Statewide opinion polling for the 2016 Republican Party presidential primaries

Source: Wikipedia, the free encyclopedia.


Key:
  Ted Cruz
3 states + 3 shared
  John Kasich
1 state
  Donald Trump
32 states + 3 shared
  3 or more candidates statistically tied for the lead
1 state
  No polling data in the past three months or three months before the election
10 states & D.C.
Note: This map reflects the latest opinion polling results, NOT the final actual result of the primaries/caucuses themselves. A map of the primaries' results is located at File:Republican Party presidential primaries results, 2016.svg.
Please note that some states have polls with margins of error that may not be reflected accurately on this map.

This article contains

2016 Republican Party presidential primaries
. The shading for each poll indicates the candidate(s) which are within one margin of error of the poll's leader.

For the significance of the earliest state votes, the

Republican Party presidential primaries, 2016 – Schedule of primaries and caucuses
.

Alabama

Winner
Donald Trump
Primary date
March 1, 2016
Poll source Date 1st 2nd 3rd Other
Primary results March 1, 2016 Donald Trump
43.42%
Ted Cruz
21.09%
Marco Rubio
18.66%
Ben Carson 10.24%, John Kasich 4.43%, Jeb Bush 0.46%, Mike Huckabee 0.30%, Rand Paul 0.22%, Chris Christie 0.10%, Rick Santorum 0.07%, Carly Fiorina 0.06%, Lindsey Graham 0.03%
SurveyMonkey[1]

Margin of error: ± ?% Sample size: 741

February 22–29, 2016 Donald Trump
47%
Ted Cruz
18%
Marco Rubio
14%
Ben Carson 9%, John Kasich 3%, Undecided 9%
Monmouth University[2]

Margin of error: ± 4.6%
Sample size: 450

February 25–28, 2016 Donald Trump
42%
Marco Rubio
19%
Ted Cruz
16%
Ben Carson 11%, John Kasich 5%, Undecided 7%
Opinion Savvy[3]

Margin of error: ± 4.6% Sample size: 460

February 25–26, 2016 Donald Trump
35.8%
Marco Rubio
23.0%
Ted Cruz
16.2%
Ben Carson 10.5%, John Kasich 7.5%, Undecided 7.0%
AL.com[4]

Margin of error: ± 4.5% Sample size: 500

December 10–13, 2015 Donald Trump
35%
Ted Cruz
15%
Marco Rubio
12%
Ben Carson 12%, Jeb Bush 4%, Mike Huckabee 4%, Chris Christie 3%, John Kasich 2%, Carly Fiorina 1%, Rand Paul <1%, Rick Santorum <1%, Lindsey Graham <1%
Gravis Marketing

Margin of error: ± 2%
Sample size: 1616

September 3, 2015 Donald Trump
38%
Ben Carson
16.7%
Jeb Bush
4.9%
Ted Cruz 4.1%, Mike Huckabee 2.7%, Marco Rubio 2.3%, Carly Fiorina 2.3%, Rand Paul 1.5%, John Kasich 1.3%, Scott Walker 1.1%, Chris Christie 0.9%, Rick Santorum 0.4%, Rick Perry 0.3%, Bobby Jindal 0.3%, Lindsey Graham 0.1%, unsure 23.2%
News-5/Strategy Research Archived 2015-08-13 at the Wayback Machine

Margin of error: ± 2%
Sample size: 3500

August 11, 2015 Donald Trump
30%
Jeb Bush
15%
Ben Carson
11%
Marco Rubio 11%, Mike Huckabee 8%, Carly Fiorina 8%, Ted Cruz 7.5%, Scott Walker 3%, Other 5%
Opinion Savvy/Insider Advantage

Margin of error: ± 4.4%
Sample size: 481

August 2–3, 2015 Donald Trump
37.6%
Ben Carson
14.6%
Jeb Bush
11.8%
Mike Huckabee 7.9%, Ted Cruz 4.5%, Scott Walker 3.8%, Chris Christie 3.2%, Marco Rubio 2.6%, Rand Paul 2.2%, Bobby Jindal 2.0%, John Kasich 1.4%, Rick Santorum 1.2%, Rick Perry 1.0%, Lindsey Graham 0.7%, Carly Fiorina 0.5%, George Pataki 0.0%, Someone else 1.9%, Undecided 3.1%
Cygnal

Margin of error: ± 3.42%
Sample size: 821

July 7–8, 2014 Jeb Bush
19.8%
Ben Carson
12.6%
Rand Paul
10.5%
Chris Christie 8.8%, Rick Perry 7.2%, Ted Cruz 5.6%, Rick Santorum 5.3%, Bobby Jindal 3.9%, Scott Walker 3.6%, Undecided 22.6%

Alaska

Winner
Ted Cruz
Primary date
March 1, 2016
Poll source Date 1st 2nd 3rd Other
Caucus results March 1, 2016 Ted Cruz
36.37%
Donald Trump
33.64%
Marco Rubio
15.16%
Ben Carson 10.83%, John Kasich 3.99%, Other 0.01%
Alaska Dispatch News/Ivan Moore Research[5]

Margin of error: –
Sample size: 651

January 23, 2016 Donald Trump
27.9%
Ted Cruz
23.8%
Ben Carson
8.5%
Jeb Bush 7.3%, Marco Rubio 6.9%, Chris Christie 3.3%, Rand Paul 3.0%, John Kasich 1.7%, Other 4.1%, Undecided 13.4%
Public Policy Polling

Margin of error: ± 5.3%
Sample size: 337

July 31 – August 3, 2014 Ted Cruz
16%
Rand Paul
15%
Mike Huckabee
14%
Chris Christie 12%, Jeb Bush 12%, Sarah Palin 11%, Scott Walker 7%, Paul Ryan 6%, Marco Rubio 5%, Someone else/Not sure 4%
Public Policy Polling

Margin of error: ± 5.5%
Sample size: 313

May 8–11, 2014 Ted Cruz
15%
Jeb Bush
14%
Chris Christie
14%
Sarah Palin 12%, Rand Paul 11%, Mike Huckabee 11%, Paul Ryan 4%, Scott Walker 4%, Marco Rubio 3%, Someone else/Not sure 11%
Chris Christie
16%
Jeb Bush
15%
Ted Cruz
15%
Rand Paul 14%, Mike Huckabee 10%, Paul Ryan 5%, Scott Walker 5%, Marco Rubio 4%, Someone else/Not sure 16%
Magellan Strategies

Margin of error: ± 7%
Sample size: 190

April 14, 2014 Ted Cruz
16%
Rand Paul
15%
Jeb Bush
13%
Mike Huckabee 12%, Chris Christie 11%, Marco Rubio 7%, Scott Walker 6%, John Kasich 1%, Undecided 19%
Public Policy Polling

Margin of error: ± 4.7%
Sample size: 442

January 30 – February 1, 2014 Rand Paul
15%
Ted Cruz
13%
Sarah Palin
13%
Jeb Bush 12%, Mike Huckabee 11%, Chris Christie 10%, Marco Rubio 6%, Paul Ryan 4%, Scott Walker 4%, Someone Else/Undecided 12%
Ted Cruz
16%
Jeb Bush
14%
Rand Paul
14%
Mike Huckabee 13%, Chris Christie 9%, Marco Rubio 8%, Paul Ryan 7%, Scott Walker 5%, Someone Else/Undecided 15%
Public Policy Polling

Margin of error: ± 4.4%
Sample size: 507

July 25–28, 2013 Rand Paul
18%
Sarah Palin
14%
Chris Christie
13%
Jeb Bush 11%, Marco Rubio 9%, Paul Ryan 9%, Ted Cruz 8%, Rick Santorum 5%, George Zimmerman 2%, Someone Else/Undecided 12%
Rand Paul
20%
Jeb Bush
15%
Chris Christie
14%
Paul Ryan 14%, Marco Rubio 10%, Ted Cruz 9%, Rick Santorum 6%, Someone Else/Undecided 12%
Public Policy Polling

Margin of error: ± 4.2%
Sample size: 537

Feb. 4–5, 2013 Marco Rubio
18%
Mike Huckabee
14%
Rand Paul
12%
Chris Christie 11%, Paul Ryan 10%, Jeb Bush 9%, Sarah Palin 9%, Bobby Jindal 6%, Rick Perry 1%, Someone Else/Undecided 10%

Arizona

Winner
Donald Trump
Primary date
March 22, 2016
Poll source Date 1st 2nd 3rd Other
Primary results March 22, 2016 Donald Trump
45.95%
Ted Cruz
27.61%
John Kasich
11.59%
Ben Carson 2.39%, Jeb Bush 0.70%, Rand Paul 0.36%, Mike Huckabee 0.21%, Carly Fiorina 0.20%, Chris Christie 0.16%, Rick Santorum 0.08%, Lindsey Graham 0.08%, George Pataki 0.05%
Opinion Savvy/Fox 10[6]

Margin of error: ± 4%
Sample size: 607

March 20, 2016 Donald Trump
45.8%
Ted Cruz
33.3%
John Kasich
17.1%
Unsure/Undecided 3.8%
Merrill/Westgroup Research[7]

Margin of error: ± 5.4%
Sample size: 300

March 7–11, 2016 Donald Trump
31%
Ted Cruz
19%
John Kasich
10%
Marco Rubio 10%, Unsure/Undecided 30%
MBQF Consulting[8]

Margin of error: ± 3.57%
Sample size: 751

March 8, 2016 Donald Trump
37.3%
Ted Cruz
23.3%
John Kasich
14.6%
Marco Rubio 11.6%, Unsure/Undecided 10.4%, Other 2.8%
MBQF Consulting[9]

Margin of error: ± 3.61%
Sample size: 736

February 22, 2016 Donald Trump
34.8%
Marco Rubio
22.7%
Ted Cruz
14.1%
Ben Carson 7.1%, Unsure/Undecided 21.3%
MBQF Consulting[10]

Margin of error: ± 3.53%
Sample size: 771

January 19, 2016 Donald Trump
38.6%
Ted Cruz
15.6%
Marco Rubio
11.4%
Ben Carson 7.1%, Jeb Bush 7.0%, Chris Christie 3.1%, Carly Fiorina 2.9%, John Kasich 2.9%, Mike Huckabee 1.4%, Rand Paul 0.4%, Unsure/undecided 10%
Behavior Research Center

Margin of error: ± 6.7%
Sample size: 226

October 24 – November 4, 2015 Ben Carson
23%
Donald Trump
21%
Marco Rubio
15%
Jeb Bush 8%, Ted Cruz 5%, All others (Christie, Fiorina, Huckabee, Paul, Kasich) 6%, Not sure yet 22%
Silver Bullet LLC

Margin of error: ± 3.77%
Sample size: 677

August 3, 2015 Donald Trump
33%
Jeb Bush
17%
Scott Walker
13%
Ben Carson 10%, Ted Cruz 5%, John Kasich 5%, Marco Rubio 4%, Mike Huckabee 2%, Chris Christie 1%, Carly Fiorina 1%, Rand Paul 1%, Rick Perry 0%, Lindsey Graham 0%, Bobby Jindal 0%, George Pataki 0%, Jim Gilmore 0%, Undecided/Refused 7%
MBQF Consulting

Margin of error: ± 3.56
Sample size: 758

July 29, 2015 Donald Trump
26.5%
Scott Walker 12.6% Jeb Bush 12.1% Ben Carson 8.7%, Ted Cruz 6%, Mike Huckabee 3.9%, Marco Rubio 3.9%, Rick Perry 2%, Rand Paul 1.7%, Chris Christie 1.7%, Undecided 21%
Public Policy Polling

Margin of error: ± 5.7%
Sample size: 300

May 1–3, 2015 Scott Walker
16%
Jeb Bush
14%
Marco Rubio
14%
Ben Carson 11%, Rand Paul 11%, Ted Cruz 9%, Chris Christie 5%, Mike Huckabee 5%, Rick Perry 2%, Undecided 12%
Public Policy Polling

Margin of error: ± 4.9%
Sample size: 403

February 28 – March 2, 2014 Ted Cruz
16%
Rand Paul
14%
Chris Christie
12%
Jeb Bush 11%, Mike Huckabee 11%, Paul Ryan 8%, Scott Walker 8%, Marco Rubio 4%, Bobby Jindal 2%, Other/Undecided 13%

Arkansas

Winner
Donald Trump
Primary date
March 1, 2016
Poll source Date 1st 2nd 3rd Other
Primary results March 1, 2016 Donald Trump
32.79%
Ted Cruz
30.50%
Marco Rubio
24.80%
Ben Carson 5.72%, John Kasich 3.72%, Mike Huckabee 1.17%, Jeb Bush 0.58%, Rand Paul 0.28%, Chris Christie 0.15%, Carly Fiorina 0.10%, Rick Santorum 0.07%, Lindsey Graham 0.06%, Bobby Jindal 0.04%
SurveyMonkey[1]

Margin of error: ± ?% Sample size: 542

February 22–29, 2016 Donald Trump
34%
Ted Cruz
27%
Marco Rubio
20%
Ben Carson 8%, John Kasich 4%, Undecided 6%
Talk Business/Hendrix[11]

Margin of error: ± ?% Sample size: 457

February 4, 2016 Ted Cruz
27%
Marco Rubio
23%
Donald Trump
23%
Ben Carson 11%, Carly Fiorina 4%, John Kasich 4%, Jeb Bush 1%, Chris Christie 1%, Don't Know 6%
Opinion Savvy/Insider Advantage

Margin of error: ± 4.7%
Sample size: 428

August 2, 2015 Donald Trump
25.5%
Mike Huckabee
21.4%
Jeb Bush
9.2%
Ted Cruz 8.7%, Ben Carson 8.2%, Scott Walker 4.2%, Rand Paul 3.8%, John Kasich 3.1%, Marco Rubio 2.9%, Chris Christie 2.4%, Rick Perry 1.5%, Carly Fiorina 1.3%, Bobby Jindal 1.3%, Lindsey Graham 0.7%, Rick Santorum 0.3%, George Pataki 0%, Someone else 2.2%, Undecided 3.2%
Suffolk University Archived 2014-09-25 at the Wayback Machine

Margin of error: ± 7.5%
Sample size: 171

September 20–23, 2014 Mike Huckabee
39.27%
Rick Perry
8.38%
Ted Cruz
7.33%
Rand Paul 6.28%, Jeb Bush 4.71%, Chris Christie 4.71%, Marco Rubio 4.71%, Paul Ryan 3.14%, Bobby Jindal 2.62%, Rick Santorum 2.09%, Jon Huntsman Jr. 1.57%, Scott Walker 1.57%, John Kasich 1.05%, Other 2.09%, Undecided 10.47%
Mitt Romney
32.75%
Mike Huckabee
29.24%
Ted Cruz
6.43%
Rick Perry 6.43%, Chris Christie 2.92%, Rand Paul 2.92%, Paul Ryan 2.34%, Jon Huntsman Jr. 1.75%, Marco Rubio 1.75%, Jeb Bush 1.17%, Rick Santorum 0.58%, Scott Walker 0.58%, Bobby Jindal 0%, John Kasich 0% Undecided 11.11%
Public Policy Polling

Margin of error: ± 4.5%
Sample size: 479

August 1–3, 2014 Mike Huckabee
33%
Ted Cruz
12%
Jeb Bush
10%
Chris Christie 8%, Rand Paul 7%, Scott Walker 6%, Bobby Jindal 5%, Marco Rubio 4%, Paul Ryan 3%, Someone else/Not sure 11%
Public Policy Polling

Margin of error: ± 5.4%
Sample size: 342

April 25–27, 2014 Mike Huckabee
38%
Ted Cruz
14%
Rand Paul
13%
Jeb Bush 10%, Chris Christie 4%, Bobby Jindal 3%, Marco Rubio 3%, Paul Ryan 3%, Cliven Bundy 2%, Someone else/Not sure 10%
Magellan Strategies

Margin of error: ± 3.35%
Sample size: 857

April 14–15, 2014 Mike Huckabee
57%
Rand Paul
9%
Jeb Bush
8%
Chris Christie 6%, Ted Cruz 6%, Marco Rubio 5%, John Kasich 2%, Scott Walker 1%, Undecided 7%

California

Winner
Donald Trump
Primary date
June 7, 2016
Poll source Date 1st 2nd 3rd Other
Primary results June 7, 2016 Donald Trump
75.01%
John Kasich
11.41%
Ted Cruz
9.30%
Ben Carson 3.55%, Jim Gilmore 0.72%
Hoover/Golden State Poll [12]

Margin of error: ± %
Sample size: 380

May 4–16, 2016 Donald Trump 66% Ted Cruz
11%
John Kasich
7%
SurveyUSA/KABC/SCNG [13]

Margin of error: ± 4.3%
Sample size: 529

April 27–30, 2016 Donald Trump 54% Ted Cruz
20%
John Kasich
16%
Fox News[14]

Margin of error: ± 4.0%
Sample size: 583

April 18–21, 2016 Donald Trump 49% Ted Cruz
22%
John Kasich
20%
Undecided 7%, None 1%
CBS News/YouGov[15]

Margin of error: ± 4.8%
Sample size: 1012

April 13–15, 2016 Donald Trump 49% Ted Cruz
31%
John Kasich
16%
Undecided 4%
Sextant Strategies & Research/Capitol Weekly[16]

Margin of error: ± %
Sample size: 1165

April 11–14, 2016 Donald Trump 41% Ted Cruz
23%
John Kasich
21%
Undecided 15%
Field[17]

Margin of error: ± 4.0%
Sample size: 558

March 24–April 4, 2016 Donald Trump 39% Ted Cruz
32%
John Kasich
18%
Other/Undecided 11%
SurveyUSA[18]

Margin of error: ± 5.3%
Sample size: 356

March 30–April 3, 2016 Donald Trump 40% Ted Cruz
32%
John Kasich
17%
Undecided 12%
USC/Los Angeles Times[19]

Margin of error: ± 5.5%
Sample size: 391

March 16–23, 2016 Donald Trump 36% Ted Cruz
35%
John Kasich
14%
Public Policy Institute of California[20]

Margin of error: ± 7.3%
Sample size: 321

March 6–15, 2016 Donald Trump 38% Ted Cruz
27%
John Kasich
14%
Other 11%, Don't Know 9%
Nson[21]

Margin of error: ± 4.9%
Sample size: 407

March 9–10, 2016 Donald Trump 38% Ted Cruz
22%
John Kasich
20%
Marco Rubio 10%, Other/Undecided 10%
Smith Johnson Research[22]

Margin of error: ± 4%
Sample size: 454

March 7–9, 2016 Donald Trump 24.9% Ted Cruz
19.6%
Marco Rubio
17.6%
John Kasich 15.4%, Undecided 22.5%
Field[23]

Margin of error: ± 5.6%
Sample size: 325

December 16, 2015–
January 3, 2016
Ted Cruz
25%
Donald Trump
23%
Marco Rubio 13% Ben Carson 9%, Rand Paul 6%, Jeb Bush 4%, Carly Fiorina 3%, Chris Christie 3%, John Kasich 1%, Other/Undecided 13%
USC/LA Times/SurveyMonkey

Margin of error: ± 3.0%
Sample size: 674

October 29 – November 3, 2015 Donald Trump
20%
Ben Carson
19%
Marco Rubio 14% Ted Cruz 11%, Carly Fiorina 6%, Jeb Bush 4%, Rand Paul 3%, Chris Christie 2%, Mike Huckabee 1%, Lindsey Graham 1%, John Kasich 1%, Rick Santorum 1%, George Pataki 0%, Bobby Jindal 0%, Undecided 14%
Field Poll

Margin of error: ± 7.0%
Sample size: 214

September 17 – October 4, 2015 Donald Trump
17%
Ben Carson
15%
Carly Fiorina 13% Marco Rubio 10%, Jeb Bush 8%, Ted Cruz 6%, Rand Paul 5%, Mike Huckabee 3%, Chris Christie 2%, John Kasich 2%, Rick Santorum 1%, George Pataki 1%, Lindsey Graham 1%, Bobby Jindal 0%, Others 3%, undecided 13%
LA Times/USC

Margin of error: ± 5.3%
Sample size: 422

Aug 29 – Sep 8, 2015 Donald Trump
24%
Ben Carson
18%
Ted Cruz 6% Jeb Bush 6%, Marco Rubio 5%, Carly Fiorina 5%, Mike Huckabee 2%, Scott Walker 2%, John Kasich 2%, Rand Paul 2%, Chris Christie 1%, Rick Santorum 1%, Rick Perry 1%, Others 3%, undecided 20%
Field Poll

Margin of error: ± 7.0%
Sample size: 227

April 23 – May 16, 2015 Jeb Bush
11%
Marco Rubio
11%
Scott Walker
10%
Rand Paul 8%, Mike Huckabee 6%, Chris Christie 6%, Ben Carson 5%, Ted Cruz 4%, Carly Fiorina 3%, Bobby Jindal 1%, John Kasich 1%, Lindsey Graham 1%, Rick Perry 0%, Other 2%, Undecided 31%
Emerson College Archived 2016-11-07 at the Wayback Machine

Margin of error: ± ?
Sample size: 358

April 2–8, 2015 Jeb Bush
17%
Scott Walker
17%
Ben Carson
15%
Ted Cruz 11%, Rand Paul 8%, Mike Huckabee 6%, Chris Christie 5%, Undecided 20%
Field Poll

Margin of error: ± 5.4%
Sample size: 237

January 26 – February 16, 2015 Scott Walker
18%
Jeb Bush
16%
Rand Paul
10%
Ben Carson 8%, Marco Rubio 7%, Ted Cruz 5%, Mike Huckabee 5%, Rick Perry 4%, Chris Christie 3%, Lindsey Graham 1%, Bobby Jindal 1%, Other 3%, Undecided 19%

Colorado

Winner
Ted Cruz
Primary date
June 7, 2016
Poll source Date 1st 2nd 3rd Other
Quinnipiac University Archived 2015-11-22 at the Wayback Machine

Margin of error: ± 4.5%
Sample size: 474

November 11–15, 2015 Ben Carson
25%
Marco Rubio
19%
Donald Trump
17%
Ted Cruz 14%, Carly Fiorina 5%, Rand Paul 3%, Jeb Bush 2%, Chris Christie 1%, John Kasich 1%, Mike Huckabee 1%, Bobby Jindal 1%, Lindsey Graham 0%, Rick Santorum 0%, George Pataki 0%, Jim Gilmore 0%, DK/NA 11%
Suffolk University Archived 2015-01-25 at the Wayback Machine

Margin of error: ± ?%
Sample size: 205

September 2014 Rand Paul
12.25%
Paul Ryan
10.29%
Chris Christie/Mike Huckabee
8.33%
Scott Walker 7.84%, Marco Rubio 7.35%, Jeb Bush 6.37%, Bobby Jindal 5.88%, Ted Cruz 5.39%, Rick Perry 5.39%, Rick Santorum 2.45%, John Huntsman 1.47%, John Kasich 0.49%, Refused 0.49%, Other 1.96%
Magellan Strategies

Margin of error: ± 6%
Sample size: 270

April 14–15, 2014 Rand Paul
17%
Mike Huckabee
16%
Ted Cruz
14%
Chris Christie 12%, Marco Rubio 10%, Jeb Bush 9%, Scott Walker 8%, John Kasich 2%, Undecided 12%
Public Policy Polling

Margin of error: ± 6.1%
Sample size: 255

March 13–16, 2014 Ted Cruz
17%
Mike Huckabee
15%
Chris Christie
14%
Rand Paul 10%, Paul Ryan 10%, Jeb Bush 8%, Marco Rubio 8%, Scott Walker 5%, Bobby Jindal 2%, Other/Undecided 11%
Public Policy Polling

Margin of error: ± 5.2%
Sample size: 355

December 3–4, 2013 Ted Cruz
18%
Chris Christie
17%
Rand Paul
16%
Marco Rubio 10%, Paul Ryan 9%, Jeb Bush 8%, Scott Walker 6%, Bobby Jindal 3%, Rick Santorum 2%, Other/Undecided 11%

Connecticut

Winner
Donald Trump
Primary date
April 26, 2016
Poll source Date 1st 2nd 3rd Other
Primary results April 26, 2016 Donald Trump
57.87%
John Kasich
28.36%
Ted Cruz
11.71%
Ben Carson 0.81%
Gravis Marketing[24]

Margin of error: ± 3.0%
Sample size: 964

April 23–24, 2016 Donald Trump 54% John Kasich
27%
Ted Cruz
9%
Undecided 10%
Public Policy Polling[25]

Margin of error: ± 4.3%
Sample size: 512

April 22–24, 2016 Donald Trump 59% John Kasich
25%
Ted Cruz
13%
Undecided 3%
Quinnipiac University[26]

Margin of error: ± 3.4%
Sample size: 823

April 12–18, 2016 Donald Trump
48%
John Kasich
28%
Ted Cruz
19%
Undecided 5%
Emerson College[27]

Margin of error: ± 5.2%
Sample size: 354

April 10 – 11, 2016 Donald Trump
50%
John Kasich
26%
Ted Cruz
17%
Undecided 6%, Other 2%
Emerson College

Margin of error: ± 4.6%
Sample size: 445

November 13–16, 2015 Donald Trump
24.7%
Marco Rubio
14.3%
John Kasich
10.4%
Jeb Bush 10.1%, Ben Carson 9.1%, Rand Paul 6.2%, Ted Cruz 6.1%, Carly Fiorina 3.6%, Chris Christie 2.4%, Mike Huckabee 0.4%, George Pataki 0.2%, Lindsey Graham 0.2%, Other 1.6%, Undecided 10.9%
Quinnipiac University

Margin of error: ± 4.6%
Sample size: 464

October 7–11, 2015 Donald Trump
34%
Ben Carson
14%
Carly Fiorina
11%
Marco Rubio 7%, Jeb Bush 6%, Ted Cruz 6%, Chris Christie 4%, John Kasich 4%, George Pataki 1%, Rand Paul 1%, Jim Gilmore 0%, Lindsey Graham 0%, Mike Huckabee 0%, Bobby Jindal 0%, Rick Santorum 0%, Someone else 1%, Wouldn't vote 1%, DK/NA 9%
Quinnipiac University

Margin of error: ± 4.6%
Sample size: 459

March 6–9, 2015 Jeb Bush
18%
Scott Walker
18%
Rand Paul
12%
Chris Christie 11%, Ben Carson 7%, Ted Cruz 5%, Marco Rubio 4%, Mike Huckabee 3%, Bobby Jindal 2%, Rick Perry 2%, Lindsey Graham 0%, John Kasich 0%, Rick Santorum 0%, Other 3%, Wouldn't vote 3%, Undecided 12%

Delaware

Winner
Donald Trump
Primary date
April 26, 2016
Poll source Date 1st 2nd 3rd Other
Primary results April 26, 2016 Donald Trump
60.77%
John Kasich
20.35%
Ted Cruz
15.90%
Marco Rubio 0.89%, Jeb Bush 0.83%
Gravis Marketing[28]

Margin of error: ± 3.0%
Sample size: 1,038

April 17–18, 2016 Donald Trump
55%
John Kasich
18%
Ted Cruz
15%
Unsure 12%

District of Columbia

Winner
Marco Rubio
Primary date
March 12, 2016
Poll source Date 1st 2nd 3rd Other
Convention results March 12, 2016 Marco Rubio
37.30%
John Kasich
35.54%
Donald Trump
13.77%
Ted Cruz 12.36%, Jeb Bush 0.49, Rand Paul 0.42%, Ben Carson 0.11%

Florida

Winner
Donald Trump
Primary date
March 15, 2016
Poll source Date 1st 2nd 3rd Other
Primary results March 15, 2016 Donald Trump
45.72%
Marco Rubio
27.04%
Ted Cruz
17.14%
John Kasich 6.77%, Jeb Bush 1.84%, Ben Carson 0.90%, Rand Paul 0.19%, Mike Huckabee 0.11%, Chris Christie 0.11%, Carly Fiorina 0.08%, Rick Santorum 0.05%, Lindsey Graham 0.03%, Jim Gilmore 0.01%
Opinion Savvy/Fox 13/
Florida Times-Union/
Fox 35[29]

Margin of error: ± 3.5% Sample size: 787

March 13, 2016 Donald Trump
44.3%
Marco Rubio
26.2%
Ted Cruz
18.2%
John Kasich 9.7%, Undecided 1.6%
Trafalgar Group[30]

Margin of error: ± 2.58% Sample size: 1500

March 12–13, 2016 Donald Trump
43.94%
Marco Rubio
24.46%
Ted Cruz
19.56%
John Kasich 8.57%, Undecided 3.47%
ARG[31]

Margin of error: ± 5% Sample size: 400

March 11–13, 2016 Donald Trump
49%
Marco Rubio
24%
Ted Cruz
16%
John Kasich 8%, Undecided 3%
Monmouth University[32]

Margin of error: ± 4.9% Sample size: 405

March 11–13, 2016 Donald Trump
44%
Marco Rubio
27%
Ted Cruz
17%
John Kasich 9%, Other 1%, Undecided 3%
Quinnipiac University[33]

Margin of error: ± 4% Sample size: 615

March 8–13, 2016 Donald Trump
46%
Marco Rubio
22%
Ted Cruz
14%
John Kasich 10%, Other 1%, No Preference 6%
CBS News/YouGov[34]

Margin of error: ± 4.8% Sample size: 827

March 9–11, 2016 Donald Trump
44%
Ted Cruz
24%
Marco Rubio
21%
John Kasich 9%, No Preference 2%
Florida Atlantic University[35]

Margin of error: ± 3% Sample size: 852

March 8–11, 2016 Donald Trump
44%
Marco Rubio
21%
Ted Cruz
21%
John Kasich 9%, Undecided 5%
NBC News/WSJ/Marist[36]

Margin of error: ± 4.3% Sample size: 511

March 4–10, 2016 Donald Trump
43%
Marco Rubio
22%
Ted Cruz
21%
John Kasich 9%
Opinion Savvy/Fox 13/
Florida Times-Union/
Fox 35[37]

Margin of error: ± 4% Sample size: 590

March 9, 2016 Donald Trump
42.8%
Marco Rubio
23.5%
Ted Cruz
20.9%
John Kasich 10.4%, Undecided 2.5%
Trafalgar Group[38]

Margin of error: ± 2.83% Sample size: 1280

March 8–9, 2016 Donald Trump
41.87%
Marco Rubio
23.10%
Ted Cruz
21.43%
John Kasich 10.94%, Undecided 2.67%
Suffolk University/Boston Globe[39]

Margin of error: ± 4.4% Sample size: 500

March 7–9, 2016 Donald Trump
35.6%
Marco Rubio
26.6%
Ted Cruz
19.2%
John Kasich 9.8%, Undecided 7.6%, Other 1.2%
The Ledger/10 News WTSP[40]

Margin of error: ± 3.8% Sample size: 700

March 7–9, 2016 Donald Trump
36%
Marco Rubio
30%
Ted Cruz
17%
John Kasich 8%
Public Policy Polling[41]

Margin of error: ± 3.3% Sample size: 904

March 7–8, 2016 Donald Trump
42%
Marco Rubio
32%
Ted Cruz
14%
John Kasich 8%, Undecided 5%
Fox News[42]

Margin of error: ± 3.5% Sample size: 813

March 5–8, 2016 Donald Trump
43%
Marco Rubio
20%
Ted Cruz
16%
John Kasich 10%, Undecided 6%, Other 5%
University of North Florida[43]

Margin of error: ± 3.57% Sample size: 752

March 2–7, 2016 Donald Trump
35.5%
Marco Rubio
23.8%
Ted Cruz
15.5%
John Kasich 8.8%, Undecided 14.3%, Other 2.6%
Quinnipiac University[44]

Margin of error: ± 3.8% Sample size: 657

March 2–7, 2016 Donald Trump
45%
Marco Rubio
22%
Ted Cruz
18%
John Kasich 8%, Undecided 6%, Other 1%
SurveyUSA/Bay News 9/News 13[45]

Margin of error: ± 3.3% Sample size: 937

March 4–6, 2016 Donald Trump
42%
Marco Rubio
22%
Ted Cruz
17%
John Kasich 10%, Undecided 5%, Other 3%
Monmouth University[46]

Margin of error: ± 4.9% Sample size: 403

March 3–6, 2016 Donald Trump
38%
Marco Rubio
30%
Ted Cruz
17%
John Kasich 10%, Ben Carson 1%, Undecided 5%
CNN/ORC[47]

Margin of error: ± 5.5% Sample size: 313

March 2–6, 2016 Donald Trump
40%
Marco Rubio
24%
Ted Cruz
19%
John Kasich 5%
Univision/Washington Post[48]

Margin of error: ± 5% Sample size: 450

March 2–5, 2016 Donald Trump
38%
Marco Rubio
31%
Ted Cruz
19%
John Kasich 4%, Don't Know 6%, Other 1%
Our Principles PAC[49][50]

Margin of error: ± 3.5% Sample size: 800

February 29 – March 2, 2016 Donald Trump
35.4%
Marco Rubio
30.3%
Ted Cruz
15.5%
John Kasich 8.5%, Ben Carson 4.6%, Undecided 5.6%
Public Policy Polling[51]

Margin of error: ± 4.6% Sample size: 464

February 24–25, 2016 Donald Trump
45%
Marco Rubio
25%
Ted Cruz
10%
John Kasich 8%, Ben Carson 5%, Undecided 7%
Associated Industries of Florida[52]

Margin of error: ± 4% Sample size: 600

February 23–24, 2016 Donald Trump
34%
Marco Rubio
27%
Ted Cruz
17%
John Kasich 5%, Ben Carson 5%, Undecided 12%
Quinnipiac
University[53]

