Kearny County, Kansas
Located in Kansas, Kearny County has a population of 3,864 residents and a median age of 37.1 years, making it the #2,975 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 4.5%. The median home value is $200,900, and the median household income is $89,135, which is 19% above the national median.
Demographics
Kearny County has a population of 3,864, making it the #2,975 most populous county in the US. The median age is 37.1 years, which is 4.6% below 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 Kearny County is $89,135, ranking #324 out of 3,222 counties — 18.6% above the national median. The poverty rate is 4.5% and unemployment stands at 2.2%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Kearny County is $200,900 (-28.7% vs national). Renters pay a median of $1,056/mo and the homeownership rate is 71.7%.
Median Home Value Trend
Rankings →Household Type
Education
In Kearny County, 19.4% of adults age 25+ hold a bachelor's degree or higher, which is 42.5% below the national average, ranking #2,104 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Kearny County is 76.4 years. 21.7% of adults report poor or fair health and 16.5% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
18.8% of adults in Kearny County smoke , 43.4% are obese , and 17.6% report excessive drinking.
Adult Smoking Trend
Safety
. Motor vehicle deaths occur at a rate of 39.9 per 100,000.
Families & Children
14.6% of children in Kearny County live in poverty . The teen birth rate is 20.5 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Kearny County is 58.7%. The mean commute time is 24.3 min, which is 11.8% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Kearny County voted Republican with a margin of 68.4%. The vote was 14.8% Dem / 83.2% Rep. Compared to 2020, the margin shifted 6.1 toward Republicans .
Vote Share Over Time
About Kearny County, Kansas
Kearny County, Kansas has a total population of 3,864, making it the 2,975th most populous county in the United States. The median age in Kearny County is 37.1 years, which is 4.6% below the national median of 38.9 years.
The median household income in Kearny County is $89,135, which ranks #324 of 3,222 counties nationwide. This is 18.6% above the national median of $75,149. The poverty rate is 4.5%, lower than the national rate of 12.6%. The unemployment rate stands at 2.2%.
The median home value in Kearny County is $200,900, 28.7% below the national median. Renters in Kearny County pay a median gross rent of $1,056 per month. The homeownership rate is 71.7%, compared to the national rate of 64.4%.
In Kearny County, 19.4% of residents aged 25 and older hold a bachelor's degree or higher, 42.5% below the national average of 33.7%. Health insurance coverage stands at 88.5% of the population. The average commute time for workers is 24.3 min.
Kearny County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 58.5% of the population, followed by Hispanic or Latino (35.6%) and Asian (non-Hispanic) (3.6%).
All data for Kearny 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.