Doniphan County, Kansas
Located in Kansas, Doniphan County has a population of 7,503 residents and a median age of 41.1 years, making it the #2,693 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 9.6%. The median home value is $135,200, and the median household income is $74,028, which is 1% below the national median.
Demographics
Doniphan County has a population of 7,503, making it the #2,693 most populous county in the US. The median age is 41.1 years, which is 5.7% 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 Doniphan County is $74,028, ranking #908 out of 3,222 counties — 1.5% below the national median. The poverty rate is 9.6% and unemployment stands at 1.6%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Doniphan County is $135,200 (-52.0% vs national). Renters pay a median of $776/mo and the homeownership rate is 81.1%.
Median Home Value Trend
Rankings →Household Type
Education
In Doniphan County, 21.7% of adults age 25+ hold a bachelor's degree or higher, which is 35.5% below the national average, ranking #1,695 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Doniphan County is 76.8 years. 16.7% of adults report poor or fair health and 9.3% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
19.4% of adults in Doniphan County smoke , 39.0% are obese , and 19.2% report excessive drinking.
Adult Smoking Trend
Safety
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Families & Children
15.2% of children in Doniphan County live in poverty . The teen birth rate is 11.3 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Doniphan County is 60.9%. The mean commute time is 23.6 min, which is 14.4% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Doniphan County voted Republican with a margin of 63.5%. The vote was 17.5% Dem / 81% Rep. Compared to 2020, the margin shifted 1.7 toward Republicans .
Vote Share Over Time
About Doniphan County, Kansas
Doniphan County, Kansas has a total population of 7,503, making it the 2,693rd most populous county in the United States. The median age in Doniphan County is 41.1 years, which is 5.7% above the national median of 38.9 years.
The median household income in Doniphan County is $74,028, which ranks #908 of 3,222 counties nationwide. This is 1.5% below the national median of $75,149. The poverty rate is 9.6%, lower than the national rate of 12.6%. The unemployment rate stands at 1.6%.
The median home value in Doniphan County is $135,200, 52.0% below the national median. Renters in Doniphan County pay a median gross rent of $776 per month. The homeownership rate is 81.1%, compared to the national rate of 64.4%.
In Doniphan County, 21.7% of residents aged 25 and older hold a bachelor's degree or higher, 35.5% below the national average of 33.7%. Health insurance coverage stands at 93.6% of the population. The average commute time for workers is 23.6 min.
Doniphan County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 88.0% of the population, followed by Two or More Races (5.1%) and Hispanic or Latino (3.5%).
All data for Doniphan County, Kansas 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.