Margin of error: ± 3.7% Sample size: 705

February 21–24, 2016 Donald Trump
44%
Marco Rubio
28%
Ted Cruz
12%
John Kasich 7%, Ben Carson 4%, Someone else 1%, DK/NA 5%
Florida Southern
College Center[54]

Margin of error: ± ?% Sample size: 268

January 30-
February 6, 2016
Donald Trump
27.41%
Marco Rubio
20.43%
Ted Cruz
12.35%
Ben Carson 6.04%, Jeb Bush 3.71%, John Kasich 1.61%, Mike Huckabee 0.79%, Chris Christie 0.34%, others 1.17%, Don't Care 25.47%
CBS/YouGov[55]

Margin of error: ± 4.6% Sample size: 988

January 18–21, 2016 Donald Trump
41%
Ted Cruz
22%
Marco Rubio
18%
Ben Carson 5%, Jeb Bush 4%, John Kasich 2%, Chris Christie 2%, Rand Paul 1%, all others 0%, no preference 1%
Florida Atlantic University[56]

Margin of error: ± 4.9% Sample size: 386

January 15–18, 2016 Donald Trump
47.6%
Ted Cruz
16.3%
Marco Rubio
11.1%
Jeb Bush 9.5%, Ben Carson 3.3%, Rand Paul 3.1%, Chris Christie 2.6%, Mike Huckabee 2.6%, John Kasich 2.1%, Carly Fiorina 0.5%, Jim Gilmore 0.2%, Others 0.1%, Undecided 1.1%
Opinion Savvy/Fox 13/Florida Times-Union[57]

Margin of error: ± 3.3% Sample size: 838

January 17, 2016 Donald Trump
31%
Ted Cruz
19%
Jeb Bush
13%
Marco Rubio 12%, Ben Carson 7%, Chris Christie 4%, Carly Fiorina 4%, John Kasich 3%, Rand Paul 3%, Mike Huckabee 2%, Rick Santorum 0%, Undecided 2%
Associated Industries of Florida

Margin of error: ± 3.5%
Sample size: 800

December 16–17, 2015 Donald Trump 29% Ted Cruz 18% Marco Rubio 17% Jeb Bush 10%, Ben Carson 6%, Other 8%, Undecided 12%
Opinion Savvy/Fox 13/Florida Times-Union

Margin of error: ± 4.1%
Sample size: 555

December 16, 2015 Donald Trump 29.7% Ted Cruz 20.4% Marco Rubio 15% Jeb Bush 12.5%, Ben Carson 7.7%, Chris Christie 6.1%, Carly Fiorina 2.7%, Rand Paul 2.6%, John Kasich 0.9%, George Pataki 0.1%, Rick Santorum 0.1%, Undecided 2.2%
St. Pete Polls

Margin of error: ± 1.5%
Sample size: 2,694

December 14–15, 2015 Donald Trump 36% Ted Cruz 22% Marco Rubio 17% Jeb Bush 9%, Ben Carson 6%, Chris Christie 3%, John Kasich 2%, Carly Fiorina 1%, Rand Paul 1%, Unsure or someone else 4%
St. Leo University


Sample size: 404

November 29 – December 3, 2015 Donald Trump 30.6% Marco Rubio 15.0% Jeb Bush 14.3% Ben Carson 10.9%, Ted Cruz 10.2%, Rand Paul 5.9%, Chris Christie 4.1%, Carly Fiorina 2.7%, John Kasich 2.0%, Mike Huckabee 1.4%, Rick Santorum 0.7%, Others 0.7%, Undecided 1.4%
Florida Atlantic University

Margin of error: ± 5.2%
Sample size: 355

November 15–16, 2015 Donald Trump 35.9% Marco Rubio 18.4% Ben Carson 14.5% Ted Cruz 10%, Jeb Bush 8.9%, Rand Paul 4.1%, John Kasich 3%, Carly Fiorina 2.4%, Mike Huckabee 0.4%, Lindsey Graham 0.4%, Chris Christie 0.1%, Others 0.3%, Undecided 1.9%
Florida Times-Union

Margin of error: ± 3.4%
Sample size: 806

November 11, 2015 Donald Trump 22.7% Ben Carson 22.3% Marco Rubio 17.9% Ted Cruz 12.4%, Jeb Bush 10.9%, Carly Fiorina 4.7%, Chris Christie 2.9%, John Kasich 2.8%, Rand Paul 1%, Mike Huckabee 1%, Bobby Jindal 0.4%, Rick Santorum 0.1%, George Pataki 0%, Lindsey Graham 0%, Undecided 1%
SurveyUSA

Margin of error: ± 3.3%
Sample size: 922

October 28 – November 1, 2015 Donald Trump 37% Ben Carson 17% Marco Rubio 16% Ted Cruz 10%, Jeb Bush 7%, Carly Fiorina 3%, John Kasich 3% Mike Huckabee 1% other 1%, unsure 3%
Viewpoint Florida

Margin of error: ± 2.2%
Sample size: 2047

October 29–30, 2015 Donald Trump 26.81% Marco Rubio 16.28% Ben Carson 15.07% Ted Cruz 12.41%, Jeb Bush 12.07%, Carly Fiorina 4.40%, other 4.67%, unsure 8.29%
Saint Leo University Polling Institute

Margin of error: ± 7.0%
Sample size: 163

October 17–22, 2015 Donald Trump 25.8% Marco Rubio 21.5% Jeb Bush 15.3% Ben Carson 14.7%
UNF

Margin of error: ± 3.87%
Sample size: 627

October 8–13, 2015 Donald Trump 21.7% Ben Carson 19.3% Marco Rubio 14.9% Jeb Bush 9%, Ted Cruz 6.8%, Carly Fiorina 6.5%, John Kasich 3.5%, Mike Huckabee 1.4%, Chris Christie 1.3%, Rand Paul <1%, George Pataki <1%, Rick Santorum <1%, Lindsey Graham <1%, Bobby Jindal <1%, Someone else 1.5%, DK 8%, NA 4.1%
Quinnipiac University Archived 2015-11-05 at the Wayback Machine

Margin of error: ± 4.6%
Sample size: 461

September 25 – October 5, 2015 Donald Trump 28% Ben Carson 16% Marco Rubio 14% Jeb Bush 12%, Carly Fiorina 7%, Ted Cruz 6%, Rand Paul 2%, John Kasich 2%, Chris Christie 2%, Mike Huckabee 1%, Jim Gilmore 0%, George Pataki 0%, Rick Santorum 0%, Lindsey Graham 0%, Bobby Jindal 0%, Would not vote 1%, Someone else 0%, DK/NA 10%
FL Chamber

Margin of error: ± 4%
Sample size: ?

September 16–20, 2015 Donald Trump 25% Marco Rubio 14% Jeb Bush 13% Carly Fiorina 11%, Ben Carson 9%, Ted Cruz 6%
Florida Atlantic Univ.

Margin of error: ± 5.2%
Sample size: 352

September 17–20, 2015 Donald Trump 31.5% Marco Rubio 19.2% Jeb Bush 11.3% Ben Carson 10.3%, Carly Fiorina 8.3%, Ted Cruz 5.8%, Chris Christie 4.1%, Rand Paul 3.2%, Scott Walker 2%, John Kasich 1.7%, Mike Huckabee 1.4%, Undecided 1.1%
Public Policy Polling

Margin of error: ± 5.0%
Sample size: 377

September 11–13, 2015 Donald Trump 28% Ben Carson 17% Jeb Bush 13% Marco Rubio 10%, Ted Cruz 9%, Carly Fiorina 7%, John Kasich 5%, Mike Huckabee 3%, Chris Christie 2%, Scott Walker 2%, Bobby Jindal 1%, Rick Santorum 1%, Rand Paul 0%, Lindsey Graham 0%, Jim Gilmore 0%, Undecided 1%
Opinion Savvy

Margin of error: ± 4.3%
Sample size: 498

September 2, 2015 Donald Trump 28.9% Ben Carson 24.5% Jeb Bush 18.6% Marco Rubio 5.6%, Carly Fiorina 5%, John Kasich 2.6%, Ted Cruz 2.5%, Chris Christie 2.4%, Mike Huckabee 2.4%, Scott Walker 1.2%, Bobby Jindal 0.7%, Rand Paul 0.4%, Lindsey Graham 0.3% Rick Santorum 0.1%, Rick Perry 0%, Someone Else 1.4%, undecided 3.5%
Quinnipiac University Archived 2015-08-20 at the Wayback Machine

Margin of error: ± 4.5%
Sample size: 477

August 7–18, 2015 Donald Trump 21% Jeb Bush 17% Ben Carson 11% Marco Rubio 11%, Ted Cruz 7%, Carly Fiorina 7%, Mike Huckabee 4%, Scott Walker 4%, Rand Paul 4%, John Kasich 3%, Bobby Jindal 1%, Chris Christie 1%, Rick Perry 0%, Lindsey Graham 0%, Wouldn't vote 1%, Don't know 8%
Opinion Savvy/Insider Advantage

Margin of error: ± 4.1%
Sample size: 547

August 3, 2015 Donald Trump 26.6% Jeb Bush 26.2% Ben Carson 8.3% Ted Cruz 8.2%, Marco Rubio 6.5%, Scott Walker 5.8%, Mike Huckabee 4.2%, John Kasich 3.1%, Bobby Jindal 2.4%, Carly Fiorina 1.8%, Rand Paul 1.8%, Chris Christie 1.2%, Rick Perry 0.7%, George Pataki 0.3%, Lindsey Graham 0%, Someone else 1.3%, Undecided 1.5%
St. Pete

Margin of error: ± 2.2%
Sample size: 1,902

July 18–28, 2015 Donald Trump
26.1%
Jeb Bush 20% Scott Walker 12.2% Marco Rubio 9.7%, Ben Carson 4.5%, Ted Cruz 4.2%, John Kasich 4.1%, Rand Paul 3.3%, Someone else/Unsure 15.9%
Mason-Dixon

Margin of error: ± 4.5%
Sample size: 500

July 20–23, 2015 Jeb Bush
28%
Marco Rubio 16% Scott Walker 13% Donald Trump 11%, Mike Huckabee 5%, Ted Cruz 4%, Rand Paul 3%, John Kasich 3%, Carly Fiorina 2%, Ben Carson 1%, Bobby Jindal 1%, Rick Santorum 0%, Rick Perry 0%, Chris Christie 0%, Lindsey Graham 0%, George Pataki 0%, Undecided 13%
Gravis Marketing

Margin of error: ± 3.0%
Sample size: 729

June 16–20, 2015 Jeb Bush
27.5%
Marco Rubio
23%
Rand Paul
8.8%
Scott Walker 8.7%, Carly Fiorina 6.2%, Ted Cruz 5.2%, Mike Huckabee 4.5%, Bobby Jindal 2.4%, Lindsey Graham 0.3%, Rick Santorum 0.1%, Unsure 13.3%
Quinnipiac University Archived 2015-06-19 at the Wayback Machine

Margin of error: ± 4.8%
Sample size: 413

June 4–15, 2015 Jeb Bush
20%
Marco Rubio
18%
Scott Walker 9% Ben Carson 7%, Mike Huckabee 6%, Rand Paul 5%, Rick Perry 4%, Chris Christie 3%, Ted Cruz 3%, Donald Trump 3%, Carly Fiorina 2%, Lindsey Graham 1%, Bobby Jindal 1%, John Kasich 1%, George Pataki 1%, Rick Santorum 1%, Someone else 1%, Wouldn't vote 1%, Don't know 13%
Mason-Dixon

Margin of error: ± 5%
Sample size: 400

April 14–16, 2015 Marco Rubio
31%
Jeb Bush
30%
Ted Cruz
8%
Rand Paul 7%, Scott Walker 2%, Other 5% Undecided 17%
Quinnipiac University Archived 2015-04-04 at the Wayback Machine

Margin of error: ± 4.7%
Sample size: 428

March 17–28, 2015 Jeb Bush
24%
Scott Walker
15%
Marco Rubio
12%
Ben Carson 8%, Ted Cruz 7%, Mike Huckabee 6%, Rand Paul 4%, Rick Perry 2%, Chris Christie 1%, John Kaisch 1%, Lindsey Graham 0%, Bobby Jindal 0%, Rick Santorum 0%, Someone else 3%, Wouldn't vote 1% Undecided 15%
Marco Rubio
21%
Scott Walker
17%
Ben Carson
9%
Ted Cruz 8%, Rand Paul 7%, Mike Huckabee 6%, Chris Christie 3%, Rick Perry 3%, Lindsey Graham 1%, Bobby Jindal 1%, John Kaisch 1%, Rick Santorum 0%, Someone else 3%, Wouldn't vote 2% Undecided 20%
Jeb Bush
26%
Marco Rubio
15%
Ben Carson
10%
Ted Cruz 10%, Mike Huckabee 6%, Rand Paul 5%, Rick Perry 3%, Chris Christie 2%, Bobby Jindal 2%, John Kaisch 1%, Lindsey Graham 0%, Rick Santorum 0%, Someone else 3%, Wouldn't vote 1% Undecided 16%
Public Policy Polling

Margin of error: ± 4.8%
Sample size: 425

March 19–22, 2015 Jeb Bush
25%
Scott Walker
17%
Marco Rubio
15%
Ben Carson 12%, Mike Huckabee 7%, Ted Cruz 6%, Chris Christie 4%, Rand Paul 4%, Rick Perry 3%, Undecided 6%
Gravis Marketing

Margin of error: ± 4%
Sample size: 513

February 24–25, 2015 Jeb Bush
23%
Scott Walker
22%
Marco Rubio
11%
Mike Huckabee 10%, Ben Carson 8%, Chris Christie 6%, Rand Paul 5%, Ted Cruz 2%, Rick Perry 1%, Undecided 12%
Jeb Bush
40%
Marco Rubio
36%
Undecided 24%
Quinnipiac University Archived 2016-04-05 at the Wayback Machine

Margin of error: ± 5.3%
Sample size: 348

January 22 – February 1, 2015 Jeb Bush
30%
Marco Rubio
13%
Mike Huckabee
10%
Mitt Romney 9%, Scott Walker 8%, Ben Carson 7%, Ted Cruz 3%, Bobby Jindal 3%, Rand Paul 3%, Rick Santorum 3%, Chris Christie 2%, Rick Perry 1%, John Kasich 0%, Other 1%, Wouldn't vote 0%, Undecided 8%
Jeb Bush
32%
Marco Rubio
15%
Mike Huckabee
11%
Scott Walker 9%, Ben Carson 8%, Ted Cruz 4%, Chris Christie 3%, Bobby Jindal 3%, Rand Paul 3%, Rick Santorum 3%, Rick Perry 1%, John Kasich 0%, Other 1%, Wouldn't vote 0%, Undecided 8%
Gravis Marketing Archived 2014-12-24 at the Wayback Machine

Margin of error: ± 3%
Sample size: 811

November 19–20, 2014 Jeb Bush
33%
Marco Rubio
14%
Ted Cruz
11%
Rand Paul 11%, Chris Christie 6%, Nikki Haley 5%, Paul Ryan 5%, Rick Santorum 3%, Undecided 13%
Jeb Bush
44%
Marco Rubio
34%
Undecided 22%
Quinnipiac University

Margin of error: ± 4.6%
Sample size: 451

July 17–21, 2014 Jeb Bush
21%
Marco Rubio
18%
Ted Cruz
10%
Rand Paul 8%, Mike Huckabee 7%, Chris Christie 6%, Rick Perry 5%, Paul Ryan 2%, Scott Walker 2%, Bobby Jindal 1%, John Kasich 1%, Rick Santorum 1%, Other 2%, Wouldn't vote 4%, Undecided 13%
Public Policy Polling

Margin of error: ± 5.5%
Sample size: 315

June 6–9, 2014 Jeb Bush
30%
Marco Rubio
14%
Rand Paul
11%
Ted Cruz 9%, Chris Christie 8%, Mike Huckabee 7%, Scott Walker 7%, Paul Ryan 2%, Bobby Jindal 1%, Someone else/Not sure 10%
Marco Rubio
45%
Jeb Bush
41%
Not sure 14%
Quinnipiac University

Margin of error: ± 4.4%
Sample size: 501

April 23–28, 2014 Jeb Bush
27%
Rand Paul
14%
Marco Rubio
11%
Chris Christie 7%, Ted Cruz 6%, Mike Huckabee 6%, Paul Ryan 6%, Scott Walker 4%, Bobby Jindal 1%, Other 1%, Wouldn't vote 2%, Undecided 16%
Magellan Strategies

Margin of error: ± 3.33%
Sample size: 868

April 14–15, 2014 Jeb Bush
38%
Mike Huckabee
11%
Ted Cruz
10%
Rand Paul 10%, Marco Rubio 8%, Chris Christie 7%, Scott Walker 7%, John Kasich 3%, Undecided 6%
Quinnipiac University Archived 2014-02-02 at the Wayback Machine

Margin of error: ± 4.1%
Sample size: 586

January 22–27, 2014 Jeb Bush
25%
Marco Rubio
16%
Rand Paul
11%
Chris Christie 9%, Ted Cruz 9%, Paul Ryan 5%, Scott Walker 5%, Bobby Jindal 3%, Other 2%, Wouldn't vote 2%, Undecided 14%
Quinnipiac University Archived 2013-11-27 at the Wayback Machine

Margin of error: ± 3.8%
Sample size: 668

November 12–17, 2013 Jeb Bush
22%
Marco Rubio
18%
Chris Christie
14%
Ted Cruz 12%, Rand Paul 9%, Paul Ryan 6%, Bobby Jindal 3%, Scott Walker 2%, Other 1%, Wouldn't vote 1%, Undecided 12%
Public Policy Polling

Margin of error: ± 5.4%
Sample size: 326

March 15–18, 2013 Jeb Bush
30%
Marco Rubio
29%
Rand Paul
11%
Mike Huckabee 9%, Chris Christie 8%, Paul Ryan 4%, Bobby Jindal 2%, Rick Perry 1%, Susana Martinez 0%, Someone Else/Undecided 6%
Marco Rubio
49%
Jeb Bush
36%
Undecided 15%
Public Policy Polling

Margin of error: ± 4.7%
Sample size: 436

January 11–13, 2013 Marco Rubio
31%
Jeb Bush
26%
Mike Huckabee
11%
Chris Christie 7%, Bobby Jindal 5%, Rand Paul 5%, Paul Ryan 5%, Susana Martinez 2%, Rick Perry 2%, Someone Else/Undecided 5%

Georgia

Winner
Donald Trump
Primary date
March 1, 2016
Poll source Date 1st 2nd 3rd Other
Primary results March 1, 2016 Donald Trump
38.81%
Marco Rubio
24.45%
Ted Cruz
23.60%
Ben Carson 6.23%, John Kasich 5.69%, Jeb Bush 0.69%, Rand Paul 0.22%, Mike Huckabee 0.20%, Chris Christie 0.11%, Carly Fiorina 0.09%, Rick Santorum 0.04%, Lindsey Graham 0.03%, George Pataki 0.02%,
SurveyMonkey[1]

Margin of error: ± ?% Sample size: 1171

February 22–29, 2016 Donald Trump
39%
Ted Cruz
21%
Marco Rubio
20%
Ben Carson 9%, John Kasich 6%, Undecided 6%
Landmark/RosettaStone[58]

Margin of error: ± 2.6%
Sample size: 1400

February 28, 2016 Donald Trump
39%
Marco Rubio
20%
Ted Cruz
15%
Ben Carson 9%, John Kasich 8%, Undecided 9%
Opinion Savvy/Fox 5 Atlanta[59]

Margin of error: ± 3.7% Sample size: 710

February 27–28, 2016 Donald Trump
32.5%
Marco Rubio
23.2%
Ted Cruz
23.2%
John Kasich 10.7%, Ben Carson 6.1%, Undecided 4.3%
Trafalgar Group[60]

Margin of error: ± 3.14% Sample size: 1350

February 26–28, 2016 Donald Trump
38.6%
Marco Rubio
23.54%
Ted Cruz
20.74%
John Kasich 7.03%, Ben Carson 6.14%, Undecided 3.95%
CBS/YouGov[61]

Margin of error: ± 7% Sample size: 493

February 22–26, 2016 Donald Trump
40%
Ted Cruz
29%
Marco Rubio
22%
Ben Carson 7%, John Kasich 2%
ResearchNOW/WABE[62]

Margin of error: ± 4.1% Sample size: 400

February 22–24, 2016 Donald Trump
41%
Marco Rubio
18%
Ted Cruz
15%
Ben Carson 8%, John Kasich 7%, Undecided 10%
SurveyUSA/TEGNA[63]

Margin of error: ± 3.8% Sample size: 684

February 22–23, 2016 Donald Trump
45%
Marco Rubio
19%
Ted Cruz
16%
Ben Carson 8%, John Kasich 6%, Other 1%, Undecided 5%
Opinion Savvy/Fox 5 Atlanta[64]

Margin of error: ± 3.6% Sample size: 745

February 22–23, 2016 Donald Trump
33.6%
Marco Rubio
22.2%
Ted Cruz
20.4%
John Kasich 8.9%, Ben Carson 7.7%, Undecided 7.2%
NBC News/Wall Street
Journal/Marist[65]

Margin of error: ± 4.2%
Sample size: 543

February 18–23, 2016 Donald Trump
30%
Ted Cruz
23%
Marco Rubio
23%
Ben Carson 9%, John Kasich 9%
Landmark/RosettaStone[66]

Margin of error: ± 4.4%
Sample size: 500

February 21, 2016 Donald Trump
31.7%
Marco Rubio
22.7%
Ted Cruz
18.7%
Ben Carson 8.1%, John Kasich 7.9%, Undecided 10.9%
Landmark/RosettaStone[67]

Margin of error: ± 4.4%
Sample size: 500

February 4, 2016 Donald Trump
27.3%
Ted Cruz
18.3%
Marco Rubio
18.2%
Ben Carson 7.7%, John Kasich 4.4%, Chris Christie 3.9%, Jeb Bush 3.0%, Carly Fiorina 1.8%, Undecided 15.4%
CBS/YouGov[68]

Margin of error: ± 6.2%
Sample size: 494

January 18–21, 2016 Donald Trump
39%
Ted Cruz
29%
Marco Rubio
13%
Ben Carson 6%, Jeb Bush 2%, Chris Christie 2%, Carly Fiorina 2%, Mike Huckabee 2%, John Kasich 2%, Jim Gilmore 0%, Rand Paul 0%, Rick Santorum 0%, No preference 1%
Opinion Savvy/Fox 5 Atlanta[69]

Margin of error: ± 3.4% Sample size: 803

January 17, 2016 Donald Trump
33.4%
Ted Cruz
23.4%
Marco Rubio
8.2%
Ben Carson 7.3%, Jeb Bush 7.1%, John Kasich 3.8%, Chris Christie 3.7%, Carly Fiorina 3.5%, Rand Paul 3.5%, Mike Huckabee 3.2%, Rick Santorum 0.1%, Undecided 2.7%
Opinion Savvy/Fox 5 Atlanta

Margin of error: ± 4.2%
Sample size: 538

December 16, 2015 Donald Trump
34.6%
Ted Cruz 15.8% Marco Rubio 12% Ben Carson 6.4%, Jeb Bush 6%, Chris Christie 5.6%, Carly Fiorina 5.1%, John Kasich 2.3%, Rand Paul 2.1%, Lindsey Graham 1.4%, Mike Huckabee 1.4%, George Pataki 0.5%, Undecided 6.8%
WSB TV/Landmark Archived 2015-12-13 at the Wayback Machine

Margin of error: ±3.3%
Sample size: 800

December 10, 2015 Donald Trump
43.3%
Ted Cruz 16.2% Marco Rubio 10.6% Ben Carson 6.7%, Jeb Bush 4.8%, Mike Huckabee 1.9%, Carly Fiorina 1.8%, John Kasich 1.5%, Rand Paul 0.5%, Undecided 12.9%
FOX 5/Morris News

Margin of error: ±4.7%
Sample size: 674

November 9–10, 2015 Ben Carson
26%
Donald Trump
24%
Ted Cruz 14% Marco Rubio 9%, Jeb Bush 8%, Carly Fiorina 6%
WXIA-TV/SurveyUSA

Margin of error: ±2%
Sample size: 2,075

October 26, 2015 Donald Trump
35%
Ben Carson
28%
Marco Rubio 12% Ted Cruz 8%, Jeb Bush 4%, Carly Fiorina 3%, Mike Huckabee 3%, John Kasich 2%
WSB/Landmark

Margin of error: ±4%
Sample size: 600

September 23, 2015 Donald Trump
30.8%
Ben Carson
17.9%
Carly Fiorina 13.2% Marco Rubio 9.4%, Ted Cruz 7.9%, Jeb Bush 7.5%, Mike Huckabee 4.4%, John Kasich 1.9%, Rand Paul 1.1%, Undecided 5.9%
Opinion Savvy

Margin of error: ±3.8%
Sample size: 664

September 3, 2015 Donald Trump
34.2%
Ben Carson
24.8%
Jeb Bush
10.9%
Ted Cruz 6.3%, Mike Huckabee 5.1%, Carly Fiorina 4.5%, John Kasich 2.5%, Marco Rubio 2.1%, Chris Christie 2%, Scott Walker 1.9%, Rick Perry 0.1%, Rick Santorum 0.1%, Bobby Jindal 0.1%, Lindsey Graham 0.1%, Rand Paul 0%, George Pataki 0%, Someone else 1.8%, Undecided 3.5%
WSB/Landmark Archived 2015-12-31 at the Wayback Machine

Margin of error: ± 4.0%
Sample size: 600

August 5, 2015 Donald Trump
34.3%
Jeb Bush
12.0%
Scott Walker
10.4%
Mike Huckabee 8.1%, Ben Carson 8.1%, Ted Cruz 5.4%, John Kasich 4.5%, Marco Rubio 4.5%, Chris Christie 2.8%, Rand Paul 2.4%, Undecided 7.5%
5 Atlanta/Morris News Service[permanent dead link]

Margin of error: ± 4.1%
Sample size: 569

August 3, 2015 Donald Trump
30.4%
Jeb Bush
17.3%
Ben Carson
9.6%
Mike Huckabee 6.5%, Ted Cruz 5.9%, Scott Walker 5%, Rand Paul 3.4%, Chris Christie 3.2%, Marco Rubio 3% John Kasich 2.8%, Carly Fiorina 2.5% Rick Perry 2.1% Bobby Jindal 1.7%, Lindsey Graham 0.4%, George Pataki 0.2%, Rick Santorum 0.1%, Other/No opinion 5.9%
Landmark Communications/Rosetta Stone

Margin of error: ± 4.3%
Sample size: 500

May 11–12, 2015 Mike Huckabee
18.3%
Ben Carson
15.4%
Scott Walker
12.6%
Jeb Bush 10.1%, Marco Rubio 9.6%, Ted Cruz 9.3%, Rand Paul 4%, Carly Fiorina 2.6%, Chris Christie 2.2%, Rick Santorum 0.3%, Other/No opinion 15.6%
Insider Advantage Archived 2015-02-12 at the Wayback Machine

Margin of error: ± ?
Sample size: 200

February 4, 2015 Jeb Bush
21.5%
Scott Walker
17.3%
Mike Huckabee
16.4%
Ben Carson 15.5%, Rick Perry 7.2%, Rand Paul 3.9%, Marco Rubio 3.9%, Chris Christie 3%, Donald Trump 1.9%, Other/No opinion 9.5%

Hawaii

Winner
Donald Trump
Caucus date
March 8, 2016
Poll source Date 1st 2nd 3rd Other
Caucus results March 8, 2016 Donald Trump
42.4%
Ted Cruz
32.7%
Marco Rubio
13.1%
John Kasich 10.6%, Other 1.1%

Idaho

Winner
Ted Cruz
Primary date
March 8, 2016
Poll source Date 1st 2nd 3rd Other
Primary results March 8, 2016 Ted Cruz
45.42%
Donald Trump
28.11%
Marco Rubio
15.91%
John Kasich 7.43%, Ben Carson 1.75%, Jeb Bush 0.42%, Rand Paul 0.38%, Mike Huckabee 0.16%, Chris Christie 0.16%, Carly Fiorina 0.11%, Rick Santorum 0.10%, Lindsey Graham 0.03%
Dan Jones & Associates[70]

Margin of error: ± 4%
Sample size: 230

February 17–26, 2016 Donald Trump
30%
Ted Cruz
19%
Marco Rubio
16%
Ben Carson 11%, John Kasich 5%, Others 9%, Don't Know 11%
Dan Jones & Associates[71]

Margin of error: ± 3.93%
Sample size: 621

January 21–31, 2016 Donald Trump
31%
Ted Cruz
19%
Ben Carson
13%
Marco Rubio 11%, Others 20%, Don't Know 6%
Dan Jones & Associates[72]

Margin of error: ± 3.99%
Sample size: 604

December 17–29, 2015 Donald Trump
30%
Ben Carson
19%
Ted Cruz
16%
Marco Rubio 10%, Don't Know 10%
Dan Jones & Associates[73]

Margin of error: ± 4.35%
Sample size: 508

August 20–31, 2015 Donald Trump
28%
Ben Carson
15%
Ted Cruz
7%
Jeb Bush 7%, Marco Rubio 6%, Rand Paul 5%, Don't Know 17%
Dan Jones & Associates

Margin of error: ± ?%
Sample size: ?

Published August 9, 2015 Donald Trump
19%
Jeb Bush
10%
all others <10% Don't know 24%
Idaho Politics Weekly

Margin of error: ± ?%
Sample size: ?

