Washington County, Oklahoma Demographics 2026

Population Overview

Washington County is located in Oklahoma with a total population of 53,326. It is the 14th most populous county out of 77 in Oklahoma. The county encompasses 6 Census-designated places.

Age Demographics

The median age in Washington County is 39.2 years. This is 6% higher than the state median of 37.0 years.

Economy, Income & Housing

The median household income in Washington County is $60,162. This is 7% lower than the state median of $65,039. It is also 25% lower than the national median of $80,734. The poverty rate stands at 16.1%. This is 5% higher than the state poverty rate of 15.3%. The unemployment rate is 4.4%. This is 12% lower than the state rate of 5.0%. The median home value is $173,200. Housing costs are 13% lower than the state median of $199,800. With a home-value-to-income ratio of just 2.9x, Washington County is one of the most affordable housing markets in the area. 71.9% of occupied housing units are owner-occupied. This homeownership rate is 9% higher than the state average of 65.8%.

Race & Ethnicity

The largest racial or ethnic group in Washington County is White (non-Hispanic), making up 70.2% of the population. Hispanic or Latino residents account for 6.9%. The Black or African American population (2.4%) is well below the state average of 6.8%.

Education

30.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 6% 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 92.6%.

Data Sources & Methodology

All figures for Washington 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.