Adair County, Oklahoma Demographics 2026

Population Overview

Adair County is located in Oklahoma with a total population of 19,595. It is the 41st most populous county out of 77 in Oklahoma.

Age Demographics

The median age in Adair County is 38.1 years. This is 3% higher than the state median of 36.9 years.

Economy, Income & Housing

The median household income in Adair County is $48,028. This is 24% lower than the state median of $63,603. Compared to the national median of $78,538, household income here is 39% lower. The poverty rate stands at 21.6%. This is 41% 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 7.0%. This is 42% higher than the state rate of 4.9%. The median home value is $111,500. Housing costs are 40% lower than the state median of $185,900. With a home-value-to-income ratio of just 2.3x, Adair County is one of the most affordable housing markets in the area. 68.0% of occupied housing units are owner-occupied. This homeownership rate is 3% higher than the state average of 65.8%.

Race & Ethnicity

Adair County is a highly diverse community where no single racial or ethnic group constitutes a majority of the population. Hispanic or Latino residents account for 6.8%. The Black or African American population (0.3%) is well below the state average of 6.9%.

Education

11.8% of residents aged 25 and older hold a bachelor's degree or higher. This is among the lowest rates in the state, which may correlate with employment and income patterns. This is 58% 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 82.8%.