June 17, 2015 – July 1, 2015 Jeb Bush
15%
Donald Trump
12%
Rand Paul
10%
Ben Carson 8%, Marco Rubio 7%, Mike Huckabee 5%, Someone else 13%, Don't know 23%

Illinois

Winner
Donald Trump
Primary date
March 15, 2016
Poll source Date 1st 2nd 3rd Other
Primary results March 15, 2016 Donald Trump
38.80%
Ted Cruz
30.23%
John Kasich
19.74%
Marco Rubio 8.74%, Ben Carson 0.79%, Jeb Bush 0.77%, Rand Paul 0.33%, Chris Christie 0.24%, Mike Huckabee 0.19%, Carly Fiorina 0.11%, Rick Santorum 0.08%
CBS News/YouGov[34]

Margin of error: ± 4.4% Sample size: 770

March 9–11, 2016 Donald Trump
38%
Ted Cruz
34%
John Kasich
16%
Marco Rubio 11%, No Preference 1%
NBC News/WSJ/Marist[36]

Margin of error: ± 4.8% Sample size: 421

March 4–10, 2016 Donald Trump
34%
Ted Cruz
25%
John Kasich
21%
Marco Rubio 16%
WeAskAmerica[74]

Margin of error: ± 3.09%
Sample size: 1009

March 7–8, 2016 Donald Trump
32.64%
Ted Cruz
19.9%
John Kasich
18.41%
Marco Rubio 11.34%, Other 1.49%, Undecided 16.22%
Chicago Tribune[75]

Margin of error: ± 4.1%
Sample size: 600

March 2–6, 2016 Donald Trump
32%
Ted Cruz
22%
Marco Rubio
21%
John Kasich 18%, Undecided 7%
WeAskAmerica[76]

Margin of error: ± 3%
Sample size: 1311

February 24, 2016 Donald Trump
38.44%
Marco Rubio
21.21%
Ted Cruz
15.87%
John Kasich 9.31%, Other 4.73%, Undecided 10.45%
Paul Simon Public
Policy Institute[77]

Margin of error: ± 5.6%
Sample size: 306

February 15–20, 2016 Donald Trump
28%
Ted Cruz
15%
Marco Rubio
14%
John Kasich 13%, Jeb Bush 8%, Ben Carson 6%, Other 1%, Undecided 15%
Compass Consulting

Margin of error: ± 2.5%
Sample size: 2,104

December 16, 2015 Donald Trump
30%
Ted Cruz
15%
Marco Rubio
13%
Jeb Bush 7%, Ben Carson 6%, Chris Christie 6%, John Kasich 3%, Carly Fiorina 2%, Rand Paul 2%, Other 2%, Undecided 11%
Victory Research

Margin of error: ± 3.46%
Sample size: 801

August 16–18, 2015 Donald Trump
23.3%
Jeb Bush
16.5%
Scott Walker
11%
Ben Carson 5.5%, Marco Rubio 5%, Carly Fiorina 4.6%, Other 16.2%, Undecided 17.9%
Public Policy Polling

Margin of error: ± 5.1%
Sample size: 369

July 20–21, 2015 Scott Walker
23%
Donald Trump
18%
Jeb Bush
11%
Chris Christie 8%, Ben Carson 7%, Marco Rubio 6%, Rand Paul 5%, Mike Huckabee 5%, Ted Cruz 4%, Carly Fiorina 3%, Rick Santorum 2%, Bobby Jindal 2%, Rick Perry 1%, John Kasich 1%, Lindsey Graham 1%, Undecided 3%
Public Policy Polling

Margin of error: ± 5.1%
Sample size: 375

November 22–25, 2013 Chris Christie
18%
Ted Cruz
13%
Jeb Bush
12%
Rand Paul 10%, Paul Ryan 9%, Scott Walker 7%, Marco Rubio 6%, Bobby Jindal 4%, Rick Santorum 4%, Other/Undecided 16%

Indiana

Winner
Donald Trump
Primary date
May 3, 2016
Poll source Date 1st 2nd 3rd Other
Primary results May 3, 2016 Donald Trump
53.25%
Ted Cruz
36.64%
John Kasich
7.57%
Ben Carson 0.80%, Jeb Bush 0.59%, Marco Rubio 0.47%, Rand Paul 0.39%, Chris Christie 0.16%, Carly Fiorina 0.13%
Gravis Marketing[78]

Margin of error: ± 5.0%
Sample size: 379

April 28–29, 2016 Donald Trump
44%
Ted Cruz
27%
John Kasich
9%
Undecided 19%
ARG[79]

Margin of error: ± 4.0%
Sample size: 400

April 27–28, 2016 Donald Trump
41%
Ted Cruz
32%
John Kasich
21%
Undecided 6%
NBC News/Wall Street Journal/Marist[80]

Margin of error: ± 3.9%
Sample size: 645

April 26–28, 2016 Donald Trump
49%
Ted Cruz
34%
John Kasich
13%
Undecided 4%
IPFW[81]

Margin of error: ± 4.9%
Sample size: 400

April 13–27, 2016 Ted Cruz
45%
Donald Trump
29%
John Kasich
13%
Undecided 13%
Clout Research[82]

Margin of error: ±4.75%
Sample size: 423

April 27, 2016 Donald Trump 37.1% Ted Cruz
35.2%
John Kasich
16.3%
Undecided 11.4%
CBS News/YouGov[83]

Margin of error: ± 6.6%
Sample size: 548

April 20–22, 2016 Donald Trump 40% Ted Cruz
35%
John Kasich
20%
Undecided 5%
Fox News[84]

Margin of error: ± 4%
Sample size: 602

April 18–21, 2016 Donald Trump
41%
Ted Cruz
33%
John Kasich
16%
Undecided 7%, None 2%
POS/Howey Politics Indiana/WTHR Channel[85]

Margin of error: ± 4.3%
Sample size: 507

April 18–21, 2016 Donald Trump
37%
Ted Cruz
31%
John Kasich
22%
Undecided 7%, Other 2%
Bellwether

Margin of error: ± 3.5%
Sample size: 670

December 2–9, 2015 Donald Trump
26%
Ted Cruz
17%
Marco Rubio
17%
Ben Carson 16%, Jeb Bush 6%, Rand Paul 5%, Chris Christie 3%, Carly Fiorina 3%, Rick Santorum 1%, Mike Huckabee 1%, John Kasich 1%

Iowa

Winner
Ted Cruz
Caucus date
February 1, 2016
Poll source Date 1st 2nd 3rd Other
Caucus results February 1, 2016 Ted Cruz
27.64%
Donald Trump
24.30%
Marco Rubio
23.12%
Ben Carson 9.30%, Rand Paul 4.54%, Jeb Bush 2.80%, Carly Fiorina 1.86%, John Kasich 1.86%, Mike Huckabee 1.79%, Chris Christie 1.76%, Rick Santorum 0.95%, Jim Gilmore 0.01%, Other 0.06%
Emerson College[86]

Margin of error: ± 5.6%
Sample size: 298

January 29–31, 2016 Donald Trump
27.3%
Ted Cruz
25.6%
Marco Rubio
21.6%
Mike Huckabee 4.7%, Jeb Bush 3.8%, John Kasich 3.8%, Rand Paul 3.4%, Ben Carson 3.4%, Chris Christie 3.2%, Carly Fiorina 1.7%, Rick Santorum 0.5%, Undecided 1%
Quinnipiac University[87]

Margin of error: ± 3.3% Sample size: 890

January 25–31, 2016 Donald Trump
31%
Ted Cruz
24%
Marco Rubio
17%
Ben Carson 8%, Jeb Bush 4%, Rand Paul 4%, Mike Huckabee 3%, Carly Fiorina 2%, John Kasich 2%, Chris Christie 1%, Rick Santorum 1%, Jim Gilmore 0%, Not decided 3%
Opinion Savvy[88]

Margin of error: ± 3.2%
Sample size: 887

January 29–30, 2016 Donald Trump
20.1%
Ted Cruz
19.4%
Marco Rubio
18.6%
Ben Carson 9.0%, Rand Paul 8.6%, Jeb Bush 4.9%, Mike Huckabee 4.4%, John Kasich 4.0%, Carly Fiorina 3.8%, Chris Christie 3.0%, Rick Santorum 2.1%, Undecided 2.2%
Des Moines Register/
Bloomberg/Selzer[89]

Margin of error: ± 3.5% Sample size: 602

January 26–29, 2016 Donald Trump
28%
Ted Cruz
23%
Marco Rubio
15%
Ben Carson 10%, Rand Paul 5%, Chris Christie 3%, Jeb Bush 2%, Mike Huckabee 2%, Carly Fiorina 2%, John Kasich 2%, Rick Santorum 2%, Jim Gimore 0%, Undecided 2%, Uncommitted 3%
Public Policy Polling[90]

Margin of error: ± 3.5% Sample size: 780

January 26–27, 2016 Donald Trump
31%
Ted Cruz
23%
Marco Rubio
14%
Ben Carson 9%, Jeb Bush 4%, Mike Huckabee 4%, Rand Paul 4%, Carly Fiorina 3%, John Kasich 2%, Chris Christie 2%, Rick Santorum 1%, Jim Gimore 1%, Undecided 2%
NBC/WSJ/Marist[91]

Margin of error: ± 4.8% Sample size: 415

January 24–26, 2016 Donald Trump
32%
Ted Cruz
25%
Marco Rubio
18%
Ben Carson 8%, Jeb Bush 4%, Carly Fiorina 2%, John Kasich 2%, Rand Paul 2%, Chris Christie 2%, Mike Huckabee 2%, Other 0%, Undecided 3%
Monmouth University[92]

Margin of error: ± 4.4%
Sample size: 500

January 23–26, 2016 Donald Trump
30%
Ted Cruz
23%
Marco Rubio
16%
Ben Carson 10%, Jeb Bush 4%, Rand Paul 3%, John Kasich 3%, Mike Huckabee 3%, Chris Christie 2%, Carly Fiorina 2%, Rick Santorum 1%, Jim Gilmore 0%, Other 0%, Undecided 3%
ARG[93]

Margin of error: ± 5.0%
Sample size: 400

January 21–24, 2016 Donald Trump
33%
Ted Cruz
26%
Marco Rubio
11%
Ben Carson 7%, Chris Christie 4%, Rand Paul 4%, Jeb Bush 3%, John Kasich 3%, Mike Huckabee 2%, Rick Santorum 1%, Carly Fiorina 1%, Jim Gilmore 0%, Other 1%, Undecided 5%
Quinnipiac University[94]

Margin of error: ± 3.8% Sample size: 651

January 18–24, 2016 Donald Trump
31%
Ted Cruz
29%
Marco Rubio
13%
Ben Carson 7%, Rand Paul 5%, Jeb Bush 4%, Chris Christie 3%, Mike Huckabee 2%, Carly Fiorina 1%, John Kasich 1%, Jim Gilmore 0%, Rick Santorum 0%, Not decided 2%
ISU/WHO-HD[95]

Margin of error: ± ?%
Sample size: 283

January 5–22, 2016 Ted Cruz
25.8%
Donald Trump
18.9%
Ben Carson
13.4%
Marco Rubio 12.3%, Rand Paul 6.9%, Jeb Bush 3.8%, Mike Huckabee 3.7%, Carly Fiorina 1.1%, Rick Santorum <1%, Chris Christie <1%, John Kasich <1%
Fox News[96]

Margin of error: ± 5.0%
Sample size: 378

January 18–21, 2016 Donald Trump
34%
Ted Cruz
23%
Marco Rubio
12%
Ben Carson 7%, Rand Paul 6%, Chris Christie 4%, Jeb Bush 4%, John Kasich 2%, Mike Huckabee 2%, Rick Santorum 2%, Carly Fiorina 1%, Other 1%, Don't Know 2%
CBS/YouGov[97]

Margin of error: ± 5.9%
Sample size: 492

January 18–21, 2016 Donald Trump
39%
Ted Cruz
34%
Marco Rubio
13%
Ben Carson 5%, Rand Paul 3%, Chris Christie 2%, Jeb Bush 1%, John Kasich 1%, Carly Fiorina 1%, Mike Huckabee 0%, Jim Gilmore 0%, No Preference 0%
Emerson College[98]

Margin of error: ± 5.9%
Sample size: 271

January 18–20, 2016 Donald Trump
33.1%
Ted Cruz
22.8%
Marco Rubio
14.2%
Ben Carson 9.1%, Chris Christie 5.4%, Jeb Bush 5.1%, John Kasich 2.9%, Rand Paul 2.7%, Carly Fiorina 2.1%, Mike Huckabee 1.7%, Undecided 1%
CNN/ORC[99]

Margin of error: ± 6.0%
Sample size: 266

January 15–20, 2016 Donald Trump
37%
Ted Cruz
26%
Marco Rubio
14%
Ben Carson 6%, Jeb Bush 3%, Mike Huckabee 3%, Rand Paul 2%, Carly Fiorina 1%, Rick Santorum 1%, Chris Christie 1%, John Kasich 1%
Monmouth College/KBUR/Douglas Fulmer & Associates[100]

Margin of error: ± 3.7%
Sample size: 687

January 18–19, 2016 Ted Cruz
27%
Donald Trump
25%
Ben Carson
11%
Marco Rubio 9%, Jeb Bush 7%, Chris Christie 4%, Mike Huckabee 4%, Rand Paul 3%, John Kasich 3%, Carly Fiorina 3%, Rick Santorum 1%, Jim Gilmore 1%, Undecided 4%
Loras College[101]

Margin of error: ± 4.4%
Sample size: 500

January 13–18, 2016 Donald Trump
26%
Ted Cruz
25%
Marco Rubio
13%
Ben Carson 8%, Jeb Bush 6%, John Kasich 4%, Chris Christie 3%, Mike Huckabee 3%, Rand Paul 3%, Carly Fiorina 2%, Rick Santorum 1%, Undecide 7%
Public Policy Polling[102]

Margin of error: ± 4.3%
Sample size: 530

January 8–10, 2016 Donald Trump
28%
Ted Cruz
26%
Marco Rubio
13%
Ben Carson 8%, Jeb Bush 6%, Chris Christie 3%, Carly Fiorina 3%, Mike Huckabee 3%, John Kasich 3%, Rand Paul 3%, Rick Santorum 2%, Jim Gilmore 0%, Undecided 2%
DM Register/Bloomberg[103]

Margin of error: ± 4.4%
Sample size: 500

January 7–10, 2016 Ted Cruz
25%
Donald Trump
22%
Marco Rubio
12%
Ben Carson 11%, Rand Paul 5%, Jeb Bush 4%, Chris Christie 3%, Mike Huckabee 3%, Carly Fiorina 2%, John Kasich 2%, Rick Santorum 1%
ARG[104]

Margin of error: ± 4.0% Sample size: 600

January 6–10, 2016 Donald Trump
29%
Ted Cruz
25%
Marco Rubio
10%
Ben Carson 8%, Chris Christie 6%, Rand Paul 4%, Jeb Bush 3%, John Kasich 3%, Mike Huckabee 2%, Rick Santorum 2%, Carly Fiorina 1%, Other 1%, Undecided 5%
Quinnipiac University[105]

Margin of error: ± 4.0% Sample size: 602

January 5–10, 2016 Donald Trump
31%
Ted Cruz
29%
Marco Rubio
15%
Ben Carson 7%, Chris Christie 4%, Jeb Bush 3%, Mike Huckabee 3%, Rand Paul 2%, John Kasich 2%, Carly Fiorina 1%, Rick Santorum 1%, Not decided 5%
Fox News[106]

Margin of error: ± 4.0% Sample size: 504

January 4–7, 2016 Ted Cruz
27%
Donald Trump
23%
Marco Rubio
15%
Ben Carson 9%, Jeb Bush 7%, Rand Paul 5%, Chris Christie 4%, Mike Huckabee 2%, Carly Fiorina 1%, John Kasich 1%, Rick Santorum 1%, Other 1%, Undecided 2%
NBC/WSJ/Marist[107]

Margin of error: ± 4.6% Sample size: 456

January 2–7, 2016 Ted Cruz
28%
Donald Trump
24%
Marco Rubio
13%
Ben Carson 11%, Rand Paul 5%, Jeb Bush 4%, Chris Christie 3%, Carly Fiorina 3%, Mike Huckabee 2%, John Kasich 2%, Other 1%, Undecided 3%
Polls in 2015
Poll source Date 1st 2nd 3rd Other
Gravis Marketing

Margin of error: ± 5.0%
Sample size: 440

December 18–21, 2015 Donald Trump
31%
Ted Cruz
31%
Marco Rubio
9%
Ben Carson 7%, Jeb Bush 4%, Mike Huckabee 4%, Carly Fiorina 3%, Chris Christie 2%, John Kasich 2%, George Pataki 1%, Lindsey Graham 1%, Rand Paul 1%, Rick Santorum 0%, Unsure 5%
CBS News/YouGov

Margin of error: ± 5.3%
Sample size: 1252

December 14–17, 2015 Ted Cruz
40%
Donald Trump
31%
Marco Rubio
12%
Ben Carson 6%, Jeb Bush 2%, Rand Paul 2%, Carly Fiorina 2%, Mike Huckabee 2%, Chris Christie 1%, John Kasich 1%, Rick Santorum 1%, Lindsey Graham 0%, Jim Gilmore 0%, George Pataki 0%, No preference 0%
Public Policy Polling

Margin of error: ± 4.3%
Sample size: 522

December 10–13, 2015 Donald Trump
28%
Ted Cruz
25%
Marco Rubio
14%
Ben Carson 10%, Jeb Bush 7%, Carly Fiorina 3%, Chris Christie 3%, Mike Huckabee 3%, Rand Paul 2%, John Kasich 2%, Rick Santorum 1%, Lindsey Graham 1%, Jim Gilmore 0%, George Pataki 0%, Undecided 1%
Quinnipiac University

Margin of error: ± 3.3%
Sample size: 874

December 4–13, 2015 Donald Trump
28%
Ted Cruz
27%
Marco Rubio
14%
Ben Carson 10%, Jeb Bush 5%, Rand Paul 4%, Carly Fiorina 3%, Chris Christie 3%, Mike Huckabee 1%, John Kasich 1%, Rick Santorum 0%, George Pataki 0%, Jim Gilmore 0%, Lindsey Graham 0%, DK 3%
Loras College

Margin of error: ± 4.4%
Sample size: 499

December 7–10, 2015 Ted Cruz
29.7%
Donald Trump
23.4%
Ben Carson
10.8%
Marco Rubio 10.6%, Jeb Bush 6.2%, Carly Fiorina 3.4%, Rand Paul 2.4%, Mike Huckabee 1.8%, John Kasich 1.0%, Rick Santorum 1.0%, Chris Christie 0.4%, Lindsey Graham 0.0%, Undecided 9.0%
Fox News

Margin of error: ± 4.5%
Sample size: 450

December 7–10, 2015 Ted Cruz
28%
Donald Trump
26%
Marco Rubio
13%
Ben Carson 10%, Jeb Bush 5%, Rand Paul 5%, Chris Christie 2%, Carly Fiorina 2%, Mike Huckabee 1%, John Kasich 1%, Rick Santorum 1%, George Pataki 1%, Jim Gilmore 0%, Lindsey Graham 0%, Uncommited 1%, Other 1%, DK 3%
DMR/Bloomberg

Margin of error: ± 4.9%
Sample size: 400

December 7–10, 2015 Ted Cruz
31%
Donald Trump
21%
Ben Carson
13%
Marco Rubio 10%, Jeb Bush 6%, Chris Christie 3%, Mike Huckabee 3%, Rand Paul 3%, John Kasich 2%, Carly Fiorina 1%, Rick Santorum 1%, Jim Gilmore 0%, Lindsey Graham 0%, George Pataki 0%, Uncommited 3%, Undecided 4%
Monmouth University Archived 2015-12-10 at the Wayback Machine

Margin of error: ± 4.8%
Sample size: 425

December 3–6, 2015 Ted Cruz
24%
Donald Trump
19%
Marco Rubio
17%
Ben Carson 13%, Jeb Bush 6%, Rand Paul 4%, Carly Fiorina 3%, John Kasich 3%, Chris Christie 2%, Mike Huckabee 2%, Rick Santorum 1%, Lindsey Graham <1%, George Pataki 0%, Jim Gilmore 0%, Uncommited 1%, Undecided 4%
CNN/ORC

Margin of error: ± 4.5%
Sample size: 552

November 28-
December 6, 2015
Donald Trump
33%
Ted Cruz
20%
Ben Carson
16%
Marco Rubio 11%, Jeb Bush 4%, Carly Fiorina 3%, Rand Paul 3%, Chris Christie 2%, Mike Huckabee 2%, John Kasich 1%, Rick Santorum 1%, Lindsey Graham 0%, George Pataki 0%, Jim Gilmore 0%, No one 1%, Someone else 1%, No opinion 1%
Quinnipiac University Archived 2015-11-25 at the Wayback Machine

Margin of error: ± 4.0%
Sample size: 600

November 16–22, 2015 Donald Trump
25%
Ted Cruz
23%
Ben Carson
18%
Marco Rubio 13%, Rand Paul 5%, Jeb Bush 4%, Carly Fiorina 3%, Chris Christie 2%, Rick Santorum 2%, Mike Huckabee 2%, John Kasich 1%, George Pataki 0%, Lindsey Graham 0%, Jim Gilmore 0%, DK/NA 2%
CBS News/YouGov

Margin of error: ± 6.2%
Sample size: ?

November 15–19, 2015 Donald Trump
30%
Ted Cruz
21%
Ben Carson
19%
Marco Rubio 11%, Jeb Bush 5%, Carly Fiorina 4%, Chris Christie 2%, Rand Paul 2%, Rick Santorum 2%, Bobby Jindal 2%, John Kasich 1%, Mike Huckabee 1%, George Pataki 0%, Lindsey Graham 0%, Jim Gilmore 0%
Iowa State University/WHO-HD

Margin of error: ± ?
Sample size: 518

November 2–15, 2015 Ben Carson
27%
Marco Rubio
17%
Donald Trump
15%
Ted Cruz 9%, Jeb Bush 5%, Rand Paul 3%, Carly Fiorina 2%, Mike Huckabee 1%, John Kasich 1%, Chris Christie 0%, Rick Santorum 0%, Lindsey Graham 0%
CNN/ ORC

Margin of error: ± 4.0%
Sample size: 548

October 29 – November 4, 2015 Donald Trump
25%
Ben Carson
23%
Marco Rubio
13%
Ted Cruz 11%, Jeb Bush 5%, Carly Fiorina 4%, Bobby Jindal 4%, Chris Christie 3%, Lindsey Graham 2%, John Kasich 2%, Rand Paul 2%, Mike Huckabee 2%, Rick Santorum 0%, George Pataki 0%, Jim Gilmore 0%, No opinion 3%
Gravis Marketing/One America News Network

Margin of error: ± 5.0%
Sample size: 356

October 30 – November 2, 2015 Donald Trump
29.4%
Ben Carson
22.4%
Marco Rubio
18.0%
Ted Cruz 8.5%, Jeb Bush 6.0%, Carly Fiorina 5.2%, John Kasich 3.1%, Chris Christie 2.4%, Rand Paul 1.8%, Bobby Jindal 1.5%, Mike Huckabee 1.1%, Rick Santorum 0.4%, Lindsey Graham 0.3%
Public Policy Polling

Margin of error: ± 3.9%
Sample size: 638

October 30 – November 1, 2015 Donald Trump
22%
Ben Carson
21%
Ted Cruz
14%
Marco Rubio 10%, Bobby Jindal 6%, Mike Huckabee 6%, Jeb Bush 5%, Carly Fiorina 5%, Chris Christie 3%, Rick Santorum 2%, John Kasich 2%, Rand Paul 2%, Lindsey Graham 0%, George Pataki 0%, Jim Gilmore 0%, Undecided 1%
KBUR/Monmouth University

Margin of error: ± 3.37%
Sample size: 874

October 29–31, 2015 Ben Carson
27.5%
Donald Trump
20.4
%
Ted Cruz
15.1%
Marco Rubio 10.1%, Jeb Bush 9.0%, Carly Fiorina 4.1%, Lindsey Graham 0.2%, Mike Huckabee 1.7%, John Kasich 1.9%, Rand Paul 1.6%, Chris Christie 2.3%, Bobby Jindal 1.3%, Rick Santorum 0.7%, Jim Gilmore 0.3%, George Pataki 0%, Undecided 3.8%
Monmouth University Archived 2015-10-27 at the Wayback Machine

Margin of error: ± 4.9%
Sample size: 400

October 22–25, 2015 Ben Carson
32%
Donald Trump
18%
Ted Cruz
10%
Marco Rubio 10%, Jeb Bush 8%, Carly Fiorina 5%, Rand Paul 3%, Bobby Jindal 2%, Mike Huckabee 2%, John Kasich 2%, Rick Santorum 1%, Chris Christie 1%, Lindsey Graham 0%, George Pataki 0%, Jim Gilmore 0%, Other 0%, Uncommitted 1%, Undecided 5%
Loras College

Margin of error: ± 4.4%
Sample size: 500

October 19–22, 2015 Ben Carson
30.6%
Donald Trump
18.6%
Marco Rubio
10.0%
Jeb Bush 6.8%, Ted Cruz 6.2%, Bobby Jindal 4.6%, Carly Fiorina 2.4%, Chris Christie 1.8%, Rand Paul 1.8%, John Kasich 1.4%, Mike Huckabee 1.2%, Rick Santorum 0.8%, Lindsey Graham 0.4%, George Pataki 0%, Undecided 12.8%
CBS News/YouGov

Margin of error: ± 6.5%
Sample size: ?

October 15–22, 2015 Donald Trump
27%
Ben Carson
27%
Ted Cruz
12%
Marco Rubio 9%, Jeb Bush 6%, Carly Fiorina 3%, Rand Paul 3%, Mike Huckabee 2%, John Kasich 2%, Bobby Jindal 2%, Rick Santorum 2%, Chris Christie 1%, Lindsey Graham 0%, George Pataki 0%, Jim Gilmore 0%, No preference 3%
DMR/Bloomberg

Margin of error: ± 4.9%
Sample size: 401

October 16–21, 2015 Ben Carson
28%
Donald Trump
19%
Ted Cruz
10%
Marco Rubio 9%, Rand Paul 5%, Jeb Bush 5%, Carly Fiorina 4%, Mike Huckabee 3%, John Kasich 2%, Bobby Jindal 2%, Rick Santorum 2%, Chris Christie 1%, Lindsey Graham 0%, George Pataki 0%, Jim Gilmore 0%, Not sure 7%, Uncommitted 3%
Quinnipiac University Archived 2015-10-23 at the Wayback Machine

Margin of error: ± 4.1%
Sample size: 574

October 14–20, 2015 Ben Carson
28%
Donald Trump
20%
Marco Rubio
13%
Ted Cruz 10%, Rand Paul 6%, Carly Fiorina 5%, Jeb Bush 5%, John Kasich 3%, Bobby Jindal 3%, Mike Huckabee 2%, Chris Christie 1%, Rick Santorum 1%, Lindsey Graham 0%, George Pataki 0%, Jim Gilmore 0%, Undecided 3%
NBC/WSJ

Margin of error: ± 4.7%
Sample size: 431

October 2015 Donald Trump
24%
Ben Carson
19%
Carly Fiorina
8%
Jeb Bush 7%, Ted Cruz 6%, Marco Rubio 6%, Bobby Jindal 6%, Mike Huckabee 5%, Rand Paul 4%, Chris Christie 4%, John Kasich 3%, Rick Santorum 1%, Lindsey Graham 1%, George Pataki <1%, Jim Gilmore <1%, Undecided 7%
Gravis Marketing

Margin of error: ± 4.6%
Sample size: 454

October 2, 2015 Donald Trump
18.8%
Ben Carson
14.1%
Ted Cruz
10.6%
Carly Fiorina 9.7%, Marco Rubio 8.9%, Jeb Bush 6.9%, John Kasich 2.6%, Rand Paul 2.4%, Mike Huckabee 1.8%, Lindsey Graham 1.8%, Bobby Jindal 1.7%, Chris Christie 1.4%, Rick Santorum 1.3%, George Pataki 0.3%, Unsure 17.9%
Public Policy Polling

Margin of error: ± 4.4%
Sample size: 488

September 18–20, 2015 Donald Trump
24%
Ben Carson
17%
Carly Fiorina
13%
Ted Cruz 8%, Marco Rubio 8%, Mike Huckabee 6%, Jeb Bush 6%, Scott Walker 5%, Rand Paul 4%, Bobby Jindal 4%, John Kasich 2%, Chris Christie 1%, Rick Santorum 1%, George Pataki 0%, Jim Gilmore 0%, Lindsey Graham 0%, Undecided 3%
CBS News/YouGov

Margin of error: ± 5.7%
Sample size: 705

September 3–10, 2015 Donald Trump
29%
Ben Carson
25%
Ted Cruz
10%
Marco Rubio 6%, Scott Walker 5%, Carly Fiorina 4%, Mike Huckabee 4%, Rick Santorum 3%, Jeb Bush 3%, Bobby Jindal 2%, John Kasich 2%, Rand Paul 2%, Chris Christie 1%, Jim Gilmore 1%, Lindsey Graham 0%, George Pataki 0%, Rick Perry 0%, No preference 4%
Quinnipiac University Archived 2015-09-12 at the Wayback Machine

Margin of error: ± 3.0%
Sample size: 1038

August 27 – September 8, 2015 Donald Trump
27%
Ben Carson
21%
Ted Cruz
9%
Jeb Bush 6%, Carly Fiorina 5%, Marco Rubio 5%, John Kasich 5%, Rand Paul 4%, Mike Huckabee 4%, Scott Walker 3%, Bobby Jindal 2%, Chris Christie 1%, Rick Santorum 1%, Rick Perry 1%, Lindsey Graham 1%, George Pataki 0%, Jim Gilmore 0%, Undecided 4%
NBC News/Marist

Margin of error: ± 5.0%
Sample size: 390

August 26 – September 2, 2015 Donald Trump
29%
Ben Carson
22%
Jeb Bush
6%
Carly Fiorina 5%, Rand Paul 5%, Scott Walker 5%, Ted Cruz 4%, Marco Rubio 4%, Bobby Jindal 4%, Mike Huckabee 3%, Chris Christie 2%, John Kasich 2%, Rick Santorum 1%, Rick Perry 0%, Lindsey Graham 0%, George Pataki 0%, Jim Gilmore 0%, Undecided 8%
Gravis Marketing/One America

Margin of error: ± 4.4%
Sample size: 507

August 29–31, 2015 Donald Trump
31.7%
Ben Carson
15.8%
Ted Cruz
6.9%
Marco Rubio 5.8%, Scott Walker 5.6%, Bobby Jindal 5.2%, Carly Fiorina 4.6%, Jeb Bush 4.1%, Mike Huckabee 2.6%, Chris Christie 2.0%, John Kasich 1.4%, Rand Paul 1.3%, Rick Perry 0.9%, Rick Santorum 0.6%, Lindsey Graham 0.4%, George Pataki 0.1%, Undecided 10.9%
Monmouth University Archived 2015-09-02 at the Wayback Machine

Margin of error: ± 4.9%
Sample size: 405

August 27–30, 2015 Donald Trump
23%
Ben Carson
23%
Carly Fiorina
10%
Ted Cruz 9%, Scott Walker 7%, Jeb Bush 5%, John Kasich 4%, Marco Rubio 4%, Rand Paul 3%, Rick Santorum 2%, Bobby Jindal 1%, Chris Christie 1%, Rick Perry 1%, George Pataki 0%, Jim Gilmore 0%, Lindsey Graham 0%, Someone else 0%, Undecided 5%
Des Moines Register/Bloomberg/Selzer

Margin of error: ± 4.9%
Sample size: 400

August 23–26, 2015 Donald Trump
23%
Ben Carson
18%
Ted Cruz
8%
Scott Walker 8%, Jeb Bush 6%, Marco Rubio 6%, Carly Fiorina 5%, Mike Huckabee 4%, Rand Paul 4%, Chris Christie 2%, Bobby Jindal 2%, John Kasich 2%, Rick Perry 1%, Rick Santorum 1%, George Pataki 0%, Jim Gilmore 0%, Lindsey Graham 0%, Someone else 0%, Undecided 10%
CNN/ORC

Margin of error: ± 2%
Sample size: 2,014

August 7–11, 2015 Donald Trump
22%
Ben Carson
14%
Scott Walker
9%
Ted Cruz 8%, Carly Fiorina 7%, Mike Huckabee 7%, Jeb Bush 5%, Rand Paul 5%, Marco Rubio 5%, Chris Christie 3%, Lindsey Graham 2%, Bobby Jindal 2%, John Kasich 2%, Rick Perry 1%, Rick Santorum 1%, George Pataki 0%, Jim Gilmore 0%, Someone else 0%, No one 2%, No opinion 4%
NBC/Marist[permanent dead link]

Margin of error: ± 5.3%
Sample size: 342

July 14–21, 2015 Scott Walker
19%
Donald Trump
17%
Jeb Bush
12%
Ben Carson 8%, Mike Huckabee 7%, Rand Paul 5%, Ted Cruz 4%, Marco Rubio 4%, Rick Perry 3%, Chris Christie 2%, John Kasich 2%, Bobby Jindal 1%, Carly Fiorina 1%, Lindsey Graham 1%, Rick Santorum 0%, George Pataki 0%, Jim Gilmore 0%, Undecided 14%
Quinnipiac University Archived 2015-07-01 at the Wayback Machine

Margin of error: ± 3.8%
Sample size: 666

June 20–29, 2015 Scott Walker
18%
Ben Carson
10%
Donald Trump
10%
Ted Cruz 9%, Rand Paul 9%, Jeb Bush 8%, Marco Rubio 7%, Mike Huckabee 5%, Rick Perry 4%, Rick Santorum 4%, Carly Fiorina 3%, Bobby Jindal 3%, John Kasich 2%, Chris Christie 1%, Lindsey Graham 1%, George Pataki 0%, DK/NA 5%
Morning Consult

Margin of error: ± ?%
Sample size: 265

May 31 – June 8, 2015 Scott Walker
18%
Jeb Bush
10%
Mike Huckabee
10%
Rand Paul 10%, Marco Rubio 7%, Chris Christie 6%, Ben Carson 5%, Donald Trump 5%, Ted Cruz 4%, Carly Fiorina 2%, Don't know/No opinion/Refused 21%, Someone else 3%
Gravis Marketing

Margin of error: ± 5%
Sample size: 364

May 28–29, 2015 Scott Walker
17%
Marco Rubio
13%
Ben Carson
12%
Jeb Bush 10%, Mike Huckabee 8%, Ted Cruz 6%, Rick Santorum 6%, Carly Fiorina 5%, Chris Christie 4%, Rand Paul 4%, Unsure 15%
Des Moines Register

Margin of error: ± 4.9%
Sample size: 402

May 25–29, 2015 Scott Walker
17%
Ben Carson
10%
Rand Paul
10%
Jeb Bush 9%, Mike Huckabee 9%, Marco Rubio 6%, Rick Santorum 6%, Ted Cruz 5%, Chris Christie 4%, Donald Trump 4%, Rick Perry 3%, Carly Fiorina 2%, John Kasich 2%, Lindsey Graham 1%, Bobby Jindal 1%, Uncommitted 4%, Not sure 7%
Quinnipiac University

Margin of error: ± 3.8%
Sample size: 667

April 25 – May 4, 2015 Scott Walker
21%
Rand Paul
13%
Marco Rubio
13%
Ted Cruz 12%, Mike Huckabee 11%, Ben Carson 7%, Jeb Bush 5%, Chris Christie 3%, Rick Perry 3%, Carly Fiorina 2%, John Kasich 2%, Rick Santorum 2%, Bobby Jindal 1%, Lindsey Graham 0%, Don't know/No answer 6%
Public Policy Polling

Margin of error: ± 4.6%
Sample size: 462

April 23–26, 2015 Scott Walker
23%
Marco Rubio
13%
Jeb Bush
12%
Mike Huckabee 10%, Rand Paul 10%, Ted Cruz 8%, Ben Carson 7%, Chris Christie 5%, Rick Perry 4%, Undecided 8%
Loras College

Margin of error: ± 4.3%
Sample size: 509

April 21–23, 2015 Scott Walker
12.6%
Marco Rubio
10%
Jeb Bush
9.6%
Mike Huckabee 8.6%, Ted Cruz 6.5%, Ben Carson 6.3%, Rand Paul 6.3%, Chris Christie 5.1%, Rick Santorum 3.5%, Donald Trump 3.1%, Rick Perry 2.6%, Carly Fiorina 1%, Bobby Jindal 1%, John Kasich 1%, Lindsey Graham 0%, Undecided 22.8%
Gravis Marketing

Margin of error: ± 5%
Sample size: 388

April 13, 2015 Jeb Bush
16%
Scott Walker
13%
Marco Rubio
12%
Ben Carson 9%, Rand Paul 9%, Mike Huckabee 8%, Ted Cruz 6%, Chris Christie 5%, Carly Fiorina 3%, Rick Santorum 2%, Undecided 17%
Opinion Savvy

Margin of error: ± 4.16%
Sample size: 552

March 20, 2015 Scott Walker
29%
Ben Carson
14%
Jeb Bush
12%
Mike Huckabee 11%, Ted Cruz 7%, Chris Christie 5%, Rand Paul 5%, Marco Rubio 5%, Donald Trump 3%, Other/Undecided 10%
Quinnipiac University

Margin of error: ± 3.9%
Sample size: 623

February 16–23, 2015 Scott Walker
25%
Rand Paul
13%
Ben Carson
11%
Mike Huckabee 11%, Jeb Bush 10%, Ted Cruz 5%, Marco Rubio 4%, Chris Christie 4%, Rick Santorum 4%, Rick Perry 3%, Bobby Jindal 2%, John Kasich 0%, Unsure 9%
Gravis Marketing

Margin of error: ± 4%
Sample size: 343

February 12–13, 2015 Scott Walker
24%
Jeb Bush
10%
Rand Paul
10%
Chris Christie 9%, Mike Huckabee 7%, Marco Rubio 7%, Rick Santorum 6%, Ben Carson 5%, Ted Cruz 4%, Carly Fiorina 3%, Unsure 15%
NBC News/Marist

Margin of error: ± 5.5%
Sample size: 320

February 3–10, 2015 Mike Huckabee
17%
Jeb Bush
16%
Scott Walker
15%
Chris Christie 9%, Rand Paul 7%, Ben Carson 6%, Marco Rubio 6%, Rick Santorum 5%, Rick Perry 4%, Ted Cruz 2%, Lindsey Graham 1%, Undecided 14%
Selzer & Co.

