Kay County, Oklahoma Demographics 2026

Population Overview

Kay County is located in Oklahoma with a total population of 43,731. It is the 22nd most populous county out of 77 in Oklahoma.

Age Demographics

The median age in Kay County is 38.3 years. This is 4% higher than the state median of 36.9 years.

Economy, Income & Housing

The median household income in Kay County is $56,673. This is 11% lower than the state median of $63,603. Compared to the national median of $78,538, household income here is 28% lower. The poverty rate stands at 15.5%. This is 1% higher than the state poverty rate of 15.3%. The unemployment rate is 6.0%. This is 22% higher than the state rate of 4.9%. The median home value is $116,800. Housing costs are 37% lower than the state median of $185,900. With a home-value-to-income ratio of just 2.1x, Kay County is one of the most affordable housing markets in the area. 67.7% of occupied housing units are owner-occupied. This homeownership rate is 3% higher than the state average of 65.8%.

Race & Ethnicity

The largest racial or ethnic group in Kay County is White (non-Hispanic), making up 71.3% of the population. Hispanic or Latino residents account for 8.8%. The Black or African American population (2.0%) is well below the state average of 6.9%. The Asian population (0.5%) is well below the state average of 2.3%.

Education

18.5% of residents aged 25 and older hold a bachelor's degree or higher. This is 33% 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 90.5%.