Dewey County, Oklahoma Demographics 2026

Population Overview

Dewey County is located in Oklahoma with a total population of 4,433. It is the 71st most populous county out of 77 in Oklahoma.

Age Demographics

The median age in Dewey County is 38.0 years. This is 3% higher than the state median of 36.9 years.

Economy, Income & Housing

The median household income in Dewey County is $60,550. This is 5% lower than the state median of $63,603. Compared to the national median of $78,538, household income here is 23% lower. The poverty rate stands at 14.4%. This is 6% lower than the state poverty rate of 15.3%. The unemployment rate is 4.5%. This is 9% lower than the state rate of 4.9%. The median home value is $118,200. Housing costs are 36% lower than the state median of $185,900. With a home-value-to-income ratio of just 2.0x, Dewey County is one of the most affordable housing markets in the area. 74.7% of occupied housing units are owner-occupied. This homeownership rate is 13% higher than the state average of 65.8%.

Race & Ethnicity

The largest racial or ethnic group in Dewey County is White (non-Hispanic), making up 81.1% of the population. Hispanic or Latino residents account for 6.0%. The Black or African American population (0.0%) is well below the state average of 6.9%. The Hispanic or Latino population (6.0%) is well below the state average of 12.3%. The Asian population (0.1%) is well below the state average of 2.3%.

Education

19.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 29% 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 92.6%.