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 5 Oklahoma State Highway 5 State Highway 5 (SH-5 or OK-5) is the name assigned to two distinct state highways in the U.S state of Oklahoma. One runs for through extreme southwestern Oklahoma, passing through Harmon and Jackson Counties. The other is long and runs through southwest Oklahoma, connecting US-283 south of Altus to US-70 at Waurika. The western SH-5 begins at U.S. Highway 62 in Gould, Oklahoma and runs south until just past Lincoln, where it turns east. It then ends at State Highway 6 in Eldorado, just seven miles (11 km) north of the Texas border. The western SH-5