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 65 the only remaining gravel section of Highway 65 was the portion between SH-53 and the Comanche County line. The route was completely paved by 1966. Oklahoma State Highway 65 State Highway 65, usually known as SH-65 or OK-65 (or simply Highway 65) is a north–south highway in Oklahoma. SH-65 travels 44.4 miles (71 km) from US-70 east of Randlett to State Highway 17 in Sterling. It has no lettered routes. State Highway 65 begins at US-70 east of Randlett in Cotton County. From there, it heads north towards Temple. On the western outskirts of that town, SH-65 meets SH-5, and