Osage County, Kansas
Located in Kansas, Osage County has a population of 15,744 residents and a median age of 42.9 years, making it the #2,113 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 9.7%. The median home value is $156,800, and the median household income is $74,467, which is 1% below the national median.
Demographics
Osage County has a population of 15,744, making it the #2,113 most populous county in the US. The median age is 42.9 years, which is 10.3% 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 Osage County is $74,467, ranking #876 out of 3,222 counties — 0.9% below the national median. The poverty rate is 9.7% and unemployment stands at 1.9%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Osage County is $156,800 (-44.4% vs national). Renters pay a median of $785/mo and the homeownership rate is 82.4%.
Median Home Value Trend
Rankings →Household Type
Education
In Osage County, 21.6% of adults age 25+ hold a bachelor's degree or higher, which is 36.0% below the national average, ranking #1,721 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Osage County is 73.7 years. 15.7% of adults report poor or fair health and 10.0% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
17.9% of adults in Osage County smoke , 39.7% are obese , and 19.5% report excessive drinking.
Adult Smoking Trend
Safety
The suicide rate is 13.3 per 100,000. Motor vehicle deaths occur at a rate of 20.8 per 100,000.
Suicide Rate Trend
Families & Children
13.4% of children in Osage County live in poverty . The teen birth rate is 15.2 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Osage County is 66.4%. The mean commute time is 31.4 min, which is 13.7% above the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Osage County voted Republican with a margin of 48.0%. The vote was 24.7% Dem / 72.7% Rep. Compared to 2020, the margin shifted 3.8 toward Republicans .
Vote Share Over Time
About Osage County, Kansas
Osage County, Kansas has a total population of 15,744, making it the 2,113th most populous county in the United States. The median age in Osage County is 42.9 years, which is 10.3% above the national median of 38.9 years.
The median household income in Osage County is $74,467, which ranks #876 of 3,222 counties nationwide. This is 0.9% below the national median of $75,149. The poverty rate is 9.7%, lower than the national rate of 12.6%. The unemployment rate stands at 1.9%.
The median home value in Osage County is $156,800, 44.4% below the national median. Renters in Osage County pay a median gross rent of $785 per month. The homeownership rate is 82.4%, compared to the national rate of 64.4%.
In Osage County, 21.6% of residents aged 25 and older hold a bachelor's degree or higher, 36.0% below the national average of 33.7%. Health insurance coverage stands at 91.9% of the population. The average commute time for workers is 31.4 min.
Osage County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 92.1% of the population, followed by Two or More Races (3.5%) and Hispanic or Latino (3.4%).
All data for Osage 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.