Harper County, Oklahoma
Located in Oklahoma, Harper County has a population of 3,203 residents and a median age of 40.9 years, making it the #3,025 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 13.1%. The median home value is $99,200, and the median household income is $64,053, which is 15% below the national median.
Demographics
Harper County has a population of 3,203, making it the #3,025 most populous county in the US. The median age is 40.9 years, which is 5.1% above the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Geographic Mobility (Past Year)
Economy
The median household income in Harper County is $64,053, ranking #1,700 out of 3,222 counties — 14.8% below the national median. The poverty rate is 13.1% and unemployment stands at 2.6%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Harper County is $99,200 (-64.8% vs national). Renters pay a median of $828/mo and the homeownership rate is 83.6%.
Median Home Value Trend
Rankings →Household Type
Education
In Harper County, 29.3% of adults age 25+ hold a bachelor's degree or higher, which is 12.9% below the national average, ranking #815 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Harper County is 78.2 years. 20.4% of adults report poor or fair health and 18.4% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
15.8% of adults in Harper County smoke , 43.2% are obese , and 16.0% report excessive drinking.
Adult Smoking Trend
Safety
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Families & Children
16.7% of children in Harper County live in poverty . The teen birth rate is 12.5 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Harper County is 60.6%. The mean commute time is 21.6 min, which is 21.6% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Harper County voted Republican with a margin of 78.4%. The vote was 10.1% Dem / 88.5% Rep. Compared to 2020, the margin shifted +1.7 toward Democrats .
Vote Share Over Time
About Harper County, Oklahoma
Harper County, Oklahoma has a total population of 3,203, making it the 3,025th most populous county in the United States. The median age in Harper County is 40.9 years, which is 5.1% above the national median of 38.9 years.
The median household income in Harper County is $64,053, which ranks #1,700 of 3,222 counties nationwide. This is 14.8% below the national median of $75,149. The poverty rate is 13.1%, higher than the national rate of 12.6%. The unemployment rate stands at 2.6%.
The median home value in Harper County is $99,200, 64.8% below the national median. Renters in Harper County pay a median gross rent of $828 per month. The homeownership rate is 83.6%, compared to the national rate of 64.4%.
In Harper County, 29.3% of residents aged 25 and older hold a bachelor's degree or higher, 12.9% below the national average of 33.7%. Health insurance coverage stands at 85.9% of the population. The average commute time for workers is 21.6 min.
Harper County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 70.8% of the population, followed by Hispanic or Latino (24.5%) and Two or More Races (3.2%).
All data for Harper County, Oklahoma comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.