Margin of error: ± 4.9%
Sample size: 402

January 26–29, 2015 Scott Walker
15%
Rand Paul
14%
Mitt Romney
13%
Mike Huckabee 10%, Ben Carson 9%, Jeb Bush 8%, Ted Cruz 5%, Chris Christie 4%, Rick Santorum 4%, Marco Rubio 3%, Rick Perry 3%, Bobby Jindal 2%, Carly Fiorina 1%, John Kasich 1%, Donald Trump 1%, Mike Pence 0%, Uncommitted 2%, Not sure 5%
Scott Walker
16%
Rand Paul
15%
Mike Huckabee
13%
Ben Carson 10%, Jeb Bush 9%, Chris Christie 6%, Ted Cruz 6%, Rick Santorum 5%, Marco Rubio 4%, Rick Perry 3%, Bobby Jindal 2%, Carly Fiorina 1%, John Kasich 1%, Donald Trump 1%, Mike Pence 0%, Uncommitted 3%, Not sure 5%
Loras College

Margin of error: ± 5.5%
Sample size: 316

January 21–26, 2015 Mitt Romney
13.7%
Mike Huckabee
12.5%
Ben Carson
10.5%
Jeb Bush 9.9%, Scott Walker 8.3%, Rand Paul 6.7%, Ted Cruz 5.1%, Marco Rubio 4.2%, Chris Christie 3.8%, Rick Santorum 3.8%, Rick Perry 2.9%, Bobby Jindal 1.6%, Carly Fiorina 1%, John Kasich 1%, Lindsey Graham 0.3% Undecided 14.7%
Mike Huckabee
14.4%
Jeb Bush
13.1%
Ben Carson
12.8%
Scott Walker 9.9%, Rand Paul 7%, Chris Christie 5.4%, Ted Cruz 5.4%, Marco Rubio 4.2%, Rick Santorum 3.8%, Rick Perry 3.2%, Bobby Jindal 1.6%, Carly Fiorina 1.3%, John Kasich 1.3%, Lindsey Graham 0.6% Undecided 16%
Gravis Marketing

Margin of error: ± 3%
Sample size: 404

January 5–7, 2015 Mitt Romney
21%
Jeb Bush
14%
Scott Walker
10%
Mike Huckabee 9%, Rand Paul 8%, Ted Cruz 7%, Chris Christie 5%, Paul Ryan 5%, Marco Rubio 4%, Undecided 18%
Polls in 2014
Poll source Date 1st 2nd 3rd Other
Fox News

Margin of error: ± 5%
Sample size: 329

October 28–30, 2014 Mike Huckabee
13%
Ben Carson
12%
Paul Ryan
9%
Jeb Bush 8%, Rand Paul 8%, Chris Christie 7%, Ted Cruz 7%, Rick Santorum 6%, Marco Rubio 5%, Scott Walker 5%, Rick Perry 3%, Bobby Jindal 1%, John Kasich 1%, Rob Portman 0%, Other 1%, None of the above 4%, Don't know 10%
Reuters/Ipsos

Margin of error: ± 4.0%
Sample size: 602

October 23–29, 2014 Mitt Romney
17%
Paul Ryan
13%
Chris Christie
12%
Jeb Bush 10%, Scott Walker 10%, Rand Paul 8%, Ted Cruz 7%, Marco Rubio 6%, Rick Santorum 6%, Rick Perry 5%, Wouldn't vote 7%
Selzer & Co.

Margin of error: ± 4.8%
Sample size: 425

October 1–7, 2014 Mitt Romney
17%
Ben Carson
11%
Rand Paul
10%
Mike Huckabee 9%, Paul Ryan 8%, Ted Cruz 7%, Rick Perry 7%, Chris Christie 6%, Jeb Bush 4%, Scott Walker 4%, Rick Santorum 3%, Marco Rubio 2%, Bobby Jindal 1%, John Kasich 1%, Mike Pence 0%, Rob Portman 0%, Uncommitted 1%, Not sure 9%
CNN/ORC

Margin of error: ± 5.5%
Sample size: 310

September 8–10, 2014 Mike Huckabee
21%
Paul Ryan
12%
Rand Paul
7%
Jeb Bush 6%, Chris Christie 6%, Rick Perry 5%, Marco Rubio 5%, Scott Walker 5%, Ted Cruz 4%, Bobby Jindal 4%, Rick Santorum 3%
Suffolk University Archived 2014-09-03 at the Wayback Machine

Margin of error: ± 6.83%
Sample size: 206

August 23–26, 2014 Mike Huckabee
13.11%
Chris Christie
10.68%
Rick Perry
8.74%
Jeb Bush 7.28%, Rand Paul 6.8%, Paul Ryan 6.31%, Rick Santorum 5.83%, Marco Rubio 5.34%, Ted Cruz 4.85%, Scott Walker 4.37%, Bobby Jindal 2.91%, Jon Huntsman Jr. 0.97%, John Kasich 0.97%, Other 4.37%, Undecided 16.99%, Refused 0.49%
Mitt Romney
35.29%
Mike Huckabee
8.82%
Chris Christie
6.47%
Rick Santorum 5.88%, Ted Cruz 5.29%, Rand Paul 5.29%, Jeb Bush 4.71, Rick Perry 4.71%, Paul Ryan 4.12%, Scott Walker 3.53%, Marco Rubio 2.35%, Bobby Jindal 1.76%, Jon Huntsman Jr. 1.18%, John Kasich 0.59%, Undecided 10%
NBC News/Marist

Margin of error: ± 4.1%
Sample size: 558

July 7–13, 2014 Jeb Bush
12%
Rand Paul
12%
Paul Ryan
11%
Rick Santorum 9%, Chris Christie 8%, Ted Cruz 7%, Rick Perry 7%, Marco Rubio 7%, Scott Walker 5%, Bobby Jindal 1%, Undecided 20%
Vox Populi Polling

Margin of error: ± 6.6%
Sample size: 222

June 4–5, 2014 Jeb Bush
18%
Mike Huckabee
15%
Paul Ryan
13%
Rand Paul 12%, Marco Rubio 11%, Rick Santorum 10%, Ted Cruz 9%, Chris Christie 6%, Scott Walker 6%
Public Policy Polling

Margin of error: ± 5.6%
Sample size: 303

May 15–19, 2014 Mike Huckabee
20%
Ted Cruz
15%
Jeb Bush
12%
Rand Paul 10%, Chris Christie 9%, Paul Ryan 8%, Scott Walker 6%, Marco Rubio 4%, Rick Santorum 3%, Someone else/Not sure 13%
The Daily Caller/Vox Populi Polling Archived 2015-09-24 at the Wayback Machine

Margin of error: ± 8.4%
Sample size: 168

April 22–24, 2014 Mike Huckabee
20%
Paul Ryan
19%
Jeb Bush
18%
Ted Cruz 9%, Marco Rubio 9%, Rand Paul 8%, Chris Christie 7%, Scott Walker 6%, Joe Scarborough 4%
Magellan Strategies

Margin of error: ± 5%
Sample size: 330

April 14–15, 2014 Jeb Bush
17%
Mike Huckabee
17%
Chris Christie
14%
Rand Paul 11%, Ted Cruz 10%, Scott Walker 8%, John Kasich 5%, Marco Rubio 2%, Undecided 16%
Loras College

Margin of error: ± 4%
Sample size: 600

April 7–8, 2014 Mike Huckabee
14.7%
Jeb Bush
10.7%
Rand Paul
8.5%
Paul Ryan 8.3%, Chris Christie 8%, Ted Cruz 6.2%, Marco Rubio 4.7%, Rick Santorum 4.7%, Scott Walker 4.7%, Rick Perry 3%, John Kasich 0.7%, Other 0.7%, Undecided 23.8%
Suffolk University Archived 2018-11-09 at the Wayback Machine

Margin of error: ± 8.7%
Sample size: 127

April 3–8, 2014 Mike Huckabee
11.02%
Jeb Bush
10.24%
Rand Paul
10.24%
Ted Cruz 9.45%, Ben Carson 8.66%, Chris Christie 7.09%, Paul Ryan 6.3%, Sarah Palin 5.51%, Condoleezza Rice 5.51%, Marco Rubio 5.51%, Rick Santorum 5.51%, Scott Walker 5.51%, Bobby Jindal 3.15%, Rick Perry 3.15%, Undecided 3.15%
WPA Research

Margin of error: ± ?
Sample size: 402

March 30, 2014 Mike Huckabee
14%
Rand Paul
10%
Scott Walker
8%
Jeb Bush 7%, Ted Cruz 7%, Paul Ryan 7%, Chris Christie 6%, Rick Santorum 5%, Rick Perry 3%, Marco Rubio 3%, Bobby Jindal 2%, Other 2%, Undecided 26%
Public Policy Polling

Margin of error: ± 5.8%
Sample size: 283

February 20–23, 2014 Mike Huckabee
17%
Rand Paul
14%
Jeb Bush
13%
Chris Christie 10%, Ted Cruz 10%, Paul Ryan 9%, Bobby Jindal 7%, Scott Walker 7%, Marco Rubio 3%, Other/Undecided 11%
Polls in 2013-2012
Poll source Date 1st 2nd 3rd Other
Cygnal

Margin of error: ± 2.37%
Sample size: 1,705

July 10–12, 2013 Marco Rubio
11.4%
Rand Paul
10.5%
Paul Ryan
9.3%
Jeb Bush 8.7%, Chris Christie 7.7%, Rick Santorum 6.7%, Ted Cruz 6.1%, Scott Walker 2.1%, Bobby Jindal 1.3%, Undecided 36.3%
Public Policy Polling

Margin of error: ± 6.2%
Sample size: 250

July 5–7, 2013 Rand Paul
18%
Chris Christie
16%
Paul Ryan
15%
Jeb Bush 14%, Marco Rubio 11%, Ted Cruz 10%, Rick Santorum 6%, Bobby Jindal 2%, Susana Martinez 1%, Other/Undecided 7%
Public Policy Polling

Margin of error: ± 5.4%
Sample size: 326

Feb. 1–3, 2013 Mike Huckabee
16%
Marco Rubio
16%
Rand Paul
15%
Jeb Bush 14%, Chris Christie 12%, Paul Ryan 10%, Susana Martinez 4%, Bobby Jindal 3%, Rick Perry 3%, Someone Else/Undecided 7%
Public Policy Polling

Margin of error: 5.1%
Sample size: 363

July 12–15, 2012 Rick Santorum
17%
Mike Huckabee
17%
Chris Christie
16%
Rand Paul 11%, Marco Rubio 10%, Jeb Bush 8%, Paul Ryan 6%, Sarah Palin 4%, Scott Walker 4%, Someone else/Not sure 8%
Public Policy Polling

Margin of error: 5.3%
Sample size: 346

May 3–5, 2012 Rick Santorum
16%
Mike Huckabee
16%
Chris Christie
15%
Jeb Bush 10%, Sarah Palin 10%, Rand Paul 9%, Marco Rubio 7%, Paul Ryan 5% Someone else/Not sure 10%

Kansas

Winner
Ted Cruz
Caucus date
March 5, 2016
Poll source Date 1st 2nd 3rd Other
Caucus results March 5, 2016 Ted Cruz
47.50%
Donald Trump
23.35%
Marco Rubio
16.83%
John Kasich 11.07%, Ben Carson 0.74%, Jeb Bush 0.11%, Carly Fiorina 0.05%
Trafalgar Group[108]

Margin of error: ± 2.96%
Sample size: 1,060

March 2–3, 2016 Donald Trump
35.18%
Ted Cruz
29.31%
Marco Rubio
16.56%
John Kasich 12.66%, Undecided 6.29%
Fort Hays State University[109]

Margin of error: ± 5.0%
Sample size: 440

February 26, 2016 Donald Trump
26%
Ted Cruz
14%
Marco Rubio
13%
John Kasich 3%, Ben Carson 3%, Other 2%, Undecided 39%
Suffolk University Archived 2014-10-02 at the Wayback Machine

Margin of error: ± ?
Sample size: 118

September 27–30, 2014 Jeb Bush
15.36%
Mike Huckabee
14.23%
Chris Christie
8.99%
Ted Cruz 7.87%, Rick Perry 6.74%, Paul Ryan 5.99%, Rand Paul 5.62%, Marco Rubio 5.62%, Scott Walker 3.75%, Rick Santorum 1.5%, Bobby Jindal 1.12%, John Kasich 0.75%, Carly Fiorina 0.37%, Other 4.12%, Undecided/Refused 17.97%
Mitt Romney
33.33%
Jeb Bush
10.5%
Mike Huckabee
10.5%
Ted Cruz 6.85%, Chris Christie 6.39%, Rick Perry 5.02%, Rand Paul 4.57%, Marco Rubio 4.11%, Paul Ryan 2.74%, Scott Walker 2.28%, Rick Santorum 1.83%, Bobby Jindal 1.37%, Carly Fiorina 0.46%, John Kasich 0.46%, Undecided/Refused 9.59%
Public Policy Polling

Margin of error: ±5.1%
Sample size: 375

February 18–20, 2014 Mike Huckabee
20%
Jeb Bush
13%
Chris Christie
13%
Ted Cruz 12%, Rand Paul 11%, Paul Ryan 7%, Marco Rubio 5%, Scott Walker 4%, Bobby Jindal 2%, Someone Else/Undecided 13%

Kentucky

Winner
Donald Trump
Caucus date
March 5, 2016
Poll source Date 1st 2nd 3rd Other
Caucus results March 5, 2016 Donald Trump
35.92%
Ted Cruz
31.57%
Marco Rubio
16.36%
John Kasich 14.42%, Ben Carson 0.85%, Rand Paul 0.38%, Jeb Bush 0.13%, Mike Huckabee 0.08%, Carly Fiorina 0.03%, Chris Christie 0.03%, Rick Santorum 0.01%
Western Kentucky University[110]

Margin of error: ± 4.3%
Sample size: 532

February 22–26, 2016 Donald Trump
35%
Marco Rubio
22%
Ted Cruz
15%
Ben Carson 7%, John Kasich 6%
Public Policy Polling

Margin of error: ± 4.8%
Sample size: 413

June 18–21, 2015 Rand Paul
19%
Jeb Bush
13%
Donald Trump
12%
Scott Walker 11%, Mike Huckabee 10%, Marco Rubio 10%, Ben Carson 7%, Ted Cruz 4%, Carly Fiorina 4%, Someone else/Not sure 9%
Courier-Journal/SurveyUSA

Margin of error: ± 4.4%
Sample size: 517

May 5–10, 2015 Rand Paul
26%
Mike Huckabee
15%
Jeb Bush
12%
Scott Walker 10%, Ben Carson 7%, Marco Rubio 6%, Ted Cruz 6%, Chris Christie 2%, Rick Perry, 2%, Rick Santorum 2%, Bobby Jindal 2%, Carly Fiorina 1%, Other 2%, Undecided 8%
Public Policy Polling

Margin of error: ± 5%
Sample size: 383

August 7–10, 2014 Rand Paul
25%
Mike Huckabee
18%
Jeb Bush
15%
Chris Christie 8%, Marco Rubio 8%, Ted Cruz 7%, Scott Walker 5%, Paul Ryan 4%, Bobby Jindal 3%, Someone else/Not sure 6%
Public Policy Polling

Margin of error: ± 4.2%
Sample size: 540

December 12–15, 2013 Rand Paul
34%
Jeb Bush
20%
Chris Christie
12%
Ted Cruz 7%, Marco Rubio 5%, Paul Ryan 5%, Bobby Jindal 3%, Rick Santorum 2%, Scott Walker 2%, Someone Else/Undecided 10%
Public Policy Polling

Margin of error: ± 5.5%
Sample size: 320

April 5–7, 2013 Rand Paul
31%
Marco Rubio
17%
Jeb Bush
13%
Chris Christie 10%, Bobby Jindal 4%, Paul Ryan 3%, Rick Perry 2%, Rick Santorum 2%, Susana Martinez 1%, Someone Else/Undecided 16%

Louisiana

Winner
Donald Trump
Primary date
March 5, 2016
Poll source Date 1st 2nd 3rd Other
Primary results March 5, 2016 Donald Trump
41.45%
Ted Cruz
37.83%
Marco Rubio
11.22%
John Kasich 6.43%, Ben Carson 1.51%, Jeb Bush 0.71%, Rand Paul 0.22%, Mike Huckabee 0.21%, Chris Christie 0.13%, Carly Fiorina 0.08%, Rick Santorum 0.06%, Lindsey Graham 0.05%
Gravis Marketing/
One America News[111]

Margin of error: ± 3%
Sample size: 1356

March 3, 2016 Donald Trump
48%
Ted Cruz
31%
Marco Rubio
15%
John Kasich 6%
University of New Orleans[112]

Margin of error: ± 2.26%
Sample size: 1874

March 2, 2016 Donald Trump
38%
Ted Cruz
26%
Marco Rubio
11%
John Kasich 5%, Don't Care 20%
Trafalgar Group[113]

Margin of error: ± 2.73%
Sample size: 1509

March 1–2, 2016 Donald Trump
44.15%
Ted Cruz
25.92%
Marco Rubio
14.84%
Ben Carson 5.72%, John Kasich 5.17%, Undecided 4.2%
Magellan Strategies[114]

Margin of error: ± 3.9%
Sample size: 609

March 1, 2016 Donald Trump
41%
Ted Cruz
21%
Marco Rubio
15%
John Kasich 9%, Ben Carson 5%
WWL-TV/Advocate

Margin of error: ± 3.46%
Sample size: 800

September 20–23, 2015 Ben Carson
23%
Donald Trump 19% Jeb Bush
10%
Marco Rubio 9%, Carly Fiorina 7%, Ted Cruz 6%, Mike Huckabee 4%, Bobby Jindal 3%, John Kasich 3%, Chris Christie 2%, Others 1%, Undecided 13%
Opinion Savvy/Insider Advantage

Margin of error: ± 4.4%
Sample size: 490

August 2, 2015 Donald Trump
28.9%
Jeb Bush
16.6%
Mike Huckabee
9.8%
Ted Cruz 9.4%, Ben Carson 8.4%, Bobby Jindal 6%, Scott Walker 4.3%, Marco Rubio 3.8% John Kasich 2.6%, Chris Christie 2.4%, Rick Perry 2.1%, Carly Fiorina 1.5%, Rand Paul 1%, Lindsey Graham 0.3%, Rick Santourm 0.1%, George Pataki 0%, Someone else 0.8%, Undecided 2.1%
Public Policy Polling

Margin of error: ± 5.6%
Sample size: 308

June 26–29, 2014 Ted Cruz
19%
Jeb Bush
17%
Mike Huckabee
17%
Bobby Jindal 12%, Rand Paul 10%, Chris Christie 6%, Marco Rubio 4%, Paul Ryan 4%, Scott Walker 3%, Other/Undecided 8%
Magellan Strategies

Margin of error: ± 6%
Sample size: 270

February 6–9, 2014 Jeb Bush
25%
Mike Huckabee
17%
Ted Cruz
13%
Rand Paul 9%, Marco Rubio 9%, Chris Christie 8%, Scott Walker 4%, John Kasich 2% Undecided 13%
Public Policy Polling

Margin of error: ± 5.6%
Sample size: 309

February 6–9, 2014 Mike Huckabee
20%
Bobby Jindal
13%
Ted Cruz
12%
Rand Paul 10%, Jeb Bush 9%, Chris Christie 8%, Paul Ryan 8%, Marco Rubio 7%, Scott Walker 2%, Someone Else/Undecided 12%
Public Policy Polling

Margin of error: ± 5.9%
Sample size: 274

Aug. 16–19, 2013 Rand Paul
18%
Jeb Bush
17%
Paul Ryan
11%
Chris Christie 10%, Bobby Jindal 10%, Ted Cruz 8%, Marco Rubio 8%, Rick Santorum 5%, Susana Martinez 0%, Someone Else/Undecided 13%
Public Policy Polling

Margin of error: ± 4%
Sample size: 603

Feb. 8–12, 2013 Marco Rubio
21%
Mike Huckabee
18%
Bobby Jindal
14%
Chris Christie 11%, Jeb Bush 9%, Rand Paul 8%, Paul Ryan 7%, Rick Perry 3%, Susana Martinez 1%, Someone Else/Undecided 7%

Maine

Winner
Ted Cruz
Caucus date
March 5, 2016
Poll source Date 1st 2nd 3rd Other
Caucus results March 5, 2016 Ted Cruz
45.90%
Donald Trump
32.59%
John Kasich
12.19%
Marco Rubio 8.01%, Ben Carson 0.71%, Rand Paul 0.30%, Jeb Bush 0.17%, Carly Fiorina 0.09%, Mike Huckabee 0.05%
Public Policy Polling

Margin of error: ±5.4%
Sample size: 331

November 8–11, 2013 Chris Christie
27%
Ted Cruz
14%
Jeb Bush
12%
Rand Paul 10%, Paul Ryan 9%, Marco Rubio 4%, Bobby Jindal 2%, Rick Santorum 1%, Scott Walker 1%, Someone Else/Undecided 20%

Maryland

Winner
Donald Trump
Primary date
April 26, 2016
Poll source Date 1st 2nd 3rd Other
Primary results April 26, 2016 Donald Trump
54.45%
John Kasich
23.03%
Ted Cruz
18.88%
Ben Carson 1.30%, Marco Rubio 0.68%, Jeb Bush 0.56%, Rand Paul 0.34%, Chris Christie 0.27%, Carly Fiorina 0.22%, Mike Huckabee 0.18%, Rick Santorum 0.10%
ARG[115]

Margin of error: ± 5%
Sample size: 400

April 21–24, 2016 Donald Trump
55%
John Kasich
21%
Ted Cruz
19%
Undecided 5%
Public Policy Polling[116]

Margin of error: ± 5.7%
Sample size: 310

April 15–17, 2016 Donald Trump
43%
John Kasich
29%
Ted Cruz
24%
Undecided 5%
Monmouth University[117]

Margin of error: ± 5.7%
Sample size: 301

April 10–11, 2016 Donald Trump
47%
John Kasich
27%
Ted Cruz
19%
Other 1%, Undecided 7%
NBC4/Marist[118]

Margin of error: ± 5.1%
Sample size: 368

April 5–9, 2016 Donald Trump
41%
Ted Cruz
29%
John Kasich
24%
Other 1%, Undecided 6%
Washington Post/University of Maryland[119]

Margin of error: ± 7.5%
Sample size: 283

March 30–April 3, 2016 Donald Trump
41%
John Kasich
31%
Ted Cruz
22%
Other 6%
Baltimore Sun/University of Baltimore[120]

Margin of error: ± 4.9%
Sample size: 400

March 4–8, 2016 Donald Trump
34%
Ted Cruz
25%
John Kasich
18%
Marco Rubio 14%, Other 1%, Undecided 9%
Gonzales Research[121]

Margin of error: ± 5.8%
Sample size: 301

January 11–16, 2016 Donald Trump
31.9%
Ted Cruz
15.0%
Marco Rubio
13.6%
Ben Carson 9.3%, Chris Christie 8.0%, Jeb Bush 4.0%, Someone else 5.6%, Undecided 12.6%
Baltimore Sun/University of Baltimore

Margin of error: ± 5.6%
Sample size: 307

November 13–17, 2015 Ben Carson
27%
Donald Trump
23%
Marco Rubio
16%
Ted Cruz 10%, John Kasich 4%, Chris Christie 3%, Carly Fiorina 3%, Jeb Bush 3%, Mike Huckabee 1%, Rand Paul 1%, Other/Unsure 9%
Baltimore Sun

Margin of error: ± 4.4%
Sample size: 499

February 8–12, 2014 Ben Carson
24%
Jeb Bush
15%
Chris Christie
14%
Rand Paul 14%, Marco Rubio 12%, Undecided/Other 21%

Massachusetts

Winner
Donald Trump
Primary date
March 1, 2016
Poll source Date 1st 2nd 3rd Other
Primary results March 1, 2016 Donald Trump
48.99%
John Kasich
17.94%
Marco Rubio
17.75%
Ted Cruz 9.50%, Ben Carson 2.57%, Jeb Bush 1.03%, Chris Christie 0.30%, Rand Paul 0.29%, Carly Fiorina 0.18%, Jim Gilmore 0.12%, Mike Huckabee 0.11%, Mike Huckabee 0.08%, George Pataki 0.08%, Rick Santorum 0.05%
Emerson College[122]

Margin of error: ± 4.8% Sample size: 408

February 26–28, 2016 Donald Trump
51%
Marco Rubio
20%
John Kasich
14%
Ted Cruz 10%, Ben Carson 1%, Undecided 1%
UMass Amherst/WBZ[123]

Margin of error: ± 6.3% Sample size: 292

February 24–26, 2016 Donald Trump
47%
Marco Rubio
15%
Ted Cruz
15%
John Kasich 11%, Ben Carson 2%, Other 7%, Don't Know 3%
Suffolk University[124]

Margin of error: ± 4.4% Sample size: 500

February 24–26, 2016 Donald Trump
42.6%
Marco Rubio
19.8%
John Kasich
17%
Ted Cruz 8.8%, Ben Carson 3.8%, Other 1%, Don't Know 7%
MassINC/WBUR[125]

Margin of error: ± 4.9% Sample size: 386

February 21–23, 2016 Donald Trump
39%
Marco Rubio
18%
John Kasich
17%
Ted Cruz 9%, Ben Carson 5%, Don't Know 12%
Emerson College[126]

Margin of error: ± 5.7% Sample size: 289

February 19–21, 2016 Donald Trump
50%
Marco Rubio
16%
John Kasich
13%
Ted Cruz 10%, Ben Carson 2%
Suffolk University

Margin of error: ± ?%
Sample size: 134

November 19–22, 2015 Donald Trump
32%
Marco Rubio
18%
Ted Cruz 10% Jeb Bush 7%, Ben Carson 5%, Carly Fiorina 4%, Chris Christie 4%, John Kasich 2%, Rand Paul 1%, Mike Huckabee 0%, Rick Santorum 0%, Lindsey Graham 0%, George Pataki 0%, Jim Gilmore 0%, Undecided 14%
Emerson College

Margin of error: ± 5.9%
Sample size: 271

October 16–18, 2015 Donald Trump
47.8%
Ben Carson
13.9%
Marco Rubio
11.8%
Jeb Bush 7.1%, Carly Fiorina 6.5%, Ted Cruz 5.1%, John Kasich 2.8%, Chris Christie 2.3%, Lindsey Graham 0.9%, Mike Huckabee 0.4%, Rand Paul 0.1%, Undecided 1.4%
Emerson College

Margin of error: ± ?
Sample size: 216

March 14–19, 2015 Jeb Bush
19%
Scott Walker
19%
Ben Carson
13%
Rand Paul 7%, Chris Christie 6%, Ted Cruz 6%, Mike Huckabee 3%, Other/Undecided 28%
Suffolk University Archived 2014-08-26 at the Wayback Machine

Margin of error: ± 4.9%
Sample size: 400

August 21–24, 2014 Chris Christie
11%
Paul Ryan
11%
Jeb Bush
10.75%
Rand Paul 10.5%, Mike Huckabee 7%, Scott Walker 6.75%, Marco Rubio 5.75%, Rick Perry 4.75%, Ted Cruz 4.25%, Bobby Jindal 3.5%, Rick Santorum 2.75%, Jon Huntsman Jr. 1.75%, John Kasich 1%, Undecided 18.25%, Other 0.5%, Refused 0.5%
Mitt Romney
48.62%
Chris Christie
7.69%
Paul Ryan
5.54%
Jeb Bush 5.23%, Ted Cruz 3.69%, Jon Huntsman Jr. 3.38%, Bobby Jindal 3.38%, Rand Paul 3.38%, Scott Walker 3.38%, Mike Huckabee 3.08%, Marco Rubio 2.77%, Rick Perry 1.54%, John Kasich 1.23%, Rick Santorum 1.23%, Undecided 4.92%, Refused 0.92%

Michigan

Winner
Donald Trump
Primary date
March 8, 2016
Poll source Date 1st 2nd 3rd Other
Primary results March 8, 2016 Donald Trump
36.55%
Ted Cruz
24.68%
John Kasich
24.26%
Marco Rubio 9.34%, Ben Carson 1.61%, Jeb Bush 0.81%, Rand Paul 0.29%, Chris Christie 0.24%, Mike Huckabee 0.20%, Rick Santorum 0.13%, Carly Fiorina 0.11%, George Pataki 0.04%, Lindsey Graham 0.03%
FOX 2 Detroit/
Mitchell Research[127]

Margin of error: ± 4.5% Sample size: 472

March 7, 2016 Donald Trump
41%
John Kasich
23%
Ted Cruz
18%
Marco Rubio 8%, Ben Carson 3%, Other 1%, Undecided 6%
FOX 2 Detroit/
Mitchell Research[128]

Margin of error: ± 3.8% Sample size: 663

March 6, 2016 Donald Trump
42%
John Kasich
19.6%
Ted Cruz
19.3%
Marco Rubio 9%, Ben Carson 4%, Other 1%, Undecided 5%
Trafalgar Group[129]

Margin of error: ± 2.42% Sample size: 1610

March 5–6, 2016 Donald Trump
40.89%
Ted Cruz
23.26%
John Kasich
23.04%
Marco Rubio 8.34%, Undecided 4.47%
Monmouth University[130]

Margin of error: ± 4.9% Sample size: 402

March 3–6, 2016 Donald Trump
36%
Ted Cruz
23%
John Kasich
21%
Marco Rubio 13%, Other 1%, Undecided 5%
ARG[131]

Margin of error: ± 5% Sample size: 400

March 4–5, 2016 John Kasich
33%
Donald Trump
31%
Ted Cruz
15%
Marco Rubio 11%, Ben Carson 6%, Other 1%, Undecided 4%
CBS News/YouGov[132]

Margin of error: ± 5.9% Sample size: 638

March 2–4, 2016 Donald Trump
39%
Ted Cruz
24%
Marco Rubio
16%
John Kasich 15%, Ben Carson 5%
NBC News/WSJ/Marist[133]

Margin of error: ± 3.3% Sample size: 877

March 1–3, 2016 Donald Trump
41%
Ted Cruz
22%
Marco Rubio
17%
John Kasich 13%, Uncommitted 2%, Other 2%, Undecided 5%
Trafalgar Group[134]

Margin of error: ± 2.42% Sample size: 1643

March 2–3, 2016 Donald Trump
41.87%
Ted Cruz
20.45%
John Kasich
18.14%
Marco Rubio 13.79%, Undecided 5.75%
Michigan State University[135]

Margin of error: ± 5.8% Sample size: 262

January 25 – March 3, 2016 Donald Trump
36.1%
Ted Cruz
19.5%
Marco Rubio
18.1%
John Kasich 8.9%, Other 7%
FOX 2 Detroit/
Mitchell Research[136]

Margin of error: ± 3.86% Sample size: 643

March 2, 2016 Donald Trump
42%
Ted Cruz
19%
Marco Rubio
15%
John Kasich 14%, Ben Carson 5%, Other 1%, Undecided 5%
FOX 2 Detroit/
Mitchell Research[137]

Margin of error: ± 3.76% Sample size: 679

March 1, 2016 Donald Trump
39%
Marco Rubio
19%
Ted Cruz
14%
John Kasich 12%, Ben Carson 9%, Other 2%, Undecided 7%
EPIC/MRA[138]

Margin of error: ± 4.9% Sample size: 400

February 27–29, 2016 Donald Trump
29%
Ted Cruz
19%
Marco Rubio
18%
John Kasich 8%, Ben Carson 8%, Undecided 18%
MRG[139]

Margin of error: ± ?% Sample size: 217

February 22–27, 2016 Donald Trump
33%
Marco Rubio
18%
Ted Cruz
18%
John Kasich 10%, Ben Carson 9%, Other/Undecided 12%
Target Insyght[140]

Margin of error: ± 5% Sample size: 400

February 22–24, 2016 Donald Trump
41%
Marco Rubio
17%
Ted Cruz
14%
John Kasich 12%, Ben Carson 8%, Undecided 6%
FOX 2 Detroit/
Mitchell Research[141]

