Senators
|
Party
|
Years served
|
Electoral history
|
Counties represented
|
District established January 6, 1851
|
Selim E. Woodworth (Monterey)
|
Nonpartisan
|
January 6, 1851 – January 5, 1852
|
Redistricted from the Monterey district and re-elected in 1850. [data missing]
|
Monterey, Santa Cruz
|
Philip A. Roach (Monterey)
|
Democratic
|
January 5, 1852 – January 2, 1854
|
Elected in 1851. [data missing]
|
B. C. Whiting (Santa Cruz)
|
Democratic
|
January 2, 1854 – January 1, 1855
|
Elected in 1853. Retired to run for Attorney General.
|
Sherman Day (Berkeley)
|
Democratic
|
January 1, 1855 – January 5, 1857
|
Elected in 1854. [data missing]
|
Alameda, Santa Clara
|
Samuel B. Bell (Alameda)
|
Republican
|
January 5, 1857 – January 3, 1859
|
Elected in 1856. [data missing]
|
R. A. Redman (Oakland)
|
Democratic
|
January 3, 1859 – January 7, 1861
|
Elected in 1858. [data missing]
|
Augustus Rhodes (San Jose)
|
Republican
|
January 7, 1861 – January 6, 1862
|
Elected in 1860. [data missing]
|
Santa Clara
|
Thomas Baker (Tulare)
|
Democratic
|
January 6, 1862 – December 7, 1863
|
Elected in 1861. [data missing]
|
Fresno, Tulare
|
J. W. Freeman (Bakersfield)
|
Democratic
|
December 7, 1863 – December 6, 1869
|
Elected in 1863. Re-elected in 1865. Re-elected in 1867. [data missing]
|
Fresno, Kern, Tulare
|
Thomas Fowler (Visalia)
|
Democratic
|
December 6, 1869 – December 1, 1873
|
Elected in 1868. [data missing]
|
Tipton Lindsey (Visalia)
|
Independent
|
December 1, 1873 – December 6, 1875
|
Elected in 1873. [data missing]
|
W. A. Eakin (Sonora)
|
Democratic
|
December 6, 1875 – December 3, 1877
|
Redistricted from the ]
|
Inyo, Mono, Tuolumne
|
Thomas Fowler (Visalia)
|
Democratic
|
December 3, 1877 – January 5, 1880
|
Elected in 1877. [data missing]
|
Fresno, Inyo, Kern, Mono, Tulare
|
Chester Rowell (Fresno)
|
Republican
|
January 5, 1880 – January 8, 1883
|
Elected in 1879. [data missing]
|
Fresno, Madera
|
Fresno
|
Patrick Reddy (Bodie)
|
Democratic
|
January 8, 1883 – January 3, 1887
|
Elected in 1882. [data missing]
|
Fresno, Inyo, Kern, Mono, Tulare
|
Albert F. Jones (Oroville)
|
Democratic
|
January 3, 1887 – January 5, 1891
|
Elected in 1886. [data missing]
|
Butte
|
Vacant
|
January 5, 1891 – January 20, 1891
|
Senator-elect Charles L. Pond (R–Nord) died of pneumonia on November 30, 1890.
|
Wanton A. Shippee (Oroville)
|
Republican
|
January 20, 1891 – January 2, 1899
|
Elected to finish vacant term. Re-elected in 1894. [data missing]
|
Butte, Tehama
|
W. F. Maggard (Corning)
|
Republican
|
January 2, 1899 – January 5, 1903
|
Elected in 1888. [data missing]
|
John B. Sanford (Ukiah)
|
Democratic
|
January 5, 1903 – January 7, 1907
|
Elected in 1902. Lost re-election.
|
Colusa, Glenn, Lake, Mendocino
|
C. M. Hammond (Upper Lake)
|
Republican
|
January 7, 1907 – January 2, 1911
|
Elected in 1906. [data missing]
|
John B. Sanford (Ukiah)
|
Democratic
|
January 2, 1911 – January 4, 1915
|
Elected in 1910. [data missing]
|
Claude F. Purkitt (Willows)
|
Democratic
|
January 4, 1915 – January 8, 1923
|
Elected in 1914. Re-elected in 1918. [data missing]
|
Fred C. Handy (Ukiah)
|
Republican
|
January 8, 1923 – September 23, 1930
|
Elected in 1922. Re-elected in 1926. Died.
