Delaware County, Oklahoma Demographics 2026

Population Overview

Delaware County is located in Oklahoma with a total population of 41,017. It is the 25th most populous county out of 77 in Oklahoma.

Age Demographics

The median age in Delaware County is 47.0 years. This is 27% higher than the state median of 36.9 years. 10.5% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The median household income in Delaware County is $55,114. This is 13% lower than the state median of $63,603. Compared to the national median of $78,538, household income here is 30% lower. The poverty rate stands at 18.6%. This is 21% higher than the state poverty rate of 15.3%. The unemployment rate is 4.8%. This is 1% lower than the state rate of 4.9%. The median home value is $164,900. Housing costs are 11% lower than the state median of $185,900. The home-value-to-income ratio is 3.0x. 75.9% of occupied housing units are owner-occupied. This homeownership rate is 15% higher than the state average of 65.8%.

Race & Ethnicity

The largest racial or ethnic group in Delaware County is White (non-Hispanic), making up 62.6% of the population. Hispanic or Latino residents account for 4.3%. The Black or African American population (0.4%) is well below the state average of 6.9%. The Hispanic or Latino population (4.3%) is well below the state average of 12.3%.

Education

19.2% of residents aged 25 and older hold a bachelor's degree or higher. This is 31% 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 87.4%.