Margin of error: ± 4.57% Sample size: 459

February 23, 2016 Donald Trump
41%
Marco Rubio
19%
Ted Cruz
16%
John Kasich 11%, Ben Carson 7%, Other 1%, Undecided 5%
ARG[142]

Margin of error: ± 5% Sample size: 400

February 19–20, 2016 Donald Trump
35%
John Kasich
17%
Ted Cruz/
Marco Rubio
12%
Ben Carson 9%, Jeb Bush 4%, Other 1%, Undecided 10%
Detroit News/WDIV-TV[143]

Margin of error: ± 4% Sample size: 600

February 14–16, 2016 Donald Trump
25.2%
Ted Cruz
15%
Marco Rubio
11.8%
John Kasich 10.5%, Ben Carson 9%, Jeb Bush 5.3%, Refused 1.9%, Undecided 21.3%
FOX 2 Detroit/
Mitchell Research[144]

Margin of error: ± 4.94% Sample size: 394

February 15, 2016 Donald Trump
41%
Ted Cruz
11%
John Kasich
11%
Marco Rubio 10%, Ben Carson 7%, Jeb Bush 5%, Undecided 14%
FOX 2 Detroit/
Mitchell Research[145]

Margin of error: ± 5.39% Sample size: 330

February 4, 2016 Donald Trump
41%
Marco Rubio
20%
Ted Cruz
16%
Ben Carson 9%, John Kasich 6%, Jeb Bush 2%, Chris Christie 2%, Someone Else 2%, Not Sure 7%
Target-Insyght/
MIRS/IMP[146]

Margin of error: ± 5% Sample size: 400

February 2–4, 2016 Donald Trump
35%
Marco Rubio
21%
Ted Cruz
21%
John Kasich 6%, Ben Carson 5%, Jeb Bush 3%, Chris Christie 3%, Carly Fiorina 3%, Undecided 4%
Mitchell Research[147]

Margin of error: ± 4.41% Sample size: 493

January 25, 2016 Donald Trump
51%
Ted Cruz
15%
Marco Rubio
12%
Ben Carson 5%, Jeb Bush 5%, Chris Christie 5%, Someone else 3%, undecided 5%
MRG

Margin of error: ± 4% Sample size: 600

September 9–14, 2015 Ben Carson
24%
Donald Trump
22%
Jeb Bush
8%
Mike Huckabee 6%, Marco Rubio 4%, Ted Cruz 3%, Carly Fiorina 3%, John Kasich 2%, Scott Walker 2%, Rand Paul 2%, Chris Christie 1%, Undecided 21%
Mitchell Poll

Margin of error: ± 5%
Sample size: 432

August 10, 2015 Donald Trump
20%
Carly Fiorina
15%
Ben Carson
12%
Jeb Bush 12%, Marco Rubio 10%, Ted Cruz 8%, John Kasich 8%, Chris Christie 4%, Mike Huckabee 4%, Scott Walker 4%, Rand Paul 2%
Public Policy Polling

Margin of error: ± 4.5%
Sample size: 465

June 25–28, 2015 Scott Walker
15%
Jeb Bush
14%
Ben Carson
14%
Donald Trump 14%, Marco Rubio 9%, Mike Huckabee 8%, Chris Christie 5%, Ted Cruz 5%, Rand Paul 4%, Carly Fiorina 3%, John Kasich 3%, Rick Santorum 2%, Lindsey Graham 1%, Rick Perry 1%, Bobby Jindal 0%, George Pataki 0%, Some else/Not sure 2%
MIRS

Margin of error: ± 6.5%
Sample size: 366

February 18–20, 2015 Scott Walker
43%
Jeb Bush
19%
Rand Paul
12%
Ben Carson 10%, Chris Christie 3%, Marco Rubio 3%, Rick Santorum 3%, Mike Huckabee 3%
Suffolk University Archived 2015-09-24 at the Wayback Machine

Margin of error: ± 7%
Sample size: 188

September 6–10, 2014 Jeb Bush
11.17%
Mike Huckabee
11.17%
Marco Rubio
9.57%
Rand Paul 6.91%, Chris Christie 6.38%, Scott Walker 6.38%, Rick Perry 6.38%, Paul Ryan 5.85%, Ted Cruz 5.32%, Rick Santorum 5.32%, Bobby Jindal 2.66%, Jon Huntsman Jr. 2.13%, John Kasich 0.53%, Undecided 17.02%, Refused 2.13%, Other 1.06%
Mitt Romney
39.47%
Jeb Bush
9.87%
Ted Cruz
6.58%
Mike Huckabee 5.26%, Marco Rubio 5.26%, Scott Walker 4.61%, Chris Christie 2.63%, Bobby Jindal 2.63%, Paul Ryan 2.63%, Rick Perry 1.97%, Jon Huntsman Jr. 1.32%, Rick Santorum 1.32%, Rand Paul 1.32%, John Kasich 0%, Undecided 13.82%, Refused 1.32%
Magellan Strategies

Margin of error: ± 6%
Sample size: 270

April 14–15, 2014 Mike Huckabee
24%
Jeb Bush
16%
Rand Paul
15%
Chris Christie 14%, Ted Cruz 7%, Marco Rubio 5%, Scott Walker 4%, John Kasich 3%, Undecided 12%
Public Policy Polling

Margin of error: ± 5.4%
Sample size: 334

April 3–6, 2014 Rand Paul
16%
Chris Christie
15%
Mike Huckabee
15%
Ted Cruz 11%, Jeb Bush 9%, Paul Ryan 5%, Scott Walker 5%, Marco Rubio 4%, Bobby Jindal 3%, Someone Else/Undecided 17%
Public Policy Polling

Margin of error: ± 4.6%
Sample size: 450

December 5–8, 2013 Rand Paul
18%
Chris Christie
16%
Ted Cruz
15%
Jeb Bush 10%, Marco Rubio 8%, Paul Ryan 7%, Scott Walker 5%, Bobby Jindal 4%, Rick Santorum 2%, Someone Else/Undecided 14%
Public Policy Polling

Margin of error: ± 5.4%
Sample size: 334

May 30 – June 2, 2013 Rand Paul
18%
Jeb Bush
16%
Chris Christie
15%
Paul Ryan 12%, Marco Rubio 11%, Ted Cruz 7%, Rick Santorum 6%, Bobby Jindal 4%, Susana Martinez 0%, Someone Else/Undecided 10%

Minnesota

Winner
Marco Rubio
Primary date
March 1, 2016
Poll source Date 1st 2nd 3rd Other
Primary results March 1, 2016 Marco Rubio
36.24%
Ted Cruz
29.04%
Donald Trump
21.42%
Ben Carson 7.37%, John Kasich 5.75%
Star Tribune/Mason-Dixon[148]

Margin of error: ± 6.5%
Sample size: ?

January 18–20, 2016 Marco Rubio
23%
Ted Cruz
21%
Donald Trump
18%
Ben Carson 11%, Jeb Bush 7%, Chris Christie 5%, Other 6%, Undecided 9%
KSTP Archived 2015-12-13 at the Wayback Machine

Margin of error: ± 4.4%
Sample size: 516

October 29 – November 2, 2015 Donald Trump
26%
Ben Carson 19% Marco Rubio 16% Jeb Bush 9%, Ted Cruz 4%, Carly Fiorina 4%, Rand Paul 3%, Mike Huckabee 2%, others 4%, undecided 13%
Public Policy Polling

Margin of error: ± 5.2%
Sample size: 353

July 30 – August 2, 2015 Scott Walker
19%
Donald Trump
18%
Jeb Bush
15%
Ben Carson 11%, Ted Cruz 7%, Mike Huckabee 6%, Rand Paul 5%, Marco Rubio 5%, Chris Christie 4%, Carly Fiorina 3%, John Kasich 3%, Bobby Jindal 1%, Rick Perry 0%, Rick Santorum 0%, Lindsey Graham 0%, George Pataki 0%, Jim Gilmore 0%, Undecided 1%
Suffolk University Archived 2015-09-24 at the Wayback Machine

Margin of error: ± 10%
Sample size: 87

April 24–28, 2014 Jeb Bush
14.94%
Rick Perry
14.94%
Chris Christie
9.20%
Ted Cruz 9.20%, Marco Rubio 8.05%, Rand Paul 5.75%, Ben Carson 4.60%, Rick Santorum 4.60%, Condoleezza Rice 3.45%, Scott Walker 3.45%, Bobby Jindal 2.30%, Sarah Palin 2.30%, Paul Ryan 2.30%, Mike Huckabee 1.15%, Undecided 13.79%

Mississippi

Winner
Donald Trump
Primary date
March 8, 2016
Poll source Date 1st 2nd 3rd Other
Primary results March 8, 2016 Donald Trump
47.24%
Ted Cruz
36.12%
John Kasich
8.84%
Marco Rubio 5.26%, Ben Carson 1.35%, Jeb Bush 0.41%, Mike Huckabee 0.26%, Rand Paul 0.15%, Rick Santorum 0.12%, Chris Christie 0.12%, Carly Fiorina 0.05%, Lindsey Graham 0.04%, George Pataki 0.03%
Magellan Strategies[149]

Margin of error: ± 3.1%
Sample size: 995

February 29, 2016 Donald Trump
41%
Ted Cruz
17%
Marco Rubio
16%
John Kasich 8%, Ben Carson 5%, Undecided 13%
Opinion Savvy/Insider Advantage

Margin of error: ± 4.6%
Sample size: 444

August 2, 2015 Donald Trump
26.9%
Jeb Bush
20.4%
Ben Carson
9.6%
Ted Cruz 8.7%, Mike Huckabee 8.7%, Scott Walker 7%, Bobby Jindal 3.5%, Marco Rubio 3%, Chris Christie 2.9%, Rand Paul 2%, Carly Fiorina 1.8%, Rick Perry 1.3%, John Kasich 1.3%, Rick Santorum 0.4%, George Pataki 0.3%, Lindsey Graham 0%, Someone else 1.1%, Undecided 1.1%
Public Policy Polling

Margin of error: ± 4.7%
Sample size: 434

July 10–13, 2014 Mike Huckabee
25%
Jeb Bush
16%
Ted Cruz
11%
Chris Christie 8%, Rand Paul 6%, Paul Ryan 6%, Marco Rubio 5%, Rick Santorum 3%, Scott Walker 2%, Other/Undecided 16%
Harper Polling

Margin of error: ± 4.1%
Sample size: 570

April 3–5, 2014 Jeb Bush
29%
Chris Christie
12%
Ted Cruz
12%
Rand Paul 11%, Bobby Jindal 8%, Marco Rubio 5%, Scott Walker 5%, Rick Santorum 2%, Undecided 17%
Harper Polling

Margin of error: ± 3.68%
Sample size: 710

December 17–18, 2013 Chris Christie
15.72%
Ted Cruz
15.58%
Rand Paul
14.45%
Paul Ryan 11.61%, Marco Rubio 10.34%, Bobby Jindal 9.49%, Rick Santorum 3.97%, Scott Walker 1.7%, Not sure 17.14%
Public Policy Polling

Margin of error: ±4.8%
Sample size: 422

November 15–17, 2013 Ted Cruz
19%
Chris Christie
17%
Jeb Bush
16%
Rand Paul 12%, Bobby Jindal 8%, Marco Rubio 8%, Rick Santorum 5%, Paul Ryan 4%, Scott Walker 1%, Someone Else/Undecided 10%

Missouri

Winner
Donald Trump
Primary date
March 15, 2016
Poll source Date 1st 2nd 3rd Other
Primary results March 15, 2016 Donald Trump
40.84%
Ted Cruz
40.63%
John Kasich
10.10%
Marco Rubio 6.09%, Ben Carson 0.88%, Jeb Bush 0.36%, Mike Huckabee 0.23%, Rand Paul 0.19%, Chris Christie 0.18%, Rick Santorum 0.08%, Carly Fiorina 0.07%
Fort Hayes State University[150]

Margin of error: ± 7%
Sample size: 208

March 3–10, 2016 Donald Trump
36%
Ted Cruz
29%
Marco Rubio
9%
John Kasich 8%, Other 1%, Undecided 17%
Remington Research Group Archived 2016-01-22 at the Wayback Machine

Margin of error: ± 2.6%
Sample size: 1,528

December 18–19, 2015 Donald Trump
33%
Ted Cruz
23%
Marco Rubio
12%
Ben Carson 8%, Jeb Bush 3%, Chris Christie 3%, Carly Fiorina 2%, Rand Paul 1%, John Kasich 1%, Undecided 14%
Public Policy Polling

Margin of error: 4.7%
Sample size: 440

August 7–8, 2015 Donald Trump
23%
Ben Carson
11%
Jeb Bush
11%
Mike Huckabee 10%, Ted Cruz 9%, Scott Walker 8%, Carly Fiorina 7%, Marco Rubio 6%, John Kasich 4%, Rand Paul 4%, Chris Christie 1%, Bobby Jindal 1%, Rick Perry 1%, Rick Santorum 1%, George Pataki 0%, Lindsey Graham 0%, Jim Gilmore 0%, Someone else/Undecided 2%

Montana

Poll source Date 1st 2nd 3rd Other
Primary results June 7, 2016 Donald Trump
73.72%
Ted Cruz
9.36%
John Kasich
6.85%
Marco Rubio 3.30%, Jeb Bush 2.08%
Gravis Marketing

Margin of error: ± 3%
Sample size: ?

February 24–25, 2015 Jeb Bush
19.8%
Mike Huckabee
18.8%
Scott Walker
18.8%
Marco Rubio 8.9%, Chris Christie 5%, Ted Cruz 4%, Rand Paul 4%, Rick Perry 3%, Ben Carson 2%, Unsure 15.8%
Public Policy Polling

Margin of error: ± 4.5%
Sample size: 469

November 15–17, 2013 Ted Cruz
20%
Chris Christie
14%
Rand Paul
14%
Jeb Bush 11%, Paul Ryan 10%, Marco Rubio 8%, Rick Santorum 4%, Bobby Jindal 3%, Scott Walker 2%, Someone Else/Undecided 14%
Public Policy Polling

Margin of error: ± 5.3%
Sample size: 340

June 21–23, 2013 Rand Paul
21%
Jeb Bush
13%
Chris Christie
12%
Ted Cruz 12%, Marco Rubio 10%, Paul Ryan 9%, Bobby Jindal 6%, Susana Martinez 3%, Rick Santorum 1%, Someone Else/Undecided 13%

Nebraska

Winner
Donald Trump
Primary date
May 10, 2016
Poll source Date 1st 2nd 3rd Other
Primary results May 10, 2016 Donald Trump
61.43%
Ted Cruz
18.45%
John Kasich
11.41%
Ben Carson 5.08%, Marco Rubio 3.63%
Harper Polling

Margin of error: ± 4%
Sample size: 565

February 3–4, 2014 Rand Paul
13.41%
Paul Ryan
12.85%
Chris Christie
12.66%
Ted Cruz 12.66%, Marco Rubio 8.38%, Scott Walker 8.38%, Bobby Jindal 5.03%, Rick Santorum 4.66%, Undecided 21.97%

Nevada

Winner
Donald Trump
Caucus date
February 23, 2016
Poll source Date 1st 2nd 3rd Other
Primary results February 23, 2016 Donald Trump
45.75%
Marco Rubio
23.77%
Ted Cruz
21.30%
Ben Carson 4.79%, John Kasich 3.59%
CNN/ORC[151]

Margin of error: ± 6.5%
Sample size: 245

February 10–15, 2016 Donald Trump
45%
Marco Rubio
19%
Ted Cruz
17%
Ben Carson 7%, John Kasich 5%, Jeb Bush 1%, Someone else 2%, No opinion 4%
Gravis Marketing

Margin of error: ± 5%
Sample size: 406

December 23–27, 2015 Donald Trump
33%
Ted Cruz
20%
Marco Rubio
11%
Ben Carson 6%, Carly Fiorina 5%, Jeb Bush 5%, Chris Christie 5%, Rand Paul 1%, Rick Santorum 1%, John Kasich 0%, Mike Huckabee 0%, Unsure 12%
Morning Consult

Margin of error: ± 4%
Sample size: 249

November 10–16, 2015 Donald Trump
38%
Ben Carson
18%
Marco Rubio
12%
Ted Cruz 7%, Jeb Bush 6%, Carly Fiorina 2%, Mike Huckabee 2%, Rand Paul 2%, Chris Christie 1%, John Kasich 1%, Lindsey Graham 1%, Rick Santorum 0%, Someone else 1%, Don't know/No opinion 8%
CNN/ORC[152]

Margin of error: ± 6%
Sample size: 285

October 3–10, 2015 Donald Trump
38%
Ben Carson
22%
Carly Fiorina
8%
Marco Rubio 7%, Jeb Bush 6%, Ted Cruz 4%, Mike Huckabee 4%, Rand Paul 2%, Jim Gilmore 1%, Chris Christie 1%, George Pataki 1%, John Kasich 1%, Lindsey Graham 0%, Bobby Jindal 0%, Rick Santorum 0%, None 3%, No opinion 3%
Gravis Marketing

Margin of error: ± 4%
Sample size: 623

July 12–13, 2015 Donald Trump
28%
Scott Walker
15%
Ben Carson
8%
Jeb Bush 7%, Marco Rubio 5%, Rand Paul 4%, Ted Cruz 4%, Rick Perry 3%, Bobby Jindal 2%, Mike Huckabee 2%, Chris Christie 2%, George Pataki 1%, Carly Fiorina 0%, Lindsey Graham 0%, Rick Santorum 0%, Undecided 20%
Gravis Marketing

Margin of error: ± 5%
Sample size: 443

March 27, 2015 Ted Cruz
18%
Scott Walker
18%
Jeb Bush
16%
Marco Rubio 7%, Ben Carson 6%, Rand Paul 5%, Chris Christie 4%, Mike Huckabee 4%, Rick Santorum 2%, Carly Fiorina 1%, Undecided 20%
Gravis Marketing

Margin of error: ± 5%
Sample size: 438

February 21–22, 2015 Scott Walker
27%
Jeb Bush
19%
Chris Christie
8%
Ted Cruz 6%, Mike Huckabee 6%, Rick Perry 6%, Marco Rubio 4%, Rick Santorum 4%, Rand Paul 3%, Bobby Jindal 1%, Undecided 16%

New Hampshire

New Jersey

Poll source Date 1st 2nd 3rd Other
Primary results June 7, 2016 Donald Trump
80.39%
John Kasich
13.40%
Ted Cruz
6.21%
Monmouth University[153]

Margin of error: ± 5.7%
Sample size: 301

May 1–3, 2016 Donald Trump
70%
John Kasich
15%
Ted Cruz
11%
Undecided 5%
Rutgers-Eagleton[154]

Margin of error: ± 6.9%
Sample size: 244

April 1–8, 2016 Donald Trump
52%
John Kasich
24%
Ted Cruz
18%
Someone Else 4%, Don't Know 2%
Rutgers-Eagleton[155]

Margin of error: ± 7.0%
Sample size: 227

February 6–15, 2016 Donald Trump
38%
Marco Rubio
11%
Ted Cruz
10%
John Kasich 8%, Jeb Bush 7%, Chris Christie 7%, Ben Carson 5%, Carly Fiorina 2%, Someone Else 2%, Don't Know 11%
Rutgers-Eagleton Archived 2015-12-15 at the Wayback Machine

Margin of error: ± ?
Sample size: 230

November 30 – December 6, 2015 Donald Trump
30%
Chris Christie
14%
Marco Rubio
13%
Ted Cruz 10%, Ben Carson 4%, Jeb Bush 2%, Carly Fiorina 2%, John Kasich 2%, Rand Paul 1%, Mike Huckabee 1%, Rick Santorum 1%, Lindsey Graham 0%, George Pataki 0%, Jim Gilmore 0%, Other 1%, Don't know 19%
Fairleigh Dickinson University

Margin of error: ± 5.6%
Sample size: 307

November 9–15, 2015 Donald Trump
31%
Marco Rubio
18%
Ben Carson
11%
Chris Christie 9%, Ted Cruz 6%, Jeb Bush 5%, Carly Fiorina 5%, John Kasich 2%, Rand Paul 2%, Mike Huckabee 2%, Rick Santorum 1%, Lindsey Graham 1%, George Pataki 0%, other 1%, Wouldn't vote 1%, Don't know/Refused 5%
Quinnipiac University Archived 2015-11-12 at the Wayback Machine

Margin of error: ± 4.5%
Sample size: 481

November 4–8, 2015 Donald Trump
31%
Ben Carson
16%
Marco Rubio
15%
Chris Christie 8%, Ted Cruz 7%, Carly Fiorina 4%, Jeb Bush 4%, John Kasich 3%, Bobby Jindal 1%, Rand Paul 1%, Rick Santorum 1%, Mike Huckabee 0%, Lindsey Graham 0%, Other 1%, Someone else 1%, Would not vote 2%, DK 6%
Rutgers-Eagleton Archived 2015-10-15 at the Wayback Machine

Margin of error: ± 6.8%
Sample size: 266

October 3–10, 2015 Donald Trump
32%
Ben Carson
13%
Marco Rubio
13%
Ted Cruz 6%, Chris Christie 5%, Carly Fiorina 5%, Jeb Bush 5%, John Kasich 2%, Mike Huckabee 1%, George Pataki 1%, Rick Santorum <1%, Bobby Jindal <1%, Rand Paul <1%, Other 1%, Don't know 16%
Rutgers-Eagleton Archived 2015-08-08 at the Wayback Machine

Margin of error: ± 6.8%
Sample size: 263

July 25 – August 1, 2015 Donald Trump
21%
Chris Christie
12%
Jeb Bush
10%
Scott Walker 10%, Ben Carson 5%, Marco Rubio 5%, Ted Cruz 4%, Rand Paul 2%, John Kasich 2%, Mike Huckabee 1%, Newt Gingrich 1%, Paul Ryan 1%, Carly Fiorina <1%, Lindsey Graham <1%, No one 3%, Other 2%, Don't know 19%
Fairleigh Dickinson University

Margin of error: ± 6.3%
Sample size: 267

June 15–21, 2015 Jeb Bush
18%
Chris Christie
18%
Donald Trump
11%
Scott Walker 9%, Ben Carson 6%, Marco Rubio 6%, Rand Paul 5%, Ted Cruz 3%, Carly Fiorina 3%, Mike Huckabee 3%, George Pataki 2%, Rick Perry 2%, Rick Santorum 2%, Lindsey Graham 1%, Bobby Jindal 0%, John Kasich 0%, other 2%, Wouldn't vote 2%, Don't know/Refused 10%
Fairleigh Dickinson University

Margin of error: ± 6%
Sample size: 268

April 13–19, 2015 Chris Christie
20%
Scott Walker
14%
Jeb Bush
13%
Ted Cruz 8%, Rand Paul 8%, Other 15%, Don't know 22%
Quinnipiac University

Margin of error: ± 4.7%
Sample size: 444

April 9–14, 2015 Chris Christie
22%
Scott Walker
14%
Jeb Bush
11%
Rand Paul 9%, Marco Rubio 7%, Ted Cruz 6%, Mike Huckabee 4%, Bobby Jindal 3%, Ben Carson 2%, Carly Fiorina 1% John Kasich 1%, Lindsey Graham 0%, Rick Perry 0%, Rick Santorum 0%, Other 3%, Wouldn't vote 4%, Don't know 13%
Chris Christie
23%
Scott Walker
15%
Rand Paul
11%
Marco Rubio 9%, Ted Cruz 6%, Mike Huckabee 4%, Bobby Jindal 3%, Ben Carson 2%, Carly Fiorina 1% John Kasich 1%, Rick Santorum 1%, Lindsey Graham 0%, Rick Perry 0%, Other 3%, Wouldn't vote 4%, Don't know 16%
Chris Christie
23%
Jeb Bush
12%
Marco Rubio
11%
Rand Paul 10%, Ted Cruz 8%, Mike Huckabee 4%, Bobby Jindal 3%, Ben Carson 3%, John Kasich 2%, Carly Fiorina 1% Rick Perry 1%, Lindsey Graham 0%, Rick Santorum 0%, Other 3%, Wouldn't vote 4%, Don't know 14%
Quinnipiac University

Margin of error: ± ?
Sample size: ?

January 15–19, 2015 Chris Christie
24%
Mitt Romney
18%
Jeb Bush
13%
Ben Carson 6%, Ted Cruz 6%, Rand Paul 5%, Mike Huckabee 4%, Scott Walker 4%, Marco Rubio 3%, Bobby Jindal 2%, Rick Perry 1%, John Kasich 0%, Rick Santorum 0%, Other 1%, Wouldn't vote 1%, Don't know 14%
Rutgers-Eagleton

Margin of error: ± ?
Sample size: 224

December 3–10, 2014 Chris Christie
32%
Mitt Romney
10%
Jeb Bush
6%
Rand Paul 4%, Marco Rubio 4%, Ted Cruz 3%, Ben Carson 2%, Bobby Jindal 2%, Rudy Giuliani 1%, Ron Paul 1%, Rick Perry 1%, Scott Walker 1%, Other 3%, Don't know 31%
Rutgers-Eagleton

Margin of error: ± ?
Sample size: 255

July 28 – August 5, 2014 Chris Christie
41%
Mitt Romney
6%
Jeb Bush
5%
Ted Cruz 3%, Rand Paul 2%, Scott Walker 2%, Mike Huckabee 1%, Ron Paul 1%, Rick Perry 1%, Marco Rubio 1%, Paul Ryan 1%, Newt Gingrich <1%, Rudy Giuliani <1%, Bobby Jindal <1%, Sarah Palin <1%, Other 3%, Don't know 30%
Fairleigh Dickinson University

Margin of error: ± 6.5%
Sample size: 228

August 21–27, 2013 Chris Christie
51%
Rand Paul
10%
Marco Rubio
9%
Jeb Bush 6%, Other 10%, Undecided 13%
Kean University

Margin of error: ± ?%
Sample size: 309

April 25–29, 2013 Chris Christie
41%
Marco Rubio
18%
Rand Paul
13%
Paul Ryan 12%, Other 5%, Undecided 11%

New Mexico

Poll source Date 1st 2nd 3rd Other
Primary results June 7, 2016 Donald Trump
70.69%
Ted Cruz
13.29%
John Kasich
7.57%
Ben Carson 3.65%, Jeb Bush 3.36%, Carly Fiorina 1.44%
Albuquerque Journal[156]

Margin of error: ± 4.9%
Sample size: 403

February 16–18, 2016 Ted Cruz
25%
Donald Trump
24%
Marco Rubio
19%
Ben Carson 6%, Jeb Bush 5%, John Kasich 4%, Undecided 17%

New York

Winner
Donald Trump
Primary date
April 19, 2016
Poll source Date 1st 2nd 3rd Other
Primary results April 19, 2016 Donald Trump
59.21%
John Kasich
24.68%
Ted Cruz
14.53%
Emerson College[157]

Margin of error: ± 5.11%
Sample size: 361

April 15 – 17, 2016 Donald Trump
55%
John Kasich
21%
Ted Cruz
18%
Undecided 5%
CBS News/YouGov[158]

Margin of error: ± 5.9%
Sample size: 705

April 13 – 15, 2016 Donald Trump
54%
Ted Cruz
21%
John Kasich
19%
Undecided 6%
Optimus[159]

Margin of error: ± 0.822%
Sample size: 14201

April 11 – 14, 2016 Donald Trump
49%
John Kasich
23%
Ted Cruz
14%
Undecided 14%
NBC News/WSJ/Marist[160]

Margin of error: ± 5.5%
Sample size: 313

April 10 – 13, 2016 Donald Trump
54%
John Kasich
25%
Ted Cruz
16%
Undecided 5%
Siena College[161]

Margin of error: ± 5%
Sample size: 469

April 6 – 11, 2016 Donald Trump
50%
John Kasich
27%
Ted Cruz
17%
Other 6%
Quinnipiac University[162]

Margin of error: ± 4.2%
Sample size: 550

April 6 – 11, 2016 Donald Trump
55%
John Kasich
20%
Ted Cruz
19%
Undecided 6%
Public Policy Polling[163]

Margin of error: ± 4.5%
Sample size: 483

April 7 – 10, 2016 Donald Trump
51%
John Kasich
25%
Ted Cruz
20%
Undecided 4%
NBC News/WSJ/Marist[164]

Margin of error: ± 6.1%
Sample size: 259

April 6 – 10, 2016 Donald Trump
54%
John Kasich
21%
Ted Cruz
18%
Undecided 5%, Other 1%
Baruch College/New York 1[165]

Margin of error: ± 5.8%
Sample size: 324

April 5 – 10, 2016 Donald Trump
60%
John Kasich
17%
Ted Cruz
14%
Undecided 7%, Refused 2%
Liberty Research[166]

Margin of error: ± 3.0%
Sample size: 6041

April 6 – 7, 2016 Donald Trump
52%
John Kasich
23%
Ted Cruz
19%
Undecided 6%
Emerson College[167]

Margin of error: ± 5.4%
Sample size: 321

April 6 – 7, 2016 Donald Trump
56%
Ted Cruz
22%
John Kasich
17%
Undecided 4%, Other 1%
Fox News[168]

Margin of error: ± 4%
Sample size: 602

April 4 – 7, 2016 Donald Trump
54%
John Kasich
22%
Ted Cruz
15%
Undecided 6%, Other 1%
Monmouth University[169]

Margin of error: ± 5.6%
Sample size: 302

April 3 – 5, 2016 Donald Trump
52%
John Kasich
25%
Ted Cruz
17%
Undecided 6%
CBS News/YouGov[170]

Margin of error: ± 5.6%
Sample size: 657

March 29-April 1, 2016 Donald Trump
52%
Ted Cruz
21%
John Kasich
20%
Other/Undecided 7%
Quinnipiac University[171]

Margin of error: ± 4.6%
Sample size: 457

March 22 – 29, 2016 Donald Trump
56%
Ted Cruz
20%
John Kasich
19%
Undecided 4%
Liberty Research[172]

Margin of error: ± 3%
Sample size: 1795

March 24 – 26, 2016 Donald Trump
55%
John Kasich
22%
Ted Cruz
19%
Undecided 4%
Optimus[173]

Margin of error: ± 0.8%
Sample size: 14232

March 22 – 24, 2016 Donald Trump
47%
John Kasich
22%
Ted Cruz
15%
Undecided 16%
Emerson College[174]

Margin of error: ± 5.6%
Sample size: 298

March 14 – 16, 2016 Donald Trump
64%
Ted Cruz
12%
John Kasich
1%
Other 19%, Undecided 1%
Siena College[175]

Margin of error: ± 6.7%
Sample size: 229

February 28 – March 3, 2016 Donald Trump
45%
Marco Rubio
18%
John Kasich
18%
Ted Cruz 11%, Other 1%, Undecided 7%
Siena College[176]

Margin of error: ± 7.0%
Sample size: 235

January 31 – February 3, 2016 Donald Trump
34%
Ted Cruz
16%
Marco Rubio
16%
Chris Christie 11%, Jeb Bush 7%, John Kasich 4%, Someone else 2%, Don't know/No opinion 10%
Siena College

Margin of error: ± 6.7%
Sample size: 214

September 14–17, 2015 Donald Trump
34%
Ben Carson
14%
Jeb Bush
11%
Chris Christie 9%, Carly Fiorina 8%, Marco Rubio 5%, John Kasich 4%, Ted Cruz 3%, George Pataki 3%, Scott Walker 0%, Other 1%, None of them 5%, Undecided 5%
Quinnipiac University Archived 2015-06-15 at the Wayback Machine

Margin of error: ± 5.2%
Sample size: 356

May 28 – June 1, 2015 George Pataki
11%
Marco Rubio
11%
Jeb Bush
10%
Scott Walker 7%, Ben Carson 6%, Chris Christie 6%, Rand Paul 6%, Donald Trump 6%, Mike Huckabee 5%, Ted Cruz 3%, Carly Fiorina 3%, Rick Santorum 2%, Bobby Jindal 1%, John Kasich 1%, Rick Perry 1%, Lindsey Graham 0%, DK/NA 14%, Wouldn't vote 3%, Someone else 1%
Siena College

Margin of error: ± 6.6%
Sample size: 223

April 19–23, 2015 Chris Christie
25%
Jeb Bush
20%
Marco Rubio
9%
Rand Paul 8%, Ted Cruz 6%, Other 8%, Undecided 24%
Quinnipiac University

Margin of error: ± 5.4%
Sample size: 327

March 11–16, 2015 Jeb Bush
13%
Scott Walker
13%
Chris Christie
12%
Marco Rubio 10%, Rand Paul 8%, Ben Carson 6%, George Pataki 6%, Ted Cruz 3%, Mike Huckabee 3%, Bobby Jindal 1%, John Kasich 1%, Rick Perry 1%, Rick Santorum 1%, Lindsey Graham 0%, Other 1%, Wouldn't vote 3%, Undecided 18%
Marist College

Margin of error: ± 7.6%
Sample size: 167

November 18–20, 2013 Chris Christie
40%
Rand Paul
10%
Marco Rubio
10%
Jeb Bush 8%, Paul Ryan 5%, Ted Cruz 3%, Rick Perry 3%, Scott Walker 3%, Susana Martinez 2%, Rick Santorum 2%, Undecided 15%

North Carolina

Winner
Donald Trump
Primary date
March 15, 2016
Poll source Date 1st 2nd 3rd Other
Primary results March 15, 2016 Donald Trump
40.23%
Ted Cruz
36.76%
John Kasich
12.67%
Marco Rubio 7.73%, Ben Carson 0.96%, Jeb Bush 0.34%, Mike Huckabee 0.27%, Rand Paul 0.24%, Chris Christie 0.11%, Carly Fiorina 0.08%, Rick Santorum 0.06%, Jim Gilmore 0.02%
Public Policy Polling[177]

