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 145 Oklahoma State Highway 145 State Highway 145, abbreviated as SH-145 or OK-145, is a short, highway in Garvin County, Oklahoma. It connects Interstate 35 at its west end to US-77 in Paoli at its east end. It does not have any spur routes. State Highway 145 begins at Exit 79 along Interstate 35 in northern Garvin County. From this point, it heads east along Davis Avenue until it reaches the town of Paoli. The route ends at US-77 in the center of the town. "TO Interstate 35" signage is also present along westbound SH-145. State Highway 145 was added to