Marion County, Kansas

Marion County, Kansas, had an estimated population of 11,634 in 2025 across 2,446 km². The figures below come from the US Census Bureau's population estimates and the American Community Survey, each shown with its own vintage and its rank among Kansas's counties and nationally.

Population
11,634
2025 estimate
Area
2,446 km²
Density
5
per km²
Median income
$64,695
household, ACS 2024
Median age
43.5
years, ACS 2024
How Kansas's counties spread
Amenities & Infrastructure
IndicatorValue
Households with Broadband202485.4%
Median Gross Rent2024$727
Median Home Value2024$124,200
Owner-Occupied Homes202481.3%
Vacant Homes202416.6%
Demography
IndicatorValue
Aged 65 and Over202423.7%
American Indian & Alaska Native20240.5%
Asian, non-Hispanic20240.4%
Average Household Size2024people2.3
Black, non-Hispanic20240.9%
Foreign-Born20241.0%
Hispanic or Latino20244.2%
Median Age2024years43.5
Sex Ratio2024per 1,000 males974
Speak a Language Other Than English20242.2%
Under 18202421.1%
Veterans20245.8%
White, non-Hispanic202490.9%
Economy
IndicatorValue
Below Poverty Line20249.2%
Households on SNAP20246.1%
Income Inequality2024index0.440
Median Household Income2024$64,695
Per Capita Income2024$35,893
Unemployment Rate20243.4%
Education
IndicatorValue
Bachelor's Degree or Higher202430.4%
High School or Higher202492.0%
Health Coverage
IndicatorValue
No Health Insurance20246.8%
With a Disability202413.7%
Population & Density
IndicatorValue
Population202511,634
Population Density2025/km²5
Work & Commute
IndicatorValue
Commute by Public Transit20240.0%
Households with No Vehicle20243.5%
Mean Commute Time2024minutes22
Work from Home20248.2%
Compare Marion County against every other county on a map, add layers and run a scatter — open the atlas. Sources and vintages for every figure on this page are listed under datasets, or browse all 3,144 counties.