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 17A of the highway belongs to Garvin County, while land south of the highway falls into Murray County. The route ends at an intersection with US-77 south of Wynnewood. SH-17A first appeared on the 1983 official state map. The highway's route was identical to the present-day route; no changes have occurred since its commissioning. Oklahoma State Highway 17A State Highway 17A (SH-17A) is a long long state highway in south-central Oklahoma. It connects Interstate 35 (I-35) to U.S. Route 77 (US-77) near Wynnewood. It does not connect to its implied parent, State Highway 17. SH-17A was established around 1982, and has