Seminole County, Oklahoma

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Seminole County is in central Oklahoma. Its county seat is Wewoka, and it was founded in 1907. The county covers about 640 square miles, mostly land, with rivers forming its northern and southern borders.

As of the 2020 census, about 23,556 people live in Seminole County. The population is diverse: roughly 61% White, 20% American Indian or Alaska Native, 4% Black, and 13% two or more races. About 5% are Hispanic or Latino. The median age is around 40 years; about 24% are under 18 and 18% are 65 or older. About two-thirds of households own their homes.

History and economy
Much of the county was part of the Seminole Nation reservation. In the 1920s, oil booms brought rapid growth. The Greater Seminole Field became one of Oklahoma’s most important oil fields and is still producing today. From 1926 to 1936, the area produced a large share of the state’s oil. The Maud field, discovered in 1927, helped pioneer modern oil exploration.

The Seminole County Courthouse was built in 1927.

Education
The county includes Justice Public School, the elementary school district.

Health
Life expectancy and overall health outcomes in Seminole County have historically been lower than many other Oklahoma counties.