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residents and a land area of 68,667 square miles (177,847 km²), Oklahoma is the 28th most populous and 20th-largest state. Its name is derived from the Choctaw words okla and humma, meaning "red people", and is known informally by its nickname, The Sooner State. Formed from Indian Territory on November 16, 1907, Oklahoma was the 46th state to enter the union. Its citizens are known as Oklahomans, and the state's capital and largest city is Oklahoma City.
A major producer of
Tulsa serve as Oklahoma's primary economic anchors, with nearly 60 percent of Oklahomans living in their metropolitan statistical areas
.
With small mountain ranges,
cattle drives, a destination for southern settlers, and a government-sanctioned territory
for Native Americans.