What Is the Largest County in Oklahoma?

The largest county in Oklahoma is Cleveland County. It covers an area of 1,742 square miles and had a population of 538,955 as of the 2010 census. With more than 50 municipalities and townships to explore, it’s easy to see why so many Oklahomans call this place home. Located just south of Norman, Cleveland County has plenty for families looking for that perfect family-friendly community with excellent schools and lots of amenities to enjoy. From parks that are ideal for kids’ games or picnics to golf courses that offer challenging play for adults, there’s always something fun happening here! If you are looking for a family-friendly community with lots of affordable housing options, excellent schools, and low crime rates, then consider moving to Nellis Township.

Notable neighborhoods include Penn Crossing, Greenfield Acres, University Park Estates, Waterford Place, Water Oak Place, Red Oak Estates, Cedar Grove Heights.

Cleveland County is also home to the popular themed amusement park Frontier City. The park offers roller coasters, thrill rides, and an Old West town with gunfights and other shows. Frontier City is like a real-life representation of classic Western films and has been named as one of the top ten best amusement parks in the nation by The Travel Channel.


Frontier City Theme Park, Lake Thunderbird State Park, Oklahoma City Golf Courses


Churches representing many denominations can be found throughout Cleveland County, including: Baptist, Methodist, Presbyterian, and Catholic.


As the largest county in Oklahoma with over half a million residents, Cleveland County is home to some of the best schools in the state. The most well-known high school is Southmoore High School (Enid), which was ranked as one of the top high schools in America by Newsweek. Hillcrest High School, which is just south of the city of Mooreville, has also earned its place on Newsweek’s list for two consecutive years due to its 97% graduation rate and 100% college readiness score.

Cleveland County schools are all part of the Moore Public School District – Southmoore Schools.

There are also many excellent post-secondary schools located in this area, including the University of Oklahoma’s Health Sciences Center, the University of Central Oklahoma, and Cameron University.


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