Allen County, Kansas
Located in Kansas, Allen County has a population of 12,483 residents and a median age of 41.2 years, making it the #2,319 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 9.9%. The median home value is $107,600, and the median household income is $60,689, which is 19% below the national median.
Demographics
Allen County has a population of 12,483, making it the #2,319 most populous county in the US. The median age is 41.2 years, which is 5.9% 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 Allen County is $60,689, ranking #2,022 out of 3,222 counties — 19.2% below the national median. The poverty rate is 9.9% and unemployment stands at 7.9%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Allen County is $107,600 (-61.8% vs national). Renters pay a median of $720/mo and the homeownership rate is 75.4%.
Median Home Value Trend
Rankings →Household Type
Education
In Allen County, 22.4% of adults age 25+ hold a bachelor's degree or higher, which is 33.4% below the national average, ranking #1,588 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Allen County is 74.5 years. 18.0% of adults report poor or fair health and 11.1% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
20.1% of adults in Allen County smoke , 41.3% are obese , and 18.4% report excessive drinking.
Adult Smoking Trend
Safety
The suicide rate is 21.1 per 100,000. Motor vehicle deaths occur at a rate of 11.4 per 100,000.
Suicide Rate Trend
Families & Children
21.5% of children in Allen County live in poverty . The teen birth rate is 23.8 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Allen County is 62.0%. The mean commute time is 20.2 min, which is 26.8% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Allen County voted Republican with a margin of 46.1%. The vote was 25.8% Dem / 71.9% Rep. Compared to 2020, the margin shifted 1.7 toward Republicans .
Vote Share Over Time
About Allen County, Kansas
Allen County, Kansas has a total population of 12,483, making it the 2,319th most populous county in the United States. The median age in Allen County is 41.2 years, which is 5.9% above the national median of 38.9 years.
The median household income in Allen County is $60,689, which ranks #2,022 of 3,222 counties nationwide. This is 19.2% below the national median of $75,149. The poverty rate is 9.9%, lower than the national rate of 12.6%. The unemployment rate stands at 7.9%.
The median home value in Allen County is $107,600, 61.8% below the national median. Renters in Allen County pay a median gross rent of $720 per month. The homeownership rate is 75.4%, compared to the national rate of 64.4%.
In Allen County, 22.4% of residents aged 25 and older hold a bachelor's degree or higher, 33.4% below the national average of 33.7%. Health insurance coverage stands at 90.5% of the population. The average commute time for workers is 20.2 min.
Allen County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 88.5% of the population, followed by Hispanic or Latino (4.3%) and Two or More Races (3.0%).
All data for Allen 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.