Margin of error: ± 3.6% Sample size: 749

March 11–13, 2016 Donald Trump
44%
Ted Cruz
33%
John Kasich
11%
Marco Rubio 7%, Undecided 5%
High Point University/SurveyUSA[178]

Margin of error: ± 3.3% Sample size: 734

March 9–10, 2016 Donald Trump
48%
Ted Cruz
28%
John Kasich
12%
Marco Rubio 8%, Other 1%, No Preference 1%, Undecided 2%
Civitas[179]

Margin of error: ± 4.38% Sample size: 500

March 5–7, 2016 Donald Trump
32%
Ted Cruz
26%
Marco Rubio
11%
John Kasich 11%, Ben Carson 3%, Mike Huckabee 2%, Jeb Bush 2%, Rand Paul 1%, Other 1%, No Preference 6%
WRAL-TV/SurveyUSA[180]

Margin of error: ± 3.8% Sample size: 688

March 4–7, 2016 Donald Trump
41%
Ted Cruz
27%
Marco Rubio
14%
John Kasich 11%, Other 4%, Undecided 2%
Elon University[181]

Margin of error: ± 3.62% Sample size: 733

February 15–19, 2016 Donald Trump
27.8%
Ted Cruz
19.1%
Marco Rubio
15.9%
Ben Carson 10%, John Kasich 6.8%, Jeb Bush 4%, Other 1.1%, Undecided 14.6%
SurveyUSA/
Time Warner Cable News[182]

Margin of error: ± 4.8% Sample size: 437

February 14–16, 2016 Donald Trump
36%
Ted Cruz
18%
Marco Rubio
18%
Ben Carson 10%, John Kasich 7%, Jeb Bush 5%, Other 1%, No Preference 1%, Undecided 4%
Public Policy Polling[183]

Margin of error: ± 4% Sample size: 597

February 14–16, 2016 Donald Trump
29%
Ted Cruz
19%
Marco Rubio
16%
John Kasich 11%, Ben Carson 9%, Jeb Bush 7%, Undecided 9%
High Point University[184]

Margin of error: ± 4.5% Sample size: 477

January 30–
February 4, 2016
Donald Trump
26%
Ted Cruz
22%
Marco Rubio
20%
Ben Carson 9%, Jeb Bush 3%, Chris Christie 2%, John Kasich 2%, Rand Paul 2%, Mike Huckabee 2%, Carly Fiorina 1%, Rick Santorum <1%, Jim Gilmore 0%, Other 4%, Don't Know 15%
Civitas Institute[185]

Margin of error: ± 4.38% Sample size: 500

January 18–19, 2016 Donald Trump
27%
Ted Cruz
23%
Marco Rubio
10%
Ben Carson 7%, Jeb Bush 4%, Chris Christie 4%, Mike Huckabee 2%, John Kasich 2%, Rand Paul 2%, Carly Fiorina 2%, Rick Santorum 1%, No Preference 11%, Other 2%, Refused 4%
Public Policy Polling[186]

Margin of error: ± 4.7% Sample size: 433

January 18–19, 2016 Donald Trump
38%
Ted Cruz
16%
Marco Rubio
11%
Ben Carson 8%, Jeb Bush 6%, Mike Huckabee 6%, Chris Christie 4%, Carly Fiorina 3%, Rand Paul 3%, John Kasich 2%, Rick Santorum 1%, Jim Gilmore 0%, Undecided 4%
Public Policy Polling

Margin of error: ± 4.2%
Sample size: 537

December 5–7, 2015 Donald Trump
33%
Ted Cruz
16%
Marco Rubio/Ben Carson 14% Jeb Bush 5%, Chris Christie 4%, John Kasich 3%, Carly Fiorina 2%, Mike Huckabee 2%, Rand Paul 2%, Lindsey Graham 1%
Elon University

Margin of error: ± 3.0%
Sample size: 466

October 29 – November 2, 2015 Ben Carson
31%
Donald Trump
19%
Marco Rubio/Ted Cruz 9.7% Jeb Bush 4.65%, Carly Fiorina 3.4%, Mike Huckabee 2.7%, Rand Paul 1.9%, Chris Christie 1.8%, John Kasich 1.3%, Lindsey Graham 1.1%, Bobby Jindal 0%, George Pataki 0%, Rick Santorum 0%, Undecided 12.2%, Refused 0.9%, Don't Know 0.7%
Public Policy Polling

Margin of error ± 4.8%
Sample size: 425

October 23–25, 2015 Donald Trump
31%
Ben Carson
23%
Marco Rubio
11%
Jeb Bush 6%, Ted Cruz 6%, Carly Fiorina 6%, Mike Huckabee 5%, John Kasich 5%, Chris Christie 3%, Rand Paul 2%, Rick Santorum 2%, Jim Gilmore 0%, Lindsey Graham 0%, Bobby Jindal 0%, George Pataki 0%, Undecided 1%
Public Policy Polling

Margin of error: ± 4.1%
Sample size: 576

September 24–27, 2015 Donald Trump
26%
Ben Carson
21%
Carly Fiorina
12%
Marco Rubio 10%, Ted Cruz 9%, Mike Huckabee 6%, Jeb Bush 5%, John Kasich 4%, Chris Christie 2%, Rick Santorum 1%, Bobby Jindal 1%, George Pataki 0%, Jim Gilmore 0%, Lindsey Graham 0%, Rand Paul 0%, Undecided 2%
Elon University Archived 2015-09-25 at the Wayback Machine

Margin of error: ± 4.31%
Sample size: 516

September 17–21, 2015 Donald Trump
21.5%
Ben Carson
20.9%
Carly Fiorina
9.9%
Marco Rubio 7.4%, Jeb Bush 7%, Ted Cruz 6.2%, Mike Huckabee 4.1%, Rand Paul 2.3%, John Kasich 2.1%, Scott Walker 1.6%, Chris Christie 1.6%, Rick Santorum 1%, Lindsey Graham, 0.2%, Bobby Jindal 0%, George Pataki 0%, Jim Gilmore 0%, Other 0.6%, Undecided 13.2%, Refused 0.6%
Public Policy Polling

Margin of error: ± 4.5%
Sample size: 406

August 12–16, 2015 Donald Trump
24%
Ben Carson
14%
Jeb Bush
13%
Ted Cruz 10%, Marco Rubio 9%, Carly Fiorina 6%, Mike Huckabee 6%, Scott Walker 6%, Rand Paul 3%, Chris Christie 2%, Rick Santorum 2%, Rick Perry 1%, John Kasich 1%, Bobby Jindal 0%, Lindsey Graham 0%, George Pataki 0%, Jim Gilmore 0%, Undecided 3%
Opinion Savvy/Insider Advantage

Margin of error: ± 4.4%
Sample size: 486

August 2–3, 2015 Donald Trump
30.4%
Jeb Bush
18.8%
Ben Carson
11.9%
Ted Cruz 6.1%, Marco Rubio 5.3%, Scott Walker 5.3%, Mike Huckabee 5.1%, Carly Fiorina 2.6%, John Kasich 2.2%, Rand Paul 2%, Chris Christie 1.8%, Bobby Jindal 1.4%, Rick Santorum 1%, Lindsey Graham 0.7%, Rick Perry 0.4%, George Pataki 0%, Someone else 1.1%, Undecided 3.9%
Public Policy Polling

Margin of error: ± 5.8%
Sample size: 288

July 2–6, 2015 Donald Trump
16%
Jeb Bush
12%
Scott Walker
12%
Mike Huckabee 11%, Ben Carson 9%, Marco Rubio 9%, Rand Paul 7%, Ted Cruz 6%, Chris Christie 5%, Carly Florina 4%, Rick Perry 2%, Lindsey Graham 1%, Bobby Jindal 1%, Rick Santorum 1%, John Kasich 0%, George Pataki 0%, Undecided 4%
Public Policy Polling

Margin of error: ± 5.9%
Sample size: 277

May 28–31, 2015 Jeb Bush
19%
Rand Paul
12%
Marco Rubio
12%
Scott Walker 12%, Ted Cruz 11%, Mike Huckabee 10%, Ben Carson 9%, Chris Christie 8%, Carly Fiorina 2%, Not Sure 5%
SurveyUSA

Margin of error: ± 5.5%
Sample size: 333

April 22–27, 2015 Marco Rubio
16%
Jeb Bush
15%
Rand Paul
14%
Scott Walker 12%, Mike Huckabee 11%, Ted Cruz 10%, Chris Christie 8%, Rick Perry 3%, Rick Santorum 2%, Other/Undecided 10%
Public Policy Polling

Margin of error: ± 5.2%
Sample size: 351

April 2–5, 2015 Jeb Bush
19%
Scott Walker
16%
Ted Cruz
11%
Mike Huckabee 11%, Marco Rubio 11%, Ben Carson 9%, Chris Christie 7%, Rand Paul 6%, Rick Perry 2%, Undecided 7%
Civitas Institute

Margin of error: ± 5%
Sample size: 400

March 20–23, 2015 Scott Walker
29%
Jeb Bush
16%
Mike Huckabee
14%
Ben Carson 13%, Rand Paul 8%, Chris Christie 7%, Rick Santorum 3%, Other/Undecided 10%
Public Policy Polling

Margin of error: ± 5%
Sample size: 389

February 24–26, 2015 Scott Walker
24%
Jeb Bush
17%
Mike Huckabee
15%
Ben Carson 12%, Marco Rubio 7%, Chris Christie 5%, Rand Paul 5%, Ted Cruz 3%, Rick Perry 3%, Undecided 8%
Public Policy Polling

Margin of error: ± 4.9%
Sample size: 400

January 29–31, 2015 Mitt Romney
16%
Jeb Bush
14%
Ben Carson
14%
Scott Walker 14%, Mike Huckabee 13%, Ted Cruz 6%, Rand Paul 6%, Chris Christie 5%, Rick Perry 3%, Undecided 9%
Meeting Street Research Archived 2015-02-06 at the Wayback Machine

Margin of error: ± ?
Sample size: 262

January 21–22, 2015 Mitt Romney
18%
Jeb Bush
17%
Chris Christie
11%
Ben Carson 10%, Mike Huckabee 10%, Rand Paul 6%, Ted Cruz 5%, Scott Walker 4%, Rick Perry 3%, Mike Pence 0%, Undecided 15%, Refused 1%
Public Policy Polling

Margin of error: ± 5%
Sample size: 390

December 4–7, 2014 Ben Carson
19%
Jeb Bush
15%
Chris Christie
14%
Mike Huckabee 14%, Paul Ryan 11%, Rick Perry 7%, Ted Cruz 5%, Rand Paul 5%, Marco Rubio 4%, Someone else/Not sure 7%
Suffolk University Archived 2014-08-21 at the Wayback Machine

Margin of error: ± 8%
Sample size: 129

August 16–19, 2014 Mike Huckabee
17.5%
Jeb Bush
11%
Chris Christie
7%
Rick Perry 5.5%, Paul Ryan 5.5%, Marco Rubio 4%, Rand Paul 3.5%, Scott Walker 3.5%, Ted Cruz 3%, Bobby Jindal 1.5%, John Kasich 0.5%, Jon Huntsman Jr. 0%, Rick Santorum 0%, Undecided 32%, Refused 3.5%, Other 2%
Mitt Romney
38.76%
Mike Huckabee
13.95%
Jeb Bush
10.08%
Chris Christie 6.2%, Scott Walker 3.88%, Rand Paul 3.1%, Rick Perry 2.33%, Marco Rubio 2.33%, Paul Ryan 2.33%, Ted Cruz 1.55%, Jon Huntsman Jr. 0.78%, Bobby Jindal 0%, John Kasich 0%, Rick Santorum 0%, Undecided 11.63%, Refused 3.1%
Civitas Institute

Margin of error: ± 5.3%
Sample size: 336

July 28–29, 2014 Jeb Bush
16%
Chris Christie
9%
Rand Paul
9%
Marco Rubio 8%, Ted Cruz 7%, Rick Perry 7%, Bobby Jindal 3%, Rick Santorum 3%, Scott Walker 3%, Undecided 22%, Won't vote in Republican primary 11%, Other 1%, Refused 1%
Public Policy Polling

Margin of error: ± 4.9%
Sample size: 394

May 9–11, 2014 Jeb Bush
17%
Mike Huckabee
17%
Chris Christie
12%
Ted Cruz 12%, Rand Paul 12%, Paul Ryan 8%, Marco Rubio 5%, Scott Walker 5%, Bobby Jindal 2%, Someone else/Not sure 11%
Public Policy Polling

Margin of error: ± 3.7%
Sample size: 694

April 26–28, 2014 Mike Huckabee
19%
Ted Cruz
17%
Jeb Bush
15%
Rand Paul 15%, Chris Christie 9%, Paul Ryan 6%, Marco Rubio 5%, Bobby Jindal 4%, Cliven Bundy 3%, Someone Else/Undecided 6%
Magellan Strategies

Margin of error: ± 6%
Sample size: 300

April 14–15, 2014 Mike Huckabee
21%
Jeb Bush
19%
Rand Paul
15%
Chris Christie 12%, Ted Cruz 11%, Marco Rubio 6%, John Kasich 3%, Scott Walker 2%, Undecided 11%
Public Policy Polling

Margin of error: ± 5.5%
Sample size: 314

April 3–6, 2014 Mike Huckabee
22%
Jeb Bush
18%
Chris Christie
12%
Ted Cruz 12%, Rand Paul 9%, Paul Ryan 9%, Scott Walker 7%, Marco Rubio 5%, Bobby Jindal 2% Someone Else/Undecided 6%
Public Policy Polling

Margin of error: ± 5%
Sample size: 392

March 6–9, 2014 Mike Huckabee
19%
Chris Christie
15%
Ted Cruz
14%
Jeb Bush 12%, Rand Paul 12%, Scott Walker 6%, Marco Rubio 5%, Paul Ryan 4%, Bobby Jindal 1%, Someone Else/Undecided 12%
Public Policy Polling

Margin of error: ± 5.6%
Sample size: 305

February 6–9, 2014 Mike Huckabee
20%
Jeb Bush
15%
Rand Paul
14%
Chris Christie 11%, Ted Cruz 8%, Paul Ryan 8%, Marco Rubio 7%, Scott Walker 4%, Bobby Jindal 3%, Someone Else/Undecided 9%
Public Policy Polling

Margin of error: ± 4.1%
Sample size: 575

January 9–12, 2014 Chris Christie
17%
Jeb Bush
14%
Rand Paul
14%
Ted Cruz 11%, Paul Ryan 11%, Marco Rubio 9%, Bobby Jindal 5%, Rick Santorum 4%, Scott Walker 3%, Someone Else/Undecided 13%
Public Policy Polling

Margin of error: ± 4.3%
Sample size: 529

December 5–8, 2013 Chris Christie
19%
Jeb Bush
15%
Rand Paul
13%
Ted Cruz 12%, Marco Rubio 10%, Paul Ryan 7%, Rick Santorum 5%, Scott Walker 5%, Bobby Jindal 3%, Someone Else/Undecided 11%
Public Policy Polling

Margin of error: ± 4.4%
Sample size: 498

November 8–11, 2013 Chris Christie
20%
Jeb Bush
16%
Ted Cruz
12%
Rand Paul 12%, Marco Rubio 10%, Paul Ryan 7%, Bobby Jindal 6%, Rick Santorum 2%, Scott Walker 1%, Someone Else/Undecided 13%

Ohio

Winner
John Kasich
Primary date
March 15, 2016
Poll source Date 1st 2nd 3rd Other
Primary results March 15, 2016 John Kasich
46.95%
Donald Trump
35.87%
Ted Cruz
13.31%
Marco Rubio 2.34%, Ben Carson 0.72%, Jeb Bush 0.27%, Mike Huckabee 0.25%, Chris Christie 0.12%, Carly Fiorina 0.11%, Rick Santorum 0.07%
ARG[187]

Margin of error: ± 5% Sample size: 400

March 12–13, 2016 John Kasich
44%
Donald Trump
38%
Ted Cruz
12%
Marco Rubio 2%, Undecided 4%
Monmouth University[188]

Margin of error: ± 4.4% Sample size: 503

March 11–13, 2016 John Kasich
40%
Donald Trump
35%
Ted Cruz
15%
Marco Rubio 5%, Other 1%, Undecided 4%
Quinnipiac University[33]

Margin of error: ± 3.7% Sample size: 721

March 8–13, 2016 Donald Trump
38%
John Kasich
38%
Ted Cruz
16%
Marco Rubio 3%, Undecided 4%
CBS News/YouGov[189]

Margin of error: ± 4.4% Sample size: 798

March 9–11, 2016 John Kasich
33%
Donald Trump
33%
Ted Cruz
27%
Marco Rubio 5%, No Preference 2%
NBC News/WSJ/Marist[190]

Margin of error: ± 4.1% Sample size: 564

March 4–10, 2016 John Kasich
39%
Donald Trump
33%
Ted Cruz
19%
Marco Rubio 6%
Fox News[191]

Margin of error: ± 3.5% Sample size: 806

March 5–8, 2016 John Kasich
34%
Donald Trump
29%
Ted Cruz
19%
Marco Rubio 7%, Undecided 5%, Other 3%, None of the above 2%
Quinnipiac University[44]

Margin of error: ± 3.7% Sample size: 685

March 2–7, 2016 Donald Trump
38%
John Kasich
32%
Ted Cruz
16%
Marco Rubio 9%, Undecided 5%
Public Policy Polling[192]

Margin of error: ± 3.9%
Sample size: 638

March 4–6, 2016 Donald Trump
38%
John Kasich
35%
Ted Cruz
15%
Marco Rubio 5%, Undecided 5%
CNN/ORC[47]

Margin of error: ± 5% Sample size: 359

March 2–6, 2016 Donald Trump
41%
John Kasich
35%
Ted Cruz
15%
Marco Rubio 7%
Quinnipiac University[193]

Margin of error: ± 3.6%
Sample size: 759

February 16–20, 2016 Donald Trump
31%
John Kasich
26%
Ted Cruz
21%
Marco Rubio 13%, Ben Carson 5%, Someone else 0%, DK/NA 5%
Baldwin Wallace University[194]

Margin of error: ± 5%
Sample size: 440

February 11–20, 2016 Donald Trump
31%
John Kasich
29%
Ted Cruz
11%
Marco Rubio 10%, Ben Carson 8%, Jeb Bush 3%, Don't Know 8%
Quinnipiac University[195]

Margin of error: ± 4.7%
Sample size: 433

September 25 – October 5, 2015 Donald Trump
23%
Ben Carson
18%
John Kasich
13%
Ted Cruz 11%, Carly Fiorina 10%, Marco Rubio 7%, Jeb Bush 4%, Rand Paul 3%, Mike Huckabee 2%, Chris Christie 1%, Jim Gilmore 0%, George Pataki 0%, Bobby Jindal 0%, Rick Santorum 0%, Lindsey Graham 0%, Someone else 0%, Would not vote 2%, DK/NA 6%
Quinnipiac University[196]

Margin of error: ± 5.1%
Sample size: 371

August 7–18, 2015 John Kasich
27%
Donald Trump
21%
Ted Cruz
7%
Marco Rubio 7%, Ben Carson 6%, Carly Fiorina 5%, Jeb Bush 5%, Mike Huckabee 3%, Scott Walker 2%, Rick Santorum 2%, Rand Paul 2%, Chris Christie 1%, Bobby Jindal 0%, Rick Perry 0%, Lindsey Graham 0%, Don't know 11%
Quinnipiac University[197]

Margin of error: ± 4.8%
Sample size: 413

June 4–15, 2015 John Kasich
19%
Jeb Bush
9%
Scott Walker
8%
Marco Rubio 7%, Rand Paul 7%, Mike Huckabee 7%, Ben Carson 6%, Ted Cruz 6%, Chris Christie 3%, Lindsey Graham 2%, Rick Perry 2%, Rick Santorum 2%, Carly Fiorina 1%, Donald Trump 1%, Bobby Jindal 0%, Someone else 1%, Wouldn't vote 1%, Don't know 17%
Public Policy Polling[198]

Margin of error: ± 4.8%
Sample size: 411

June 4–7, 2015 John Kasich
19%
Ben Carson
13%
Scott Walker
13%
Jeb Bush 12%, Marco Rubio 12%, Rand Paul 9%, Mike Huckabee 6%, Ted Cruz 5%, Chris Christie 4%, Someone Else/Not Sure 8%
Quinnipiac University Archived 2015-04-04 at the Wayback Machine

Margin of error: ± 4.9%
Sample size: 404

March 17–28, 2015 John Kasich
20%
Ted Cruz
9%
Mike Huckbee
9%
Scott Walker 9%, Jeb Bush 8%, Ben Carson 8%, Rand Paul 7%, Chris Christie 5%, Marco Rubio 5%, Bobby Jindal 1%, Rick Perry 1%, Rick Santorum 1%, Lindsey Graham 0%, Someone else 1%, Wouldn't vote 1% Undecided 15%
John Kasich
22%
Scott Walker
10%
Ted Cruz
9%
Mike Huckabee 9%, Ben Carson 8%, Rand Paul 7%, Chris Christie 6%, Marco Rubio 6%, Rick Perry 2%, Bobby Jindal 1%, Rick Santorum 1%, Lindsey Graham 0%, Someone else 1%, Wouldn't vote 1% Undecided 17%
John Kasich
22%
Ted Cruz
11%
Jeb Bush
9%
Ben Carson 9%, Mike Huckabee 9%, Rand Paul 7%, Marco Rubio 6%, Chris Christie 5%, Bobby Jindal 2%, Rick Perry 1%, Rick Santorum 1%, Lindsey Graham 0%, Someone else 1%, Wouldn't vote 1% Undecided 15%
Quinnipiac University Archived 2016-04-05 at the Wayback Machine

Margin of error: ± 5.3%
Sample size: 337

January 22 – February 1, 2015 Mitt Romney
15%
John Kasich
11%
Scott Walker
10%
Jeb Bush 9%, Rand Paul 8%, Ben Carson 7%, Ted Cruz 5%, Mike Huckabee 5%, Chris Christie 4%, Marco Rubio 3%, Bobby Jindal 1%, Rick Perry 0%, Rick Santorum 0%, Other 2%, Wouldn't vote 2%, Undecided 18%
John Kasich
14%
Scott Walker
11%
Jeb Bush
10%
Rand Paul 10%, Ben Carson 8%, Mike Huckabee 7%, Ted Cruz 6%, Chris Christie 6%, Marco Rubio 4%, Bobby Jindal 1%, Rick Perry 1%, Rick Santorum 1%, Other 2%, Wouldn't vote 2%, Undecided 20%
Magellan Strategies

Margin of error: ± 6%
Sample size: 300

April 14–15, 2014 Mike Huckabee
17%
Rand Paul
15%
Jeb Bush
13%
Chris Christie 13%, Ted Cruz 12%, John Kasich 10%, Marco Rubio 5%, Scott Walker 4%, Undecided 11%
Public Policy Polling

Margin of error: ± 5.2%
Sample size: 357

Aug. 16–19, 2013 Chris Christie
17%
Rand Paul
17%
Jeb Bush
10%
Marco Rubio 9%, John Kasich 8%, Paul Ryan 8%, Ted Cruz 6%, Bobby Jindal 4%, Rick Santorum 4%, Someone Else/Undecided 17%

Oklahoma

Winner
Ted Cruz
Primary date
March 1, 2016
Poll source Date 1st 2nd 3rd Other
Primary results March 1, 2016 Ted Cruz
34.37%
Donald Trump
28.32%
Marco Rubio
26.01%
Ben Carson 6.22%, John Kasich 3.59%, Jeb Bush 0.45%, Rand Paul 0.36%, Mike Huckabee 0.28%, Carly Fiorina 0.13%, Chris Christie 0.12%, Rick Santorum 0.08%, Lindsey Graham 0.05%
SurveyMonkey[1]

Margin of error: ± ?% Sample size: 636

February 22–29, 2016 Donald Trump
34%
Ted Cruz
19%
Marco Rubio
19%
Ben Carson 14%, John Kasich 7%, Undecided 8%
Monmouth University[2]

Margin of error: ± 4.9%
Sample size: 403

February 25–28, 2016 Donald Trump
35%
Ted Cruz
23%
Marco Rubio
22%
John Kasich 8%, Ben Carson 7%, Other 1%, Undecided 4%
SoonerPoll[199]

Margin of error: ± 4.21%
Sample size: 540

February 23–25, 2016 Donald Trump
34%
Marco Rubio
21%
Ted Cruz
18%
Ben Carson 9%, John Kasich 6%, Undecided 13%
The Oklahoman[200]

Margin of error: ± 4.9%
Sample size: 400

February 22–23, 2016 Donald Trump
29%
Marco Rubio
21%
Ted Cruz
20%
Ben Carson 6%, John Kasich 5%, Other 2%, Undecided 18%
SoonerPoll[201]

Margin of error: ± 4.81%
Sample size: 414

February 6–9, 2016 Donald Trump
30.4%
Ted Cruz
25.4%
Marco Rubio
21.0%
Ben Carson 5.6%, Jeb Bush 4.6%, John Kasich 2.9%, Carly Fiorina 1.5%, Chris Christie 1.4%, Jim Gilmore 0.0%, Undecided 7.7%
SoonerPoll[202]

Margin of error: ± 4.21% Sample size: 541

January 17–19, 2016 Donald Trump
35.1%
Ted Cruz
25%
Marco Rubio
9.6%
Ben Carson 7.8%, Jeb Bush 4.4%, Mike Huckabee 4.4%, Chris Christie 3.1%, Rand Paul 2.2%, Carly Fiorina 1.3%, Other 2.2%, Undecided 4.8%
SoonerPoll Archived 2015-11-22 at the Wayback Machine

Margin of error: ± 5.1%
Sample size: 389

November 12–15, 2015 Donald Trump
27.1%
Ted Cruz
18.3%
Ben Carson
17.5%
Marco Rubio 16.3%, Mike Huckabee 4.3%, Carly Fiorina 2.3%, Jeb Bush 2.2%, Rand Paul 2.2%, John Kasich 0.5%, Other 2.5%, Undecided 6.7%
The Oklahoman

Margin of error: ± 4.3%
Sample size: 500

October 19–22, 2015 Ben Carson
25%
Donald Trump
19%
Marco Rubio
9%
Ted Cruz 7%, Mike Huckabee 4%, Jeb Bush 3%, Carly Fiorina 2%, John Kasich 2%, Chris Christie 1%, Rand Paul 1%, Bobby Jindal 0%, Rick Santorum 0%, Lindsey Graham 0%, George Pataki 0%, Undecided 27%
Opinion Savvy/Insider Advantage

Margin of error: ± 4.8%
Sample size: 402

August 2, 2015 Donald Trump
35.8%
Jeb Bush
13.6%
Ben Carson
10.1%
Ted Cruz 7.3%, Mike Huckabee 6.8%, Scott Walker 5.8%, Rand Paul 3.4%, Chris Christie 3.3%, Carly Fiorina 3%, Marco Rubio 2.6%, John Kasich 2.3%, Rick Perry 1.6%, Bobby Jindal 1.2%, Rick Santorum 1.1%, Lindsey Graham 0.4%, George Pataki 0%, Someone else 0.7%, Undecided 1.1%
Harper Polling Archived 2014-02-13 at the Wayback Machine

Margin of error: ± 3.91%
Sample size: 627

Jan. 30 – Feb 1, 2014 Ted Cruz
19%
Rand Paul
15%
Chris Christie
11%
Paul Ryan 11%, Marco Rubio 9%, Bobby Jindal 6%, Rick Santorum 5%, Scott Walker 4%, Undecided 19%

Oregon

Winner
Donald Trump
Primary date
May 17, 2016
Poll source Date 1st 2nd 3rd Other
Primary results May 17, 2016 Donald Trump
64.51%
Ted Cruz
16.50%
John Kasich
15.83%
DHM Research/Oregon Public Broadcasting/Fox 12[203]

Margin of error: ± 5.7%
Sample size: 324

May 6–9, 2016 Donald Trump 45% Ted Cruz
14%
John Kasich
14%
Undecided 19%, Wouldn't Vote 7%
Hoffman Research[204]

Margin of error: ± 4.16%
Sample size: 555

April 26–27, 2016 Donald Trump 43% Ted Cruz
26%
John Kasich
17%
Undecided 13%
DHM Research Archived 2015-09-14 at the Wayback Machine

Margin of error: ± 7.7%
Sample size: 169

July 22–27, 2015 Donald Trump
18%
Scott Walker 12% Jeb Bush 11% Ted Cruz 10%, Ben Carson 9%, Rand Paul 6%, Mike Huckabee 6%, John Kasich 4%, Marco Rubio 3%, Chris Christie 2%, Carly Fiorina 2%, Rick Santorum 2%, Bobby Jindal 1%, Rick Perry 1%, Lindsey Graham 0%, Jim Gilmore 0%, George Pataki 0%, Other 2%, DK 12%
Public Policy Polling

Margin of error: ± 5.1%
Sample size: 375

May 22–27, 2014 Mike Huckabee
21%
Ted Cruz
16%
Jeb Bush
15%
Rand Paul 15%, Chris Christie 12%, Marco Rubio 4%, Paul Ryan 3%, Scott Walker 3%, Rick Santorum 2%, Someone else/Not sure 10%

Pennsylvania

Winner
Donald Trump
Primary date
April 26, 2016
Poll source Date 1st 2nd 3rd Other
Primary results April 26, 2016 Donald Trump
56.71%
Ted Cruz
21.66%
John Kasich
19.36%
Ben Carson 0.93%, Marco Rubio 0.75%, Jeb Bush 0.60%
Fox 29/Opinion Savvy[205]

Margin of error: ± 3%
Sample size: 1050

April 22–24, 2016 Donald Trump 48% Ted Cruz
28%
John Kasich
19%
Undecided 5%
Public Policy Polling[25]

Margin of error: ± 3.4%
Sample size: 826

April 22–24, 2016 Donald Trump 51% Ted Cruz
25%
John Kasich
22%
Undecided 3%
ARG[206]

Margin of error: ± 5
Sample size: 400

April 21–24, 2016 Donald Trump 50% Ted Cruz
23%
John Kasich
21%
Undecided 6%
CBS News/YouGov[207]

Margin of error: ± 4.6%
Sample size: 934

April 20–22, 2016 Donald Trump 49% Ted Cruz
26%
John Kasich
22%
Undecided 3%
NBC News/Wall Street Journal/Marist College[208]

Margin of error: ± 4.1%
Sample size: 571

April 18–20, 2016 Donald Trump 45% Ted Cruz
27%
John Kasich
24%
Other 3%, Undecided 3%
Franklin & Marshall College[209]

Margin of error: ± 4.0%
Sample size: 549

April 11–18, 2016 Donald Trump 40% Ted Cruz
26%
John Kasich
24%
Undecided 10%
CBS News/YouGov[210]

Margin of error: ± 4.8%
Sample size: 837

April 13–15, 2016 Donald Trump 46% Ted Cruz
26%
John Kasich
23%
Undecided 4%
Monmouth University[211]

Margin of error: ± 5.6%
Sample size: 303

April 10–12, 2016 Donald Trump
44%
Ted Cruz
28%
John Kasich
23%
Undecided 6%
Morning Call/Muhlenberg College[212]

Margin of error: ± 5.5%
Sample size: 422

April 7–12, 2016 Donald Trump
41%
John Kasich
26%
Ted Cruz
23%
Other 3%, Undecided 8%
Fox News[213]

Margin of error: ± 3.5%
Sample size: 802

April 4–7, 2016 Donald Trump
48%
John Kasich
22%
Ted Cruz
20%
Other 1%, Not Sure 8%
Muhlenberg College[214]

Margin of error: ± 6%
Sample size: 360

April 1–6, 2016 Donald Trump
35%
Ted Cruz
28%
John Kasich
27%
Other/Neither 5%, Not Sure 5%
Quinnipiac University[215]

Margin of error: ± 4.1%
Sample size: 578

March 30-April 4, 2016 Donald Trump
39%
Ted Cruz
30%
John Kasich
24%
Undecided 7%
CBS News/YouGov[170]

Margin of error: ± 5.0%
Sample size: 729

March 29-April 1, 2016 Donald Trump
47%
Ted Cruz
29%
John Kasich
22%
Other/Undecided 2%
Franklin & Marshall
College[216]

Margin of error: ± 5.4%
Sample size: 312

March 14–20, 2016 Donald Trump
33%
John Kasich
30%
Ted Cruz
20%
Undecided 17%
Harper Polling[217]

Margin of error: ± 5.22%
Sample size: 353

March 1–2, 2016 Donald Trump
36%
Marco Rubio
19%
Ted Cruz
17%
Ben Carson 11%, John Kasich 10%, Undecided 8%
Franklin & Marshall
College[218]

Margin of error: ± ?%
Sample size: 371

February 13–21, 2016 Donald Trump
22%
Marco Rubio
16%
John Kasich
15%
Ted Cruz 12%, Ben Carson 6%, Jeb Bush 4%, Don't know 25%
Robert Morris University[219]

Margin of error: ± ?%
Sample size: 177

February 11–16, 2016 Donald Trump
41%
Marco Rubio
15%
Ted Cruz
15%
John Kasich 9%, Ben Carson 8%, Jeb Bush 4%, Undecided 9%
Franklin & Marshall
College[220]

