Seminole County, Oklahoma Demographics 2026

Population Overview

Seminole County is located in Oklahoma with a total population of 23,550. It is the 37th most populous county out of 77 in Oklahoma.

Age Demographics

The median age in Seminole County is 39.2 years. This is 6% higher than the state median of 36.9 years.

Economy, Income & Housing

The median household income in Seminole County is $46,191. This is 27% lower than the state median of $63,603. Compared to the national median of $78,538, household income here is 41% lower. The poverty rate stands at 22.4%. This is 46% higher than the state poverty rate of 15.3%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The unemployment rate is 7.1%. This is 46% higher than the state rate of 4.9%. The median home value is $91,200. Housing costs are 51% lower than the state median of $185,900. With a home-value-to-income ratio of just 2.0x, Seminole County is one of the most affordable housing markets in the area. 69.6% of occupied housing units are owner-occupied. This homeownership rate is 6% higher than the state average of 65.8%.

Race & Ethnicity

The largest racial or ethnic group in Seminole County is White (non-Hispanic), making up 62.7% of the population. Hispanic or Latino residents account for 5.4%. The Hispanic or Latino population (5.4%) is well below the state average of 12.3%. The Asian population (0.4%) is well below the state average of 2.3%.

Education

15.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 46% lower than the state rate of 27.8%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 85.3%.