Oklahoma City is the capital and the largest city in the state of Oklahoma. The county seat of Oklahoma County, the city ranks 31st among United States cities in population. The city's population, from the 2010 census, was 579,999, with a metro-area population of 1,252,987 . In 2010, the Oklahoma City-Shawnee Combined Statistical Area had a population of 1,322,249 residents. Oklahoma City's city limits extend into Canadian county, Cleveland, and Pottawatomie counties, though much of those areas outside of the core Oklahoma County area are suburban or rural . The city ranks as the eighth-largest city in the United States by land area .
History of Oklahoma City Oklahoma City was settled on April 23, 1889, when the area known as the "unassigned lands" was opened for European-American settlement in an event known as "The Land Run". Some 10,000 homesteaders settled the area that would become the capital of Oklahoma. The town grew quickly; the population doubled between 1890 and 1900. Early leaders of the development of the city included Anton Classen, John Shartel, Henry Overholser and James W. Maney.