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Oklahoma County

Oklahoma County, Oklahoma
Oklahoma City OK Oklahoma County Courthouse (Taken 20120926).jpg
Seal of Oklahoma County, Oklahoma
Seal
Map of Oklahoma highlighting Oklahoma County
Location in the U.S. state of Oklahoma
Map of the United States highlighting Oklahoma
Oklahoma's location in the U.S.
Founded 1890
Seat Oklahoma City
Largest city Oklahoma City
Area
 • Total 718 sq mi (1,860 km2)
 • Land 709 sq mi (1,836 km2)
 • Water 9.6 sq mi (25 km2), 1.3%
Population (est.)
 • (2015) 776,864
 • Density 1,095.7/sq mi (423/km²)
Congressional districts 4th, 5th
Time zone Central: UTC-6/-5
Website www.oklahomacounty.org

Oklahoma County is a county located in the central part of the U.S. state of Oklahoma. As of the 2010 census, the population was 718,633, making it the most populous county in Oklahoma. The county seat is Oklahoma City, the state capital.

Oklahoma County is at the heart of the Oklahoma City Metropolitan Statistical Area.

Oklahoma County is one of seven counties in the United States to share the same name as the state it is located in (the other six counties are Arkansas County, Hawaii County, Idaho County, Iowa County, New York County, and Utah County).

Oklahoma County was originally called County Two and was one of seven counties established by the Organic Act of 1890.

County business initially took place in a building at the intersection of California Avenue and Robinson Street until the construction of the first Oklahoma County Courthouse at 520 West Main Street in the 1900s. In 1937, the county government was moved to a building at 321 Park Avenue, which now serves only as the county courthouse.

According to the U.S. Census Bureau, the county has a total area of 718 square miles (1,860 km2), of which 709 square miles (1,840 km2) is land and 9.6 square miles (25 km2) (1.3%) is water.

As of the Census of 2010, there were 718,633 people, 277,615 households, and 172,572 families residing in the county. The population density was 1,013 people per square mile (391/km²). There were 319,828 housing units at an average density of 416 per square mile (161/km²). The racial makeup of the county was 64.6% White, 15.4% Black or African American, 3.5% Native American, 3% Asian, 0.1% Pacific Islander, 8.1% from other races, and 5.3% from two or more races. 15.1% of the population were Hispanic or Latino of any race. 12.4% were of German, 12.3% Mexican, 10.1% Irish, 7.9% English, and 7.7% American ancestries according to the Census 2010. 84.4% spoke English and 11.5% Spanish as their first language.


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