|
Vacant
|
September 23, 1930 – January 5, 1931
|
|
R. R. Ingels (Potter Valley)
|
Republican
|
January 5, 1931 – January 7, 1935
|
Elected in 1930. [data missing]
|
Lake, Mendocino
|
George M. Biggar (Covelo)
|
Republican
|
January 7, 1935 – January 6, 1947
|
Elected in 1934. Re-elected in 1938. Re-elected in 1942. [data missing]
|
Burt W. Busch (Lakeport)
|
Republican
|
January 6, 1947 – January 3, 1955
|
Elected in 1946. Re-elected in 1950. Retired.
|
James E. Busch (Ukiah)
|
Republican
|
January 3, 1955 – January 5, 1959
|
Elected in 1954. Lost re-election.
|
Waverly J. Slattery (Finley)
|
Democratic
|
January 5, 1959 – January 7, 1963
|
Elected in 1958. Retired.
|
Frank S. Petersen (Fort Bragg)
|
Democratic
|
January 7, 1963 – January 2, 1967
|
Elected in 1962. Retired to become a Justice of the Del Norte County Superior Court.
|
John F. McCarthy (San Rafael)
|
Republican
|
January 2, 1967 – January 4, 1971
|
Redistricted from the ]
|
Marin, Napa, Solano
|
Peter H. Behr (San Rafael)
|
Republican
|
January 2, 1971 – November 30, 1974
|
Elected in 1970. Redistricted to the 2nd district .
|
John F. Dunlap (Napa)
|
Democratic
|
December 2, 1974 – November 30, 1978
|
Redistricted from the 5th district and re-elected in 1974. Lost re-election.
|
Napa, Sacramento, Solano, Sonoma, Yolo
|
Jim Nielsen (Woodland)
|
Republican
|
December 4, 1978 – November 30, 1990
|
Elected in 1978. Re-elected in 1982. Re-elected in 1986. Lost re-election.
|
Butte, Colusa, Glenn, Lake, Napa, Shasta, Sonoma, Tehama, Trinity, Yolo
|
Mike Thompson (St. Helena)
|
Democratic
|
December 3, 1990 – May 20, 1993
|
2nd district .
|
Butte, Colusa, Glenn, Lake, Napa, Shasta, Sonoma, Tehama
|
Vacant
|
May 20, 1993 – November 12, 1993
|
|
Maurice Johannessen (Redding)
|
Republican
|
November 12, 1993 – November 30, 2002
|
Elected to finish Thompson's term. Re-elected in 1994. Re-elected in 1998. Termed out.
|
Butte, Colusa, Glenn, Sacramento, Shasta, Siskiyou, Solano, Sutter, Tehama, Trinity
|
Sam Aanestad (Grass Valley)
|
Republican
|
December 2, 2002 – November 30, 2010
|
Elected in 2002. Re-elected in 2006. Termed out.
|
Butte, Colusa, Del Norte, Glenn, Nevada, Placer, Shasta, Siskiyou, Sutter, Tehama, Trinity, Yuba
|
Doug LaMalfa (Oroville)
|
Republican
|
December 6, 2010 – September 1, 2012
|
Elected in 2010. Resigned to run for U.S. House of Representatives.
|
Vacant
|
September 1, 2012 – January 10, 2013
|
|
Jim Nielsen (Red Bluff)
|
Republican
|
January 10, 2013 – November 30, 2022
|
1st district and termed out.
|
Butte, Colusa, Glenn, Placer, Sacramento, Sutter, Tehama, Yuba
|
Marie Alvarado-Gil (Jackson)
|
Democratic
|
December 5, 2022 – present
|
Elected in 2022.
|
Alpine, Amador, Calaveras, El Dorado, Inyo, Madera, Mariposa, Merced, Mono, Nevada, Placer, Stanislaus, Tuolumne
|