Cleveland County, Oklahoma Demographics 2026

Population Overview

Cleveland County is located in Oklahoma with a total population of 300,047. It is the 3rd most populous county out of 77 in Oklahoma. The county encompasses 7 Census-designated places.

Age Demographics

The median age in Cleveland County is 35.4 years. This is 4% lower than the state median of 37.0 years.

Economy, Income & Housing

The median household income in Cleveland County is $77,068. This is 18% higher than the state median of $65,039. It is also 5% lower than the national median of $80,734. The poverty rate stands at 12.9%. This is 16% lower than the state poverty rate of 15.3%. The unemployment rate is 4.8%. This is 3% lower than the state rate of 5.0%. The median home value is $235,700. Housing costs are 18% higher than the state median of $199,800. The home-value-to-income ratio is 3.1x. 63.9% of occupied housing units are owner-occupied. This homeownership rate is 3% lower than the state average of 65.8%.

Race & Ethnicity

The largest racial or ethnic group in Cleveland County is White (non-Hispanic), making up 67.2% of the population. Hispanic or Latino residents account for 11.0%. The Asian population is significantly higher than the state average (4.7% vs 2.4%).

Education

36.2% of residents aged 25 and older hold a bachelor's degree or higher. This places Cleveland County in the top 10% of all counties in the state for educational attainment. This is 28% higher than the state rate of 28.3%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 92.4%.

Data Sources & Methodology

All figures for Cleveland County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Oklahoma and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.