Oklahoma County, Oklahoma Oklahoma County, Oklahoma 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 (known commonly as
Oklahoma State Highway 37 Oklahoma State Highway 37 State Highway 37 (abbreviated SH-37) is a designation for two separate highways in the state of Oklahoma. The northern section runs between Hinton and Moore in central Oklahoma, while the southern section runs from the Texas state line at the Red River to Idabel, in southeastern Oklahoma. The northern section of SH-37 runs from US-281 in Hinton to Sunnylane Road (former SH-77H) in Moore. The southern section of SH-37 is long. The SH-37 in Central Oklahoma begins at US-281 in Hinton, Caddo County. It runs in a zigzag pattern for to the southeast before crossing into