Canadian County, OK
Canadian County covers an area of 906 mi² and is found in central Oklahoma. In 2018, the population was 144,447. Established in 1890, the county was named for the Canadian River. The last great battle between the U.S. Army, the Cheyenne, and Arapaho people took place in this county. El Reno is the county seat.
Comanche County, OK
Comanche County was named for the Comanche tribe and established in 1907. It covers an area of 1,084 mi² and has a population of 120,422. The area experiences an average of 33 inches of rain, 3 inches of snow and 243 days of sunshine per year.
Cleveland County, OK
Cleveland County was named for Grover Cleveland, a former U.S. President. The county covers an area of 558 mi², making it the 7th smallest county in Oklahoma. The county was established in 1855 and has a population of 281,669. The county seat is currently located in Norman.
Oklahoma County, OK
Established in 1890, Oklahoma County shares it's name with the state - one of only 7 counties in the U.S. to do so. Covering an area of 718 mi², the area experiences an average of 36 inches of rain, 6 inches of snow, and 231 days of sunshine per year. It's the most populous county in Oklahoma with a population of 792,582. The county seat, Oklahoma City, is also the state capital.
Tulsa County, OK
With a population of 648,360 in an area of 587 mi², Tulsa County is the most densely populated county in Oklahoma. Nestled between the Osage Hills, Ozark Mountains, and Arkansas Riber - Tulsa County is part of an area called "Green Country". Tulsa, the county seat, is considered the center of cultural and arts in Oklahoma. Tulsa County was established in 1907.