Harper County, Oklahoma Demographics 2026

Population Overview

Harper County is located in Oklahoma with a total population of 3,231. It is the 75th most populous county out of 77 in Oklahoma.

Age Demographics

The median age in Harper County is 41.3 years. This is 12% higher than the state median of 36.9 years.

Economy, Income & Housing

The median household income in Harper County is $59,191. This is 7% lower than the state median of $63,603. Compared to the national median of $78,538, household income here is 25% lower. The poverty rate stands at 15.9%. This is 4% higher than the state poverty rate of 15.3%. The unemployment rate is 2.1%. This is 56% lower than the state rate of 4.9%. The median home value is $99,300. Housing costs are 47% lower than the state median of $185,900. With a home-value-to-income ratio of just 1.7x, Harper County is one of the most affordable housing markets in the area. 80.3% of occupied housing units are owner-occupied. This homeownership rate is 22% higher than the state average of 65.8%.

Race & Ethnicity

The largest racial or ethnic group in Harper County is White (non-Hispanic), making up 72.3% of the population. Hispanic or Latino residents account for 23.3%. The Black or African American population (0.1%) is well below the state average of 6.9%. The Hispanic or Latino population is significantly higher than the state average (23.3% vs 12.3%). The Asian population (0.1%) is well below the state average of 2.3%.

Education

26.6% of residents aged 25 and older hold a bachelor's degree or higher. This is 4% 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 87.6%.