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 164 Oklahoma State Highway 164 State Highway 164 (abbreviated SH-164) is a state highway in north-central Oklahoma. It runs from SH-74 in Covington to U.S. Route 77 (US-77) west of Perry. SH-164 is long. It has no lettered spur routes. The route of SH-164 was initially served by US-64. The highway was assigned the SH-164 designation when US-64 was realigned around 1971. SH-164 begins on the southern fringes of Covington at a junction with SH-74. The highway heads east-southeast from this point, paralleling a rail line. About away from the terminus, the highway breaks away from the railroad, heading on a