Allen County, Kentucky
Located in Kentucky, Allen County has a population of 21,293 residents and a median age of 40.7 years, making it the #1,806 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 13.5%. The median home value is $192,300, and the median household income is $61,403, which is 18% below the national median.
Demographics
Allen County has a population of 21,293, making it the #1,806 most populous county in the US. The median age is 40.7 years, which is 4.6% 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 $61,403, ranking #1,944 out of 3,222 counties — 18.3% below the national median. The poverty rate is 13.5% and unemployment stands at 6.9%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Allen County is $192,300 (-31.8% vs national). Renters pay a median of $844/mo and the homeownership rate is 74.5%.
Median Home Value Trend
Rankings →Household Type
Education
In Allen County, 18.4% of adults age 25+ hold a bachelor's degree or higher, which is 45.3% below the national average, ranking #2,276 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Allen County is 73.1 years. 22.7% of adults report poor or fair health and 6.4% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
20.7% of adults in Allen County smoke , 41.8% are obese , and 15.6% report excessive drinking. The drug overdose death rate is 31.6 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in Allen County is 8.8 per 100,000 and the suicide rate is 23.9 per 100,000. Motor vehicle deaths occur at a rate of 21.0 per 100,000.
Homicide Rate Trend
Families & Children
21.5% of children in Allen County live in poverty . The teen birth rate is 32.2 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Allen County is 58.8%. The mean commute time is 29.2 min, which is 5.8% above 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 67.1%. The vote was 16% Dem / 83.1% Rep. Compared to 2020, the margin shifted 3.6 toward Republicans .
Vote Share Over Time
About Allen County, Kentucky
Allen County, Kentucky has a total population of 21,293, making it the 1,806th most populous county in the United States. The median age in Allen County is 40.7 years, which is 4.6% above the national median of 38.9 years.
The median household income in Allen County is $61,403, which ranks #1,944 of 3,222 counties nationwide. This is 18.3% below the national median of $75,149. The poverty rate is 13.5%, higher than the national rate of 12.6%. The unemployment rate stands at 6.9%.
The median home value in Allen County is $192,300, 31.8% below the national median. Renters in Allen County pay a median gross rent of $844 per month. The homeownership rate is 74.5%, compared to the national rate of 64.4%.
In Allen County, 18.4% of residents aged 25 and older hold a bachelor's degree or higher, 45.3% below the national average of 33.7%. Health insurance coverage stands at 92.4% of the population. The average commute time for workers is 29.2 min.
Allen County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 92.7% of the population, followed by Two or More Races (3.5%) and Hispanic or Latino (2.9%).
All data for Allen County, Kentucky 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.