Grant County, Oklahoma Demographics 2026

Population Overview

Grant County is located in Oklahoma with a total population of 4,137. It is the 72nd most populous county out of 77 in Oklahoma.

Age Demographics

The median age in Grant County is 42.9 years. This is 16% higher than the state median of 36.9 years. 10.0% 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 Grant County is $61,824. This is 3% lower than the state median of $63,603. Compared to the national median of $78,538, household income here is 21% lower. The poverty rate stands at 13.5%. This is 12% lower than the state poverty rate of 15.3%. The unemployment rate is 4.0%. This is 17% lower than the state rate of 4.9%. The median home value is $79,500. Housing costs are 57% lower than the state median of $185,900. With a home-value-to-income ratio of just 1.3x, Grant County is one of the most affordable housing markets in the area. 75.1% of occupied housing units are owner-occupied. This homeownership rate is 14% higher than the state average of 65.8%.

Race & Ethnicity

Grant County has a predominantly White (non-Hispanic) population, comprising 86.1% of all residents. Hispanic or Latino residents account for 4.6%. The Black or African American population (2.1%) is well below the state average of 6.9%. The Hispanic or Latino population (4.6%) is well below the state average of 12.3%. The Asian population (0.2%) is well below the state average of 2.3%.

Education

22.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 18% 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 91.2%.