Margin of error: ± ?%
Sample size: 276

January 18–23, 2016 Donald Trump
24%
Ted Cruz
14%
Marco Rubio
11%
Ben Carson 5%, Jeb Bush 5%, Chris Christie 5%, John Kasich 3%, Carly Fiorina 2%, Mike Huckabee 2%, Rand Paul 2%, Rick Santorum 1%, Don't know 26%
Franklin & Marshall
College[221]

Margin of error: ± ?%
Sample size: 231

October 19–25, 2015 Donald Trump
23%
Ben Carson
22%
Marco Rubio
13%
John Kasich 6%, Ted Cruz 4%, Chris Christie 3%, Jeb Bush 3%, Carly Fiorina 3%, Mike Huckabee 1%, Bobby Jindal 1%, Rand Paul 1%, Rick Santorum 1%, Lindsey Graham <0%, George Pataki <0%, Don't know 20%
Public Policy Polling[222]

Margin of error: ± 4.5%
Sample size: 479

October 8–11, 2015 Donald Trump
24%
Ben Carson
23%
Ted Cruz
9%
Carly Fiorina 9%, Chris Christie 7%, Jeb Bush 7%, Marco Rubio 6%, Mike Huckabee 3%, John Kasich 3%, Rick Santorum 2%, Jim Gilmore 1%, Rand Paul 1%, George Pataki 1%, Bobby Jindal 0%, Lindsey Graham 0%, Undecided 4%
Quinnipiac University[223]

Margin of error: ± 4.7%
Sample size: 427

September 25 – October 5, 2015 Donald Trump
23%
Ben Carson
17%
Marco Rubio
12%
Carly Fiorina 8%, Ted Cruz 6%, Chris Christie 5%, Jeb Bush 4%, Mike Huckabee 4%, John Kasich 3%, Rick Santorum 2%, Rand Paul 1%, Bobby Jindal 1%, George Pataki 1%, Lindsey Graham 0%, Jim Gilmore 0%, Would not vote 1%, Someone else 0%, DK/NA 12%
Mercyhurst

Margin of error: ± 4.5%
Sample size: 483

September 21 – October 1, 2015 Donald Trump
18%
Ben Carson
18%
Jeb Bush
9%
Carly Fiorina 8%, Ted Cruz 4%, Marco Rubio 4%, Chris Christie 4%, Rand Paul 3%, Rick Santorum 3%, John Kasich 3%, Mike Huckabee 3%, Others 2%, Undecided 17%, Refused 1%
Quinnipiac University Archived 2015-08-20 at the Wayback Machine

Margin of error: ± 4.7%
Sample size: 443

August 7–18, 2015 Donald Trump
24%
Ben Carson
13%
Marco Rubio
10%
Carly Fiorina 7%, Jeb Bush 6%, Ted Cruz 5%, Scott Walker 5%, Rand Paul 5%, Rick Santorum 4%, John Kasich 3%, Mike Huckabee 2%, Chris Christie 2%, Bobby Jindal 1%, Rick Perry 0%, Lindsey Graham 0%, Someone else 1%, Wouldn't vote 2%, Don't know 9%
Quinnipiac University Archived 2015-06-19 at the Wayback Machine

Margin of error: ± 4.8%
Sample size: 413

June 4–15, 2015 Marco Rubio
12%
Rand Paul
11%
Jeb Bush
10%
Ben Carson 10%, Scott Walker 9%, Rick Santorum 7%, Chris Christie 6%, Mike Huckabee 6%, Ted Cruz 5%, Donald Trump 4%, Carly Fiorina 1%, Lindsey Graham 1%, John Kasich 1%, Rick Perry 1%, Bobby Jindal 0%, Someone else 2%, Wouldn't vote 1%, Don't know 13%
Public Policy Polling

Margin of error: ± 5.4%
Sample size: 334

May 21–24, 2015 Scott Walker
17%
Ben Carson
12%
Chris Christie
12%
Rick Santorum 12%, Mike Huckabee 11%, Jeb Bush 9%, Marco Rubio 9%, Ted Cruz 6%, Rand Paul 6%, Someone else/Not sure 6%
Quinnipiac University Archived 2015-04-04 at the Wayback Machine

Margin of error: ± 4.7%
Sample size: 442

March 17–28, 2015 Scott Walker
14%
Jeb Bush
9%
Ben Carson
9%
Rick Santorum 9%, Ted Cruz 7%, Marco Rubio 7%, Mike Huckabee 6%, Rand Paul 6%, Chris Christie 5%, Rick Perry 3%, John Kasich 2%, Bobby Jindal 1%, Lindsey Graham 0% Someone else 0%, Wouldn't vote 4% Undecided 18%
Scott Walker
14%
Ben Carson
9%
Rick Santorum 9% Ted Cruz 8%, Rand Paul 8%, Marco Rubio 8%, Chris Christie 6%, Mike Huckabee 6%, Rick Perry 3%, Bobby Jindal 2%, John Kasich 2%, Lindsey Graham 1%, Someone else 0%, Wouldn't vote 4%, Undecided 20%
Ben Carson
11%
Jeb Bush
10%
Ted Cruz
10%
Marco Rubio 9%, Scott Walker 9%, Mike Huckabee 7%, Rand Paul 7%, Chris Christie 5%, Rick Perry 3%, Bobby Jindal 2%, John Kasich 2%, Lindsey Graham 1%, Someone else 2%, Wouldn't vote 4%, Undecided 19%
Quinnipiac University Archived 2016-04-05 at the Wayback Machine

Margin of error: ± 5.3%
Sample size: 342

January 22 – February 1, 2015 Mitt Romney
12%
Jeb Bush
10%
Chris Christie
10%
Mike Huckabee 9%, Ben Carson 8%, Rick Santorum 6%, Scott Walker 5%, Ted Cruz 4%, Rand Paul 3%, Marco Rubio 3%, Bobby Jindal 2%, John Kasich 2%, Rick Perry 1%, Other 2%, Wouldn't vote 2%, Undecided 21%
Jeb Bush
12%
Chris Christie
11%
Mike Huckabee
10%
Ben Carson 8%, Rick Santorum 8%, Ted Cruz 6%, Scott Walker 6%, Marco Rubio 4%, John Kasich 3%, Rand Paul 3%, Bobby Jindal 2%, Rick Perry 1%, Other 2%, Wouldn't vote 2%, Undecided 22%
Public Policy Polling

Margin of error: ± 4%
Sample size: 592

January 15–18, 2015 Ben Carson
18%
Jeb Bush
14%
Mitt Romney
14%
Chris Christie 9%, Ted Cruz 9%, Mike Huckabee 9%, Scott Walker 8%, Rand Paul 7%, Rick Santorum 6%, Someone else/Not sure 6%
Ben Carson
19%
Jeb Bush
18%
Chris Christie
12%
Ted Cruz 10%, Mike Huckabee 10%, Scott Walker 9%, Rand Paul 8%, Rick Santorum 8%, Someone else/Not sure 7%
Public Policy Polling

Margin of error: ± 5.4%
Sample size: 333

May 30 – June 1, 2014 Chris Christie
23%
Mike Huckabee
14%
Rand Paul
12%
Jeb Bush 10%, Ted Cruz 10%, Rick Santorum 8%, Marco Rubio 6%, Paul Ryan 4%, Scott Walker 3%, Someone else/Not sure 9%
Public Policy Polling

Margin of error: ± 4.4%
Sample size: 491

November 22–25, 2013 Chris Christie
26%
Ted Cruz
16%
Rand Paul
14%
Jeb Bush 10%, Rick Santorum 8%, Marco Rubio 6%, Paul Ryan 5%, Bobby Jindal 3%, Scott Walker 3%, Someone Else/Undecided 9%
Public Policy Polling

Margin of error: ± 5.1%
Sample size: 373

March 8–10, 2013 Chris Christie
20%
Rand Paul
17%
Marco Rubio
17%
Jeb Bush 10%, Rick Santorum 10%, Mike Huckabee 9%, Paul Ryan 6%, Bobby Jindal 4%, Rick Perry 1%, Someone Else/Undecided 6%

Rhode Island

Winner
Donald Trump
Primary date
April 26, 2016
Poll source Date 1st 2nd 3rd Other
Primary results April 26, 2016 Donald Trump
62.92%
John Kasich
24.01%
Ted Cruz
10.29%
Marco Rubio 0.61%
Gravis Marketing[24]

Margin of error: ± 4.0%
Sample size: 566

April 23–24, 2016 Donald Trump 58% John Kasich
21%
Ted Cruz
10%
Undecided 11%
Public Policy Polling[25]

Margin of error: ± 4.3%
Sample size: 511

April 22–24, 2016 Donald Trump 61% John Kasich
23%
Ted Cruz
13%
Undecided 2%
Brown University[224]

Margin of error: ± 7.0%
Sample size: 164

April 19–21, 2016 Donald Trump
38%
John Kasich
25%
Ted Cruz
14%
Undecided 17%, Other 6%
Brown University[225]

Margin of error: ± ?%
Sample size: 206

February 22–23, 2016 Donald Trump
43%
Marco Rubio
25%
John Kasich
14%
Ted Cruz 10%, Ben Carson 3%, Undecided 5%
Brown University[226]

Margin of error: ± ?%
Sample size: 204

February 17–20, 2016 Donald Trump
41%
Marco Rubio
14%
John Kasich
12%
Ted Cruz 8%, Jeb Bush 7%, Ben Carson 4%, Other 1%, Undecided 13%

South Carolina

Winner
Donald Trump
Primary date
February 20, 2016
Poll source Date 1st 2nd 3rd Other
Primary results February 20, 2016 Donald Trump
32.51%
Marco Rubio
22.48%
Ted Cruz
22.33%
Jeb Bush 7.84%, John Kasich 7.61%, Ben Carson 7.23%
Opinion Savvy/
Augusta Chronicle[227]

Margin of error: ± 3.5% Sample size: 780

February 18–19, 2016 Donald Trump
26.9%
Marco Rubio
24.1%
Ted Cruz
18.8%
Jeb Bush 10.6%, Ben Carson 8.2%, John Kasich 7.5%, Undecided 3.9%
South Carolina
House GOP[228]

Margin of error: ± 2.0% Sample size: 3500

February 18, 2016 Donald Trump
33.51%
Ted Cruz
18.96%
Marco Rubio
18.07%
Jeb Bush 11.56%, John Kasich 8.49%, Ben Carson 5.22%, Undecided 4.19%
National Research[229]

Margin of error: ± ?% Sample size: 500

February 17–18, 2016 Donald Trump
32%
Ted Cruz
19%
Marco Rubio
18%
Jeb Bush 8%, John Kasich 7%, Ben Carson 6%, Refused 2%, Undecided 7%
ARG[230]

Margin of error: ± 5.0% Sample size: 401

February 17–18, 2016 Donald Trump
34%
Marco Rubio
22%
John Kasich
14%
Ted Cruz 13%, Jeb Bush 9%, Ben Carson 4%, Other 1%, Undecided 3%
Emerson College[231]

Margin of error: ± 4.7% Sample size: 418

February 16–18, 2016 Donald Trump
36%
Ted Cruz
19%
Marco Rubio
18%
John Kasich 10%, Jeb Bush 10%, Ben Carson 6%
Clemson University[232]

Margin of error: ± 3.0% Sample size: 650

February 14–18, 2016 Donald Trump
28%
Ted Cruz
19%
Marco Rubio
15%
Jeb Bush 10%, John Kasich 9%, Ben Carson 6%, Undecided 13%
ARG[233]

Margin of error: ± 5.0% Sample size: 400

February 16–17, 2016 Donald Trump
33%
Marco Rubio
20%
John Kasich
15%
Ted Cruz 13%, Jeb Bush 8%, Ben Carson 3%, Other 1%, Undecided 7%
Harper Polling[234]

Margin of error: ± 4% Sample size: 599

February 16–17, 2016 Donald Trump
29%
Ted Cruz
17%
Marco Rubio
15%
Jeb Bush 14%, John Kasich 13%, Ben Carson 8%, Undecided 5%
NBC News/Wall Street
Journal/Marist College[235]

Margin of error: ± 3.6% Sample size: 722

February 15–17, 2016 Donald Trump
28%
Ted Cruz
23%
Marco Rubio
15%
Jeb Bush 13%, Ben Carson 9%, John Kasich 9%, Undecided 5%
Fox News[236]

Margin of error: ± 3.5% Sample size: 759

February 15–17, 2016 Donald Trump
32%
Ted Cruz
19%
Marco Rubio
15%
Jeb Bush 9%, Ben Carson 9%, John Kasich 6%, Other 1%, Undecided 8%
Emerson College[237]

Margin of error: ± 5.0% Sample size: 315

February 15–16, 2016 Donald Trump
33%
Ted Cruz
20%
Marco Rubio
19%
John Kasich 9%, Jeb Bush 9%, Ben Carson 5%, Other 1%, Undecided 4%
ARG[238]

Margin of error: ± 5.0% Sample size: 400

February 14–16, 2016 Donald Trump
33%
Marco Rubio
16%
Ted Cruz
14%
John Kasich 14%, Jeb Bush 9%, Ben Carson 3%, Other 2%, Undecided 8%
Monmouth University[239]

Margin of error: ± 4.9% Sample size: 400

February 14–16, 2016 Donald Trump
35%
Ted Cruz
19%
Marco Rubio
17%
John Kasich 9%, Jeb Bush 8%, Ben Carson 7%, Undecided 5%
Bloomberg/Selzer[240]

Margin of error: ± 4.4% Sample size: 502

February 13–16, 2016 Donald Trump
36%
Ted Cruz
17%
Marco Rubio
15%
Jeb Bush 13%, Ben Carson 9%, John Kasich 7%, Undecided 3%
Public Policy Polling[241]

Margin of error: ± 3.3% Sample size: 897

February 14–15, 2016 Donald Trump
35%
Ted Cruz
18%
Marco Rubio
18%
John Kasich 10%, Jeb Bush 7%, Ben Carson 7%, Undecided 6%
South Carolina
House GOP[242]

Margin of error: ± 2.4% Sample size: 1700

February 15, 2016 Donald Trump
33.57%
Ted Cruz
15.54%
Marco Rubio
14.83%
Jeb Bush 14.54%, John Kasich 7.98%, Ben Carson 6.55%, Undecided 7.03%
CNN/ORC[243]

Margin of error: ± 5% Sample size: 404

February 10–15, 2016 Donald Trump
38%
Ted Cruz
22%
Marco Rubio
14%
Jeb Bush 10%, Ben Carson 6%, John Kasich 4%, Jim Gilmore 1%, Someone Else 1%, Undecided 1%, No Opinion 3%
ARG[244]

Margin of error: ± 5.0% Sample size: 400

February 12–13, 2016 Donald Trump
35%
John Kasich
15%
Marco Rubio
14%
Ted Cruz 12%, Jeb Bush 10%, Ben Carson 2%, Other 2%, Undecided 10%
South Carolina
House GOP[245]

Margin of error: ± ?%
Sample size: 1200

February 11–12, 2016 Donald Trump
34.5%
Ted Cruz
15.5%
Jeb Bush
13%
Marco Rubio 12.5%, John Kasich 8.5%, Ben Carson 5%, Undecided 11%
CBS News/YouGov[246]

Margin of error: ± 5.2% Sample size: 744

February 10–12, 2016 Donald Trump
42%
Ted Cruz
20%
Marco Rubio
15%
John Kasich 9%, Jeb Bush 6%, Ben Carson 6%, Chris Christie 1%, Carly Fiorina 0%, Jim Gilmore 0%, No preference 1%
Opinion Savvy/
Augusta Chronicle[247]

Margin of error: ± 3.5% Sample size: 779

February 10–11, 2016 Donald Trump
36.3%
Ted Cruz
19.6%
Marco Rubio
14.6%
Jeb Bush 10.9%, John Kasich 8.7%, Ben Carson 4.7%, Undecided 5.2%
NBC/WSJ/Marist[91]

Margin of error: ± 3.7% Sample size: 718

January 17–23, 2016 Donald Trump
36%
Ted Cruz
20%
Marco Rubio
14%
Jeb Bush 9%, Ben Carson 8%, Mike Huckabee 2%, Chris Christie 2%, Rand Paul 1%, John Kasich 1%, Carly Fiorina 1%, Other 0%, Undecided 6%
CBS/YouGov[248]

Margin of error: ± 5.3% Sample size: 804

January 18–21, 2016 Donald Trump
40%
Ted Cruz
21%
Marco Rubio
13%
Ben Carson 9%, Jeb Bush 8%, Rand Paul 3%, Mike Huckabee 2%, John Kasich 2%, Chris Christie 1%, Carly Fiorina 1%, Rick Santorum 0%, Jim Gilmore 0%, No Preference 0%
Morris News/Opinion Savvy[249]

Margin of error: ± 3.7% Sample size: 683

January 15, 2016 Donald Trump
32%
Ted Cruz
18%
Jeb Bush
13%
Marco Rubio 11%, Ben Carson 9%, Chris Christie 4%, Carly Fiorina 3%, Mike Huckabee 2%, John Kasich 2%, Rand Paul 2%, Rick Santorum 1%, Undecided 3%
Associated Industries of Florida

Margin of error: ± 3.9%
Sample size: 600

December 16–17, 2015 Donald Trump
27%
Ted Cruz
27%
Marco Rubio
12%
Ben Carson 11%, Jeb Bush 7%, Others 5%, Undecided 11%
CBS News/YouGov

Margin of error: ± 5%
Sample size: 1469

December 14–17, 2015 Donald Trump
38%
Ted Cruz
23%
Marco Rubio
12%
Ben Carson 9%, Jeb Bush 7%, Rand Paul 4%, John Kasich 2%, Chris Christie 1%, Carly Fiorina 1%, Mike Huckabee 1%, Lindsey Graham 1%, Rick Santorum 0%, George Pataki 0%, Jim Gilmore 0%, No preference 1%
Opinion Savvy/Augusta Chronicle

Margin of error: ± 4.2%
Sample size: 536

December 16, 2015 Donald Trump
28.3%
Ted Cruz
21.1%
Marco Rubio
11.6%
Jeb Bush 9.6%, Ben Carson 9.5%, Chris Christie 5.5%, Carly Fiorina 4.6%, Rand Paul 2.6%, Mike Huckabee 2.1%, Lindsey Graham 1.9%, John Kasich 1.4%, Rick Santorum 0.5%, George Pataki 0.2%, Undecided 1.3%
Winthrop University Archived 2015-12-14 at the Wayback Machine

Margin of error: ± 3.4%
Sample size: 828

November 30 – December 7, 2015 Donald Trump
24%
Ted Cruz
16%
Ben Carson
14%
Marco Rubio 11%, Jeb Bush 9%, Mike Huckabee 2%, Lindsey Graham 2%, Carly Fiorina 1%, Rand Paul 1%, Chris Christie 1%, John Kasich 1%, Rick Santorum 0%, George Pataki 0%
Fox News

Margin of error: ± 4.5%
Sample size: 437

December 5–8, 2015 Donald Trump
35%
Ben Carson
15%
Marco Rubio/Ted Cruz
14%
Jeb Bush 5%, Rand Paul 2%, Lindsey Graham 2%, Chris Christie 2%, Carly Fiorina 1%, John Kasich 1%, Mike Huckabee 1%, Rick Santorum 1%, George Pataki 0%, None of the Above 1%, Don't Know 5%
CBS News/YouGov

Margin of error: ± 5.1%
Sample size: ?

November 15–19, 2015 Donald Trump
35%
Ben Carson
19%
Marco Rubio
16%
Ted Cruz 13%, Jeb Bush 5%, Lindsey Graham 3%, Carly Fiorina 2%, Mike Huckabee 2%, John Kasich 2%, Chris Christie 1%, Rand Paul 1%, Rick Santorum 1%, George Pataki 0%, Bobby Jindal 0%, Jim Gilmore 0%
Public Policy Polling

Margin of error: ± 3.5%
Sample size: 787

November 7–8, 2015 Donald Trump
25%
Ben Carson
21%
Ted Cruz
15%
Marco Rubio 13%, Jeb Bush 8%, Carly Fiorina 5%, John Kasich 3%, Lindsey Graham 2%, Mike Huckabee 2%, Rand Paul 1%, Chris Christie 1%, Rick Santorum 1%, Bobby Jindal 0%, Jim Gilmore 0%, George Pataki 0%, Undecided 3%
CBS News/YouGov

Margin of error: ± 3.4%
Sample size: 843

October 15–23, 2015 Donald Trump
40%
Ben Carson
23%
Ted Cruz
8%
Marco Rubio 7%, Jeb Bush 6%, Carly Fiorina 3%, Lindsey Graham 2%, Mike Huckabee 2%, John Kasich 2%, Rand Paul 1%, Chris Christie 1%, Bobby Jindal 1%, Rick Santorum 1%, Jim Gilmore 0%, George Pataki 0%, No Preference 5%
Clemson-Palmetto Archived 2015-10-29 at the Wayback Machine

Margin of error: ± 4%
Sample size: 600

October 13–23, 2015 Donald Trump
23%
Ben Carson
19%
Ted Cruz
8%
Carly Fiorina 6%, Jeb Bush 7%, Marco Rubio 5%, Lindsey Graham 3%, Rand Paul 1%, Mike Huckabee 2%, Chris Christie 1%, John Kasich 2%, Bobby Jindal 1%, Rick Santorum 0%, Jim Gilmore 0%, George Pataki 0%, undecided/DK 15%
CNN/ORC

Margin of error: ± 4.5%
Sample size: 521

October 3–10, 2015 Donald Trump
36%
Ben Carson
18%
Marco Rubio
9%
Carly Fiorina 7%, Jeb Bush 6%, Ted Cruz 5%, Lindsey Graham 5%, Rand Paul 4%, Mike Huckabee 3%, Chris Christie 2%, John Kasich 1%, Rick Santorum 1%, Jim Gilmore *%, George Pataki *% Bobby Jindal *%, None 1%, No opinion 4%
Gravis Marketing

Margin of error: ± 3.6%
Sample size: 762

October 1, 2015 Donald Trump
29.1%
Ben Carson
16.4%
Carly Fiorina
11.1%
Ted Cruz 8.1%, Marco Rubio 8%, Jeb Bush 5.9%, John Kasich 3.5%, Mike Huckabee 3.1%, Lindsey Graham 1.5%, Chris Christie 1.4%, Rand Paul 0.9%, Rick Santorum 0.5%, George Pataki 0.3% Bobby Jindal 0.3%, Unsure 9.9%
CBS News/YouGov

Margin of error: ± 4.5%
Sample size: 1002

September 3–10, 2015 Donald Trump
36%
Ben Carson
21%
Ted Cruz
6%
Lindsey Graham 5%, Jeb Bush 5%, John Kasich 4%, Mike Huckabee 3%, Carly Fiorina 3%, Marco Rubio 3%, Scott Walker 3%, Chris Christie 2%, Bobby Jindal 1%, Rick Santorum 1%, Rand Paul 1%, Rick Perry 0%, George Pataki 0%, Jim Gilmore 0%, No preference 5%
Public Policy Polling

Margin of error: ± 3.6%
Sample size: 764

September 3–6, 2015 Donald Trump
37%
Ben Carson
21%
Ted Cruz
6%
Jeb Bush 6%, Carly Fiorina 4%, John Kasich 4%, Marco Rubio 4%, Lindsey Graham 3%, Mike Huckabee 3%, Scott Walker 3%, Rand Paul 3%, Rick Santorum 2%, Rick Perry 1%, Chris Christie 1%, Bobby Jindal 1%, George Pataki 0%, Jim Gilmore 0%
Monmouth University Archived 2015-08-29 at the Wayback Machine

Margin of error: ± 4.6%
Sample size: 453

August 20–23, 2015 Donald Trump
30%
Ben Carson
15%
Jeb Bush
9%
Carly Fiorina 6%, Marco Rubio 6%, Ted Cruz 5%, Lindsey Graham 4%, Scott Walker 4%, John Kasich 3%, Mike Huckabee 3%, Rand Paul 3%, Chris Christie 2%, Rick Santorum 1%, Rick Perry 0%, George Pataki 0%, Bobby Jindal 0%, Jim Gilmore 0%, Undecided 11%
Opinion Savvy/Insider Advantage

Margin of error: ± 4.3%
Sample size: 509

August 3, 2015 Donald Trump
31.3%
Jeb Bush
13.9%
Ben Carson
9.9%
Mike Huckabee 8.5%, Lindsey Graham 6.5%, Scott Walker 5.8%, Ted Cruz 4.3%, Chris Christie 4.1%, John Kasich 3.1%, Marco Rubio 2.3%, Carly Fiorina 1.8%, Rand Paul 1.7%, Bobby Jindal 0.7%, Rick Perry 0.6%, Rick Santorum 0.1%, George Pataki 0%, Someone else 3.1%, Undecided 2.5%
Gravis Marketing

Margin of error: ± 4.0%
Sample size: 609

July 29–30, 2015 Donald Trump
34%
Ben Carson
10.9%
Jeb Bush
10.5%
Scott Walker 10.3%, Marco Rubio 6%, Mike Huckabee 5.5%, Lindsey Graham 4.9%, Ted Cruz 3.4%, John Kasich 3.3%, Chris Christie 2.5%, Rick Perry 2.5%, Carly Fiorina 2.4%, Rick Santorum 1.3%, Rand Paul 1%, Bobby Jindal 0.9%, George Pataki 0.7%
Morning Consult

Margin of error: ± 5.0%
Sample size: 389

May 31 – June 8, 2015 Lindsey Graham
14%
Ben Carson
12%
Jeb Bush
11%
Scott Walker 10%, Marco Rubio 8%, Mike Huckabee 7%, Ted Cruz 6%, Chris Christie 5%, Rand Paul 5%, Donald Trump 2%, Carly Fiorina 1%, Don't know/No Opinion/Refused 16%, Someone else 2%
Winthrop University Archived 2012-03-21 at the Wayback Machine

Margin of error: ± 3.2%
Sample size: 956

April 4–12, 2015 Scott Walker
13.6%
Jeb Bush
12.7%
Ted Cruz
8.1%
Lindsey Graham 7.6%, Rand Paul 6.2%, Chris Christie 5%, Ben Carson 4.9%, Mike Huckabee 4.9%, Marco Rubio 4%, Rick Perry 1.9%, Donald Trump 1.9%, Bobby Jindal 0.9%, Rick Santorum 0.3%, John Bolton 0.2%, Other 1.4%, Undecided 25.1%
Gravis Marketing

Margin of error: ± 3%
Sample size: 1,371

March 26–27, 2015 Scott Walker
17%
Jeb Bush
16%
Ted Cruz
13%
Lindsey Graham 9%, Mike Huckabee 7%, Chris Christie 6%, Marco Rubio 6%, Rand Paul 5%, Rick Santorum 2%, Carly Fiorina 2%, Undecided 18%
Gravis Marketing

Margin of error: ± 3%
Sample size: 792

February 24–25, 2015 Jeb Bush
19%
Scott Walker
17%
Lindsey Graham
12%
Mike Huckabee 10%, Chris Christie 8%, Rand Paul 6%, Marco Rubio 6%, Ted Cruz 2%, Carly Fiorina 2%, Rick Santorum 2%, Undecided 16%
Public Policy Polling

Margin of error: ± 4.3%
Sample size: 525

February 12–15, 2015 Jeb Bush
19%
Scott Walker
18%
Ben Carson
13%
Lindsey Graham 13%, Mike Huckabee 12%, Chris Christie 7%, Rand Paul 5%, Ted Cruz 3%, Rick Perry 3%, Other/Undecided 6%
NBC News/Marist

Margin of error: ± 4.6%
Sample size: 450

February 3–10, 2015 Lindsey Graham
17%
Jeb Bush
15%
Scott Walker
12%
Ben Carson 10%, Mike Huckabee 10%, Rand Paul 7%, Chris Christie 6%, Rick Perry 4%, Marco Rubio 4%, Rick Santorum 3%, Ted Cruz 1%, Undecided 11%
Gravis Marketing

Margin of error: ± 3%
Sample size: 831

January 21–22, 2015 Mitt Romney
20%
Jeb Bush
16%
Scott Walker
9%
Ted Cruz 8%, Mike Huckabee 8%, Rand Paul 7%, Marco Rubio 7%, Chris Christie 5%, Rick Perry 4%, Rick Santorum 4%, Undecided 12%
Jeb Bush
18%
Mike Huckabee
11%
Scott Walker
11%
Ted Cruz 9%, Marco Rubio 9%, Chris Christie 8%, Rand Paul 8%, Rick Perry 5%, Rick Santorum 4%, Undecided 17%
Clemson University Archived 2014-06-06 at the Wayback Machine

Margin of error: ± 6%
Sample size: 400

May 22–29, 2014 Jeb Bush
22%
Chris Christie
10%
Ted Cruz
9%
Rand Paul 9%, Marco Rubio 6%, Bobby Jindal 3%, Undecided/Don't know 48%
Gravis Marketing

Margin of error: ± 4%
Sample size: 735

March 6–7, 2014 Jeb Bush
22%
Mike Huckabee
19%
Chris Christie
12%
Ted Cruz 8%, Rand Paul 8%, Marco Rubio 6%, Scott Walker 5%, Rick Santorum 2%, Undecided 19%
Gravis Marketing

Margin of error: ± 4%
Sample size: 601

November 30 – December 2, 2013 Chris Christie
16.6%
Jeb Bush
16%
Mike Huckabee
15.8%
Ted Cruz 11.1%, Rand Paul 9.7%, Marco Rubio 7.2%, Rick Santorum 2.8%, Scott Walker 2.3%, Undecided 18.5%
Harper Polling

Margin of error: ± 5.03%
Sample size: 379

October 27–28, 2013 Chris Christie
19%
Ted Cruz
17%
Rand Paul
13%
Marco Rubio 12%, Paul Ryan 12%, Bobby Jindal 6%, Not sure 21%

South Dakota

Winner
Donald Trump
Primary date
June 7, 2016
Poll source Date 1st 2nd 3rd
Primary results June 7, 2016 Donald Trump
67.06%
Ted Cruz
16.99%
John Kasich
15.95%

Tennessee

Winner
Donald Trump
Primary date
March 1, 2016
Poll source Date 1st 2nd 3rd Other
Primary results March 1, 2016 Donald Trump
38.94%
Ted Cruz
24.71%
Marco Rubio
21.18%
Ben Carson 7.59%, John Kasich 5.29%, Jeb Bush 1.12%, Mike Huckabee 0.28%, Rand Paul 0.27%, Chris Christie 0.15%, Carly Fiorina 0.08%, Rick Santorum 0.08%, Jim Gilmore 0.03%, Lindsey Graham 0.03%, George Pataki 0.02%
SurveyMonkey[1]

Margin of error: ± ?% Sample size: 772

February 22–29, 2016 Donald Trump
48%
Marco Rubio
18%
Ted Cruz
15%
Ben Carson 10%, John Kasich 5%, Undecided 4%
NBC News/Wall Street
Journal/Marist[250]

Margin of error: ± 3.8%
Sample size: 665

February 22–25, 2016 Donald Trump
40%
Ted Cruz
22%
Marco Rubio
19%
Ben Carson 9%, John Kasich 6%
Vanderbilt/PSRA

Margin of error: 5.6%
Sample size: 495

November 11–23, 2015 Donald Trump
29%
Ben Carson
25%
Ted Cruz
14%
Marco Rubio 12%, Jeb Bush 6%, Carly Fiorina 2%, Undecided 7%, Other 4%, Wouldn't Vote 1%
Opinion Savvy/Insider Advantage

Margin of error: 4.6%
Sample size: 440

August 2–3, 2015 Donald Trump
35.3%
Ben Carson
14.5%
Jeb Bush
11.7%
Mike Huckabee 6.5%, Ted Cruz 6.2%, Scott Walker 5.8%, John Kasich 3.3%, Rand Paul 3%, Marco Rubio 2.8%, Chris Christie 1.7%, Carly Fiorina 1.7%, Bobby Jindal 1.4%, Rick Santorum 0.7%, George Pataki 0.3%, Lindsey Graham 0.2%, Rick Perry 0.2%, Someone else 1.3%, Undecided 3.5%

Texas

Winner
Ted Cruz
Primary date
March 1, 2016
Poll source Date 1st 2nd 3rd Other
Primary results March 1, 2016 Ted Cruz
43.76%
Donald Trump
26.75%
Marco Rubio
17.74%
John Kasich 4.25%, Ben Carson 4.16%, Jeb Bush 1.25%, Rand Paul 0.28%, Mike Huckabee 0.22%, Chris Christie 0.12%, Carly Fiorina 0.11%, Rick Santorum 0.07%, Lindsey Graham 0.06%
SurveyMonkey[1]

Margin of error: ± ?% Sample size: 613

February 22–29, 2016 Ted Cruz
33%
Donald Trump
31%
Marco Rubio
19%
Ben Carson 9%, John Kasich 5%, Undecided 4%
Fox News/Opinion Savvy[251]

Margin of error: ± 3.7% Sample size: 712

February 28, 2016 Ted Cruz
36.2%
Donald Trump
25.3%
Marco Rubio
19.2%
John Kasich 8.5%, Ben Carson 7.9%, Undecided 2.8%
ARG[252]

Margin of error: ± 5% Sample size: 400

February 26–28, 2016 Ted Cruz
33%
Donald Trump
32%
Marco Rubio
17%
John Kasich 7%, Ben Carson 6%, Undecided 5%
Emerson College[253]

