Oklahoma County, Oklahoma

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Oklahoma County is a county located in the central part of the U.S. state of Oklahoma. The population was 660,448 at the 2000 census. The county seat and principal city is Oklahoma City[1]. Oklahoma County is at the heart of the Oklahoma City Metropolitan Statistical Area and is the most populous county in the state.

Oklahoma County is one of seven US counties to share its name with its state (the others are Arkansas County, Arkansas, Hawaii County, Hawaii, Idaho County, Idaho, Iowa County, Iowa, New York County, New York and Utah County, Utah).



Oklahoma County was originally called County Two and was one of seven counties established by the Organic Act of 1890.[2]

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.[3]


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 (1,837 km²) is land and 9 square miles (24 km²) (1.28%) is water.

Major highways

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