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 52 been decommissioned. Oklahoma State Highway 52 State Highway 52 (abbreviated SH-52) is two once-connected highways in the U.S. state of Oklahoma. There are no lettered spur routes from either of them. The southern SH-52 is a short, state highway in McIntosh County, Oklahoma. It connects State Highway 9 to the town of Hanna. The northern SH-52 runs for from US-266 northeast of Grayson to SH-16. Along the way it intersects US-62 near Morris. At one time, at least as recently as 1972, the two sections of SH-52 were connected by a dirt section running from SH-9 to US-266. This section