Margin of error: ± 4.6%
Sample size: 449

February 26–28, 2016 Ted Cruz
35%
Donald Trump
32%
Marco Rubio
16%
John Kasich 9%, Ben Carson 4%
CBS/YouGov[61]

Margin of error: ± 5.6% Sample size: 796

February 22–26, 2016 Ted Cruz
42%
Donald Trump
31%
Marco Rubio
19%
John Kasich 4%, Ben Carson 4%
Monmouth University[254]

Margin of error: ± 4.6%
Sample size: 456

February 22–24, 2016 Ted Cruz
38%
Donald Trump
23%
Marco Rubio
21%
Ben Carson 6%, John Kasich 5%, Other 1%, Undecided 6%
Emerson College[255]

Margin of error: ± 4.6%
Sample size: 446

February 21–23, 2016 Ted Cruz
29%
Donald Trump
28%
Marco Rubio
25%
John Kasich 9%, Ben Carson 4%, Other 1%, Undecided 5%
NBC News/Wall Street
Journal/Marist[250]

Margin of error: ± 4.2%
Sample size: 537

February 18–23, 2016 Ted Cruz
39%
Donald Trump
26%
Marco Rubio
16%
Ben Carson 8%, John Kasich 6%
KTVT-CBS 11/
Dixie Strategies[256]

Margin of error: ± 3.64%
Sample size: 725

February 22, 2016 Ted Cruz
33.24%
Donald Trump
24.83%
Marco Rubio
14.76%
John Kasich 8%, Ben Carson 5.79%, Undecided 13.38%
TEGNA/SurveyUSA[257]

Margin of error: ± 3.9%
Sample size: 645

February 21–22, 2016 Ted Cruz
32%
Donald Trump
32%
Marco Rubio
17%
John Kasich 6%, Ben Carson 5%, Other 2%, Undecided 5%
Austin American-Statesman[258]

Margin of error: ± 4%
Sample size: 620

February 19–22, 2016 Ted Cruz
38%
Donald Trump
26%
Marco Rubio
13%
John Kasich 7%, Ben Carson 6%, Other 2%, Not Sure 7%
University of Houston[259]

Margin of error: ± 4.8%
Sample size: 415

February 12–22, 2016 Ted Cruz
35%
Donald Trump
20%
Marco Rubio
8%
Ben Carson 7%, Jeb Bush 5%, John Kasich 4%, Undecided 19%, Refused 2%
University of Texas/
Texas Tribune[260]

Margin of error: ± 4.21%
Sample size: 526

February 12–19, 2016 Ted Cruz
37%
Donald Trump
29%
Marco Rubio
15%
Jeb Bush 6%, John Kasich 5%, Ben Carson 4%, Rand Paul 2%, Carly Fiorina 1%, Rick Santorum 1%, Elizabeth Gray 1%
KTVT-CBS 11/
Dixie Strategies[261]

Margin of error: ± 3.1%
Sample size: 1001

January 25–26, 2016 Ted Cruz
30.27%
Donald Trump
25.27%
Marco Rubio
11.99%
Jeb Bush 8.19%, Ben Carson 5.29%, Chris Christie 3.3%, John Kasich 2.6%, Carly Fiorina 2.3%, Mike Huckabee 1.4%, Rand Paul 0.5%, Rick Santorum 0.3%, Jim Gilmore 0.1%, Undecided 8.49%
CBS/YouGov[262]

Margin of error: ± 4.4%
Sample size: 984

January 18–21, 2016 Ted Cruz
45%
Donald Trump
30%
Marco Rubio
8%
Ben Carson 5%, Jeb Bush 4%, Chris Christie 2%, Rand Paul 2%, Carly Fiorina 1%, Mike Huckabee 1%, John Kasich 1%, Jim Gilmore 0%, Rick Santorum 0%, No preference 1%
UT/Texas Tribune

Margin of error: ± 4.21%
Sample size: 542

October 30 – November 8, 2015 Ted Cruz
27%
Donald Trump
27%
Ben Carson
13%
Marco Rubio 9%, Jeb Bush 4%, Carly Fiorina 4%, Rand Paul 4%, Mike Huckabee 2%, Chris Christie 1%, Rick Santorum 1%, John Kasich 1%, Bobby Jindal 0%, George Pataki 0%, Lindsey Graham 0%, Jim Gilmore 0%, No opinion 5%, Other 2%, Undecided 10%
CBS-DFW

Margin of error: ± 3.02%
Sample size: 1051

October 23–24, 2015 Ben Carson
22.93%
Donald Trump
22.17%
Ted Cruz
14.27%
Jeb Bush 12.65%, Marco Rubio 6.57%, Carly Fiorina 4.57%, Mike Huckabee 3.14%, Chris Christie 2.47%, Rand Paul 1.33%, Undecided 9.90%
Texas Lyceum

Margin of error: ± 6.01%
Sample size: 231

September 8–21, 2015 Donald Trump
21%
Ted Cruz
16%
Ben Carson
12%
Jeb Bush 10%, Carly Fiorina 6%, Marco Rubio 3%, Mike Huckabee 2%, Rick Perry 1%, Rand Paul 1%, John Kasich 1%, Bobby Jindal 1%, Rick Santorum 1%, George Pataki 1%, Lindsey Graham 0%, Chris Christie 0%, Jim Gilmore 0%, Scott Walker 0%, No opinion 5%
Gravis Marketing

Margin of error: ± 3%
Sample size: 976

August 20, 2015 Donald Trump
24%
Ted Cruz
16%
Ben Carson
12%
Jeb Bush 9%, Carly Fiorina 5%, Marco Rubio 5%, Rick Perry 4%, Mike Huckabee 4%, Scott Walker 4%, Other/Unsure 16%
Opinion Savvy/Insider Advantage

Margin of error: ± 4.3%
Sample size: 504

August 2–3, 2015 Ted Cruz
20%
Donald Trump
19.4%
Jeb Bush
16.9%
Ben Carson 10.5%, Scott Walker 6.9%, Mike Huckabee 3.9%, John Kasich 3.7%, Bobby Jindal 2.5%, Marco Rubio 2.4%, Rick Perry 2.3%, Rand Paul 2.2%, Carly Fiorina 2.1%, Chris Christie 1.5%, Lindsey Graham 0.9%, George Pataki 0.3%, Rick Santorum 0.3%, Other 2%, Undecided 2.6%
UoT/Texas Tribune

Margin of error: ± 4.75%
Sample size: 504

June 5–14, 2015 Ted Cruz
20%
Rick Perry
12%
Scott Walker
10%
Marco Rubio 8%, Jeb Bush 7%, Ben Carson 6%, Rand Paul 6%, Mike Huckabee 5%, Carly Fiorina 3%, Rick Santorum 2%, Donald Trump 2%, Chris Christie 1%, Bobby Jindal 1%, John Kasich 1%, Lindsey Graham 1%, George Pataki 0%, No opinion 15%
UoT/Texas Tribune

Margin of error: ± 4.19%
Sample size: 547

February 6–15, 2015 Ted Cruz
20%
Scott Walker
19%
Jeb Bush
9%
Ben Carson 9%, Rick Perry 8%, Mike Huckabee 5%, Rand Paul 4%, Marco Rubio 4%, Sarah Palin 3%, Chris Christie 2%, Bobby Jindal 1%, John Kasich 1%, Rick Santorum 1%, John Bolton 0%, Carly Fiorina 0%, Lindsey Graham 0%, Undecided 13%
UoT/Texas Tribune

Margin of error: ± 4.14%
Sample size: 560

October 10–19, 2014 Ted Cruz
27%
Rick Perry
14%
Ben Carson
10%
Jeb Bush 7%, Mike Huckabee 7%, Rand Paul 7%, Paul Ryan 4%, Chris Christie 3%, Marco Rubio 3%, Bobby Jindal 2%, Scott Walker 2%, Rick Santorum 1%, John Kasich 0%, Undecided 11%
UoT/Texas Tribune

Margin of error: ± 4.37%
Sample size: 504

May 30 – June 8, 2014 Ted Cruz
33%
Rand Paul
9%
Mike Huckabee
8%
Jeb Bush 7%, Rick Perry 7%, Marco Rubio 6%, Paul Ryan 6%, Scott Walker 4%, Chris Christie 3%, Bobby Jindal 2%, Rick Santorum 1%, Undecided 13%
Public Policy Polling

Margin of error: ± 5.7%
Sample size: 294

April 10–13, 2014 Ted Cruz
25%
Jeb Bush
14%
Mike Huckabee
10%
Rand Paul 10%, Rick Perry 10%, Chris Christie 5%, Paul Ryan 5%, Bobby Jindal 4%, Marco Rubio 4%, Other/Undecided 12%
UoT/Texas Tribune

Margin of error: ± 4.21%
Sample size: 543

February 7–17, 2014 Ted Cruz
28%
Rand Paul
10%
Rick Perry
10%
Jeb Bush 8%, Paul Ryan 8%, Bobby Jindal 6%, Marco Rubio 6%, Scott Walker 6%, Chris Christie 4%, Rick Santorum 4%, Undecided 12%
Public Policy Polling

Margin of error: ± 5%
Sample size: 388

November 1–4, 2013 Ted Cruz
32%
Jeb Bush
13%
Chris Christie
13%
Rand Paul 10%, Bobby Jindal 6%, Marco Rubio 5%, Paul Ryan 5%, Rick Perry 3%, Rick Santorum 3%, Someone Else/Undecided 10%
Public Policy Polling

Margin of error: ± 5.5%
Sample size: 318

June 28 – July 1, 2013 Ted Cruz
27%
Jeb Bush
15%
Chris Christie
11%
Rand Paul 11%, Paul Ryan 9%, Rick Perry 7%, Marco Rubio 6%, Rick Santorum 4%, Bobby Jindal 3%, Someone Else/Undecided 8%
UoT/Texas Tribune

Margin of error: ± 5.27%
Sample size: 492

May 31 – June 9, 2013 Ted Cruz
25%
Rand Paul
13%
Marco Rubio
11%
Rick Perry 10%, Chris Christie 8%, Paul Ryan 8%, Rick Santorum 2%, Bobby Jindal 2%, Don't Know 21%
Public Policy Polling

Margin of error: ± 4.9%
Sample size: 400

Jan. 24–27, 2013 Marco Rubio
21%
Mike Huckabee
14%
Rand Paul
13%
Jeb Bush 11%, Paul Ryan 11%, Chris Christie 9%, Bobby Jindal 4%, Rick Perry 4%, Susana Martinez 2%, Someone Else/Undecided 10%

Utah

Winner
Ted Cruz
Primary date
March 22, 2016
Poll source Date 1st 2nd 3rd Other
Caucus results March 22, 2016 Ted Cruz
69.17%
John Kasich
16.81%
Donald Trump
14.03%
Y2 Analytics[263]

Margin of error: ± 4.38%
Sample size: 500

March 17–19, 2016 Ted Cruz
53%
John Kasich
29%
Donald Trump
11%
Other 2%, Undecided 5%
Dan Jones and Associates[264]

Margin of error: ± 7%
Sample size: 215

March 8–15, 2016 Ted Cruz
42%
Donald Trump
21%
Marco Rubio 17% John Kasich 13%, Undecided 7%
Dan Jones and Associates[265]

Margin of error: ± 3.92%
Sample size: 625

February 10–15, 2016 Marco Rubio
24%
Ted Cruz
22%
Donald Trump
18%
Jeb Bush 9%, Ben Carson 9%, John Kasich 4%, Other 2%, Undecided 11%
Salt Lake Tribune/SurveyUSA[266]

Margin of error: ± 4.9%
Sample size: 989

January 6–13, 2016 Ted Cruz
18%
Donald Trump
17%
Ben Carson
15%
Marco Rubio 15%, Jeb Bush 7%, Carly Fiorina 5%, Rand Paul 4%, Chris Christie 2%, John Kasich 1%, Rick Santorum 0%, Mike Huckabee 0%, Undecided 16%
Dan Jones and Associates[267]

Margin of error: ± 3.93%
Sample size: 622

December 8–14, 2015 Ted Cruz
20%
Ben Carson
18%
Marco Rubio
18%
Donald Trump 12%, Other/Don't know ?%
Dan Jones and Associates Archived 2015-09-23 at the Wayback Machine

Margin of error: ± 4%
Sample size: 604

September 8–17, 2015 Ben Carson
23%
Donald Trump
15%
Jeb Bush
12%
Other/Don't know ?%
Dan Jones and Associates

Margin of error: ± ?
Sample size: ?

July 14–21, 2015 Jeb Bush
22%
Scott Walker
11%
Marco Rubio
9%
Donald Trump 8%, Other/Don't know ?%
Dan Jones & Associates

Margin of error: ±4.86%
Sample size: 406

March 3–5, 2015 Jeb Bush
14%
Scott Walker
12%
Rand Paul
12%
Marco Rubio 5%, Chris Christie 4%, Lindsey Graham 2%, Bobby Jindal 1%, Other/Don't know 50%

Vermont

Winner
Donald Trump
Primary date
March 1, 2016
Poll source Date 1st 2nd 3rd Other
Primary results March 1, 2016 Donald Trump
32.34%
John Kasich
30.01%
Marco Rubio
19.08%
Ted Cruz 9.61%, Ben Carson 4.13%, Jeb Bush 1.79%, Rand Paul 0.68%, Chris Christie 0.58%, Carly Fiorina 0.34%, Rick Santorum 0.27%
Castleton University/Vermont
Public Radio[268]

Margin of error: ± 9.01% Sample size: 118

February 3–17, 2016 Donald Trump
32.4%
Marco Rubio
16.9%
Ted Cruz
10.5%
John Kasich 10.0%, Jeb Bush 7.7%, Ben Carson 3.1%, Chris Christie 2.4%, Carly Fiorina 1.0%, Rick Santorum 0.6%, Someone else 3.3%, Not sure/Don't know 12.1%

Virginia

Winner
Donald Trump
Primary date
March 1, 2016
Poll source Date 1st 2nd 3rd Other
Primary results March 1, 2016 Donald Trump
34.80%
Marco Rubio
31.98%
Ted Cruz
16.69%
John Kasich 9.54%, Ben Carson 5.87%, Jeb Bush 0.36%, Rand Paul 0.28%, Mike Huckabee 0.14%, Chris Christie 0.11%, Carly Fiorina 0.09%, Jim Gilmore 0.06%, Lindsey Graham 0.04%, Rick Santorum 0.04%
SurveyMonkey[1]

Margin of error: ± ?% Sample size: 848

February 22–29, 2016 Donald Trump
36%
Marco Rubio
26%
Ted Cruz
13%
Ben Carson 11%, John Kasich 7%, Undecided 8%
CBS/YouGov[269]

Margin of error: ± 8.6% Sample size: 481

February 22–26, 2016 Donald Trump
40%
Marco Rubio
27%
Ted Cruz
22%
John Kasich 6%, Ben Carson 4%, Undecided 1%
Monmouth University[270]

Margin of error: ± 4.8% Sample size: 421

February 22–24, 2016 Donald Trump
41%
Marco Rubio
27%
Ted Cruz
14%
John Kasich 7%, Ben Carson 7%, Undecided 4%
Roanoke College[271]

Margin of error: ± 4.5% Sample size: 466

February 16–24, 2016 Donald Trump
38%
Ted Cruz
15%
Marco Rubio
13%
John Kasich 8%, Ben Carson 8%, Undecided 19%
Christopher Newport University[272]

Margin of error: ± 5.6%
Sample size: 368

February 3–14, 2016 Donald Trump
28%
Marco Rubio
22%
Ted Cruz
19%
Ben Carson 7%, John Kasich 7%, Jeb Bush 4%, Chris Christie 4%, Carly Fiorina 2%, Jim Gilmore <1%, Someone else 1%, Undecided 6%
University of Mary Washington

Margin of error: ± ?%
Sample size: 333

November 4–9, 2015 Ben Carson
29%
Donald Trump
24%
Marco Rubio
11%
Ted Cruz 10%, Jeb Bush 5%, Carly Fiorina 5%, Rand Paul 4%, Chris Christie 4%, Mike Huckabee 4%, John Kasich 1%, Jim Gilmore 0%, Don't know 2%
Christopher Newport University

Margin of error: ± 5.1%
Sample size: 412

September 29 – October 8, 2015 Donald Trump
23%
Ben Carson
17%
Marco Rubio
14%
Carly Fiorina 13%, Jeb Bush 9%, Ted Cruz 5%, Chris Christie 4%, Mike Huckabee 3%, John Kasich 2%, Rand Paul 2%, Lindsey Graham 1%, Bobby Jindal <1%, George Pataki <1%, Rick Santorum <1%, Jim Gilmore <1%, Someone else 1%, Undecided 5%
Opinion Savvy/Insider Advantage

Margin of error: ± 4.1%
Sample size: 504

August 2–3, 2015 Donald Trump
27.9%
Jeb Bush
14.8%
Scott Walker
10.1%
Ben Carson 8%, Carly Fiorina 6.8%, Ted Cruz 6.4%, Rand Paul 5.1%, Marco Rubio 3.5%, John Kasich 3.2%, Chris Christie 3.1%, Rick Perry 2.3%, Mike Huckabee 1.5%, Bobby Jindal 1%, Lindsey Graham 0.7%, George Pataki 0.7%, Rick Santorum 0%, Someone else 1.8%, Undecided 3.2%
Public Policy Polling

Margin of error: ± 4.4%
Sample size: 502

July 13–15, 2015 Jeb Bush
18%
Donald Trump
14%
Scott Walker
14%
Ben Carson 10%, Mike Huckabee 8%, Marco Rubio 7%, Chris Christie 5%, Ted Cruz 5%, Carly Fiorina 5%, Rand Paul 5%, Bobby Jindal 3%, Rick Perry 2%, Jim Gilmore 1%, Lindsey Graham 1%, John Kasich 1%, Rick Santorum 1%, George Pataki 0%, Someone else/Not sure 3%
Christopher Newport University

Margin of error: ± ?
Sample size: ?

April 13–24, 2015 Jeb Bush
17%
Marco Rubio
16%
Chris Christie
10%
Rand Paul 10%, Scott Walker 10%, Ben Carson 7%, Ted Cruz 7%, Mike Huckabee 6%, Donald Trump 5%, Bobby Jindal 2%, Carly Fiorina 1%, John Kasich <1%, Rick Perry <1%, Rick Santorum <1%, Someone else <1%, Undecided 7%
Christopher Newport University

Margin of error: ± 3.6%
Sample size: 794

January 30 – February 10, 2015 Jeb Bush
21%
Scott Walker
16%
Chris Christie
10%
Mike Huckabee 10%, Ben Carson 9%, Rand Paul 6%, Marco Rubio 6%, Paul Ryan 5%, Ted Cruz 3%, John Kasich 3%, Bobby Jindal 2%, Mike Pence 1%, Rick Perry 1%, Rob Portman 1%, Rick Santorum 1%, Someone else 1%, Undecided 4%
Christopher Newport University

Margin of error: ± 5.3%
Sample size: 338

February 23–28, 2014 Chris Christie
19%
Jeb Bush
18%
Mike Huckabee
13%
Paul Ryan 13%, Ted Cruz 9%, Rand Paul 7%, Marco Rubio 4%, Scott Walker 3%, Undecided 13%
University of Mary Washington

Margin of error: ±?
Sample size: ?

September 25–29, 2013 Chris Christie
20%
Jeb Bush
10%
Rand Paul
10%
Paul Ryan 8%, Marco Rubio 7%, Ted Cruz 5%, None 14%, Don't know 19%
Public Policy Polling

Margin of error: ±4.8%
Sample size: 415

July 11–14, 2013 Jeb Bush
16%
Chris Christie
16%
Rand Paul
15%
Marco Rubio 12%, Paul Ryan 11%, Ted Cruz 9%, Bob McDonnell 8%, Bobby Jindal 4%, Rick Santorum 2%, Someone Else/Undecided 7%
Public Policy Polling

Margin of error: ±4.4%
Sample size: 500

May 24–26, 2013 Marco Rubio
17%
Chris Christie
15%
Jeb Bush
14%
Bob McDonnell 12%, Rand Paul 10%, Ted Cruz 8%, Paul Ryan 8%, Bobby Jindal 3%, Rick Santorum 2%, Someone Else/Undecided 11%
Chris Christie
20%
Marco Rubio
20%
Jeb Bush
17%
Paul Ryan 10%, Rand Paul 9%, Ted Cruz 8%, Bobby Jindal 3%, Rick Santorum 2%, Someone Else/Undecided 10%
University of Mary Washington

Margin of error: ±?
Sample size: ?

March 20–24, 2013 Chris Christie
18%
Bob McDonnell
12%
Rand Paul
11%
Paul Ryan 11%, Marco Rubio 9%, Jeb Bush 8%, Other 1%, None 10%, Don't know 17%

Washington

Winner
Donald Trump
Primary date
May 24, 2016
Poll source Date 1st 2nd 3rd Other
Primary results May 10, 2016 Donald Trump
75.82%
Ted Cruz
10.48%
John Kasich
9.81%
Ben Carson 3.89%
Townhall/Gravis Insights

Margin of error: ± 4%
Sample size: 523

May 18–19, 2015 Rand Paul
13.2%
Scott Walker
12.4%
Jeb Bush
11.5%
Marco Rubio 11.3%, Ben Carson 7.6%, Chris Christie 6%, Ted Cruz 5%, Mike Huckabee 5%, Carly Fiorina 3%, Rick Santorum 2%, Unsure 23%
Public Policy Polling

Margin of error: ± 5.1%
Sample size: 372

May 14–17, 2015 Scott Walker
18%
Marco Rubio
15%
Mike Huckabee
13%
Ted Cruz 11%, Jeb Bush 10%, Ben Carson 10%, Chris Christie 6%, Rand Paul 5%, Rick Perry 3%, Someone else/Not sure 7%

West Virginia

Winner
Donald Trump
Primary date
May 10, 2016
Poll source Date 1st 2nd 3rd Other
Primary results May 10, 2016 Donald Trump
77.01%
Ted Cruz
8.98%
John Kasich
6.74%
Ben Carson 2.17%, Marco Rubio 1.43%, Jeb Bush 1.14%, Rand Paul 0.89%, Mike Huckabee 0.87%, Chris Christie 0.36%, Carly Fiorina 0.33%
R.L. Repass & Partners/MetroNews[273]

Margin of error: ± 4%
Sample size: 228

April 22– May 2, 2016 Donald Trump
57%
Ted Cruz
25%
John Kasich
14%
Undecided 4%
Public Policy Polling[274]

Margin of error: ± 4.2%
Sample size: 549

April 29– May 1, 2016 Donald Trump
61%
Ted Cruz
22%
John Kasich
14%
Undecided 3%
Metro News[275]

Margin of error: ± ?%
Sample size: 159

February 11–16, 2016 Donald Trump
40%
Ted Cruz
20%
Marco Rubio
15%
Ben Carson 10%, John Kasich 6%, Jeb Bush 4%, Carly Fiorina <1%, Chris Christie <1%, Not Sure 4%
Orion Strategies

Margin of error: ± 4.9%
Sample size: 406

August 25, 2015 Donald Trump
29%
Marco Rubio
8%
Ben Carson
7%
Jeb Bush 7%, Mike Huckabee 7%, Ted Cruz 5%, Scott Walker 2%, Carly Fiorina 2%, John Kasich 1%, Rand Paul 1%, Undecided 32%
Harper Polling Archived 2015-07-09 at the Wayback Machine

Margin of error: ± 6.3%
Sample size: 242

April 9–11, 2015 Jeb Bush
23%
Mike Huckabee
20%
Scott Walker
13%
Ben Carson 8%, Ted Cruz 8%, Rand Paul 7%, Chris Christie 5%, Marco Rubio 4%, Rick Santorum 1%, Undecided 11%

Wisconsin

Winner
Ted Cruz
Primary date
April 5, 2016


Poll source Date 1st 2nd 3rd Other
Primary results April 5, 2016 Ted Cruz
48.20%
Donald Trump
35.02%
John Kasich
14.10%
Marco Rubio 0.96%, Ben Carson 0.51%, Jeb Bush 0.28%, Rand Paul 0.23%, Mike Huckabee 0.13%, Chris Christie 0.11%, Carly Fiorina 0.07%, Rick Santorum 0.05%, Jim Gilmore 0.02%
ARG[276]

Margin of error: ± 5% Sample size: 400

April 1–3, 2016 Donald Trump
42%
Ted Cruz
32%
John Kasich 23% Undecided 3%
Emerson College[277]

Margin of error: ± 4.1% Sample size: 549

March 30 - April 3, 2016 Ted Cruz
40%
Donald Trump
35%
John Kasich
21%
Undecided 4%
CBS News/YouGov[170]

Margin of error: ± 5.7% Sample size: 675

March 29-April 1, 2016 Ted Cruz
43%
Donald Trump
37%
John Kasich
18%
Other/Don't Know 2%
Fox Business News[278]

Margin of error: ± 3.5% Sample size: 742

March 28–30, 2016 Ted Cruz
42%
Donald Trump
32%
John Kasich
19%
Other 1%, Don't Know 5%
Loras College[279]

Margin of error: ± 4.8% Sample size: 416

March 28–30, 2016 Ted Cruz
38%
Donald Trump
31%
John Kasich
18%
Undecided 13%
Public Policy Polling[280]

Margin of error: ± 3.5% Sample size: 768

March 28–29, 2016 Ted Cruz
38%
Donald Trump
37%
John Kasich
17%
Undecided 9%
Marquette University[281]

Margin of error: ± 5.8% Sample size: 471

March 24–28, 2016 Ted Cruz
39.6%
Donald Trump
30.4%
John Kasich
21.4%
Someone Else 0.3%, Undecided 7.7%
Optimus[282]

Margin of error: ± 1.1% Sample size: 6182

March 20–24, 2016 Donald Trump
29.4%
John Kasich
27.1%
Ted Cruz
25%
Undecided 18.6%
Emerson College[283]

Margin of error: ± 4.6% Sample size: 439

March 20–22, 2016 Ted Cruz
36%
Donald Trump
35%
John Kasich
19%
Undecided 10%
Marquette University[284]

Margin of error: ± 7.5% Sample size: 297

February 18–21, 2016 Donald Trump
30%
Marco Rubio
20%
Ted Cruz
19%
Ben Carson 8%, John Kasich 8%, Jeb Bush 3%, Undecided 10%
Marquette University[285]

Margin of error: ± 6.5% Sample size: 313

January 21–24, 2016 Donald Trump
24%
Marco Rubio
18%
Ted Cruz
16%
Ben Carson 8%, Chris Christie 5%, Rand Paul 3%, Carly Fiorina 3%, Jeb Bush 2%, John Kasich 2%, Mike Huckabee 1%, Rick Santorum 0%, Undecided 17%
Marquette University

Margin of error: ± 6.6%
Sample size: 326

November 12–15, 2015 Ben Carson
22%
Donald Trump
19%
Marco Rubio
19%
Ted Cruz 9%, Jeb Bush 6%, Carly Fiorina 5%, Chris Christie 4%, Rand Paul 1%, Mike Huckabee 1%, John Kasich 1%, George Pataki <0.5%, Jim Gilmore <0.5%, Someone else 0.6%, Undecided 9.8%
Marquette University

Margin of error: ± 6.5%
Sample size: 321

September 24–28, 2015 Donald Trump
20.1%
Ben Carson
16.2%
Marco Rubio
14.4%
Carly Fiorina 10.8%, Jeb Bush 6.6%, Ted Cruz 5.1%, Rand Paul 4.5%, Mike Huckabee 3.4%, Chris Christie 3.1%, John Kasich 2.8%, Rick Santorum 1.2%, Bobby Jindal 0.5%, George Pataki 0.4%, Jim Gilmore 0.2%, Someone else 0.6%, Undecided 9.8%
Marquette University

Margin of error: ± 6.6%
Sample size: 334

August 13–16, 2015 Scott Walker
25%
Ben Carson
13%
Donald Trump
9%
Ted Cruz 8%, Carly Fiorina 7%, Marco Rubio 7%, Jeb Bush 6%, Mike Huckabee 4%, Bobby Jindal 2%, Chris Christie 2%, Rand Paul 2%, Rick Perry 1%, John Kasich 1%, Jim Gilmore 1%, Rick Santorum 1%, George Pataki 0%, Lindsey Graham 0%
Marquette University

Margin of error: ± 5.6%
Sample size: 319

April 7–10, 2015 Scott Walker
40%
Rand Paul
10.3%
Jeb Bush
7.9%
Ted Cruz 6%, Chris Christie 5.8%, Mike Huckabee 5.1%, Ben Carson 5%, Marco Rubio 3.8%, Bobby Jindal 2.3%, Rick Santorum 1.9%, Carly Fiorina 0.5%, Rick Perry 0.5%, Someone else 1.7%, Don't know 8.9%
Public Policy Polling

Margin of error: ± 4.6%
Sample size: 461

March 6–8, 2015 Scott Walker
53%
Ben Carson
12%
Jeb Bush
8%
Rand Paul 6%, Marco Rubio 6%, Chris Christie 4%, Mike Huckabee 3%, Ted Cruz 2%, Rick Perry 1%, Undecided 5%
Public Policy Polling

Margin of error: ± 4.3%
Sample size: 522

April 17–20, 2014 Paul Ryan
25%
Scott Walker
21%
Chris Christie
8%
Mike Huckabee 8%, Rand Paul 8%, Ted Cruz 7%, Jeb Bush 6%, Marco Rubio 6%, Bobby Jindal 3%, Someone else/Not sure 8%
Magellan Strategies

Margin of error: ± ?
Sample size: ?

April 14–15, 2014 Scott Walker
37%
Rand Paul
12%
Ted Cruz
9%
Mike Huckabee 9%, Jeb Bush 8%, Marco Rubio 8%, Chris Christie 4%, John Kasich 1%, Undecided 12%
Marquette University Law School

Margin of error: ± 5%
Sample size: 337

October 21–27, 2013 Scott Walker
28.9%
Paul Ryan
24.6%
Marco Rubio
9.3%
Chris Christie 8.6%, Rand Paul 8.4%, Ted Cruz 4.3%, Jeb Bush 2.4%, Someone else 4.2%, Don't know 8.9%
Public Policy Polling

Margin of error: ± 4.6%
Sample size: 447

September 13–16, 2013 Paul Ryan
27%
Scott Walker
14%
Chris Christie
12%
Marco Rubio 10%, Ted Cruz 9%, Jeb Bush 8%, Rand Paul 8%, Bobby Jindal 3%, Rick Santorum 3%, Someone else/Not sure 5%
Paul Ryan
33%
Chris Christie
14%
Jeb Bush
11%
Rand Paul 11%, Ted Cruz 10%, Marco Rubio 9%, Rick Santorum 6%, Bobby Jindal 3%, Someone else/Not sure 5%
Scott Walker
37%
Chris Christie
13%
Jeb Bush
11%
Ted Cruz 10%, Rand Paul 10%, Marco Rubio 9%, Rick Santorum 4%, Bobby Jindal 2%, Someone else/Not sure 3%
Paul Ryan
47%
Scott Walker
38%
Not sure 15%
Marquette University Law School

Margin of error: ± 5.8%
Sample size: 302

May 6–9, 2013 Paul Ryan
27.1%
Marco Rubio
21.2%
Scott Walker
16.1%
Chris Christie 10.6%, Rand Paul 6.9%, Jeb Bush 4.6%, Bobby Jindal 0.8%, Someone Else 1.6%, Don't Know 10.5%
Public Policy Polling

Margin of error: ± 3.8%
Sample size: 679

February 21–24, 2013 Paul Ryan
35%
Marco Rubio
22%
Chris Christie
10%
Rand Paul 8%, Mike Huckabee 7%, Jeb Bush 5%, Bobby Jindal 3%, Susana Martinez 1%, Rick Perry 1%, Someone Else/Undecided 8%
Scott Walker
33%
Marco Rubio
27%
Chris Christie
10%
Mike Huckabee 7%, Rand Paul 6%, Jeb Bush 5%, Bobby Jindal 3%, Susana Martinez 2%, Rick Perry 0%, Someone Else/Undecided 8%

Wyoming

Poll source Date 1st 2nd 3rd Other
Convention results March 12, 2016 Ted Cruz
66.3%
Marco Rubio
19.5%
Donald Trump
7.2%
John Kasich 0.0%, Uncommitted 7.0%, Other 0.0%
Public Policy Polling

Margin of error: ±3.5%
Sample size: 780

July 19–21, 2013 Rand Paul
19%
Chris Christie
14%
Jeb Bush
13%
Paul Ryan 11%, Ted Cruz 9%, Marco Rubio 9%, Rick Santorum 4%, Bobby Jindal 3%, Susana Martinez 1%, Other/Undecided 18%
Harper Polling

Margin of error: ±4.77%
Sample size: 422

July 17–18, 2013 Paul Ryan
15%
Rand Paul
12%
Jeb Bush
10%
Chris Christie 10%, Marco Rubio 10%, Ted Cruz 5%, Rick Santorum 3%, Bobby Jindal 2%, Scott Walker 1%, Undecided 33%

See also

General election polling
  • Nationwide opinion polling for the United States presidential election, 2016
  • Nationwide opinion polling for the United States presidential election by demographics, 2016
  • Statewide opinion polling for the United States presidential election, 2016
Democratic primary polling
  • Nationwide opinion polling for the Democratic Party 2016 presidential primaries
  • Statewide opinion polling for the Democratic Party presidential primaries, 2016
Republican primary polling
  • Nationwide opinion polling for the Republican Party 2016 presidential primaries

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