Allen County, Ohio
Located in Ohio, Allen County has a population of 101,348 residents and a median age of 39.7 years, making it the #612 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 13.3%. The median home value is $165,300, and the median household income is $64,038, which is 15% below the national median.
Demographics
Allen County has a population of 101,348, making it the #612 most populous county in the US. The median age is 39.7 years, which is 2.1% 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 $64,038, ranking #1,702 out of 3,222 counties — 14.8% below the national median. The poverty rate is 13.3% and unemployment stands at 5.7%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Allen County is $165,300 (-41.4% vs national). Renters pay a median of $922/mo and the homeownership rate is 67.7%.
Median Home Value Trend
Rankings →Household Type
Education
In Allen County, 20.1% of adults age 25+ hold a bachelor's degree or higher, which is 40.3% below the national average, ranking #1,981 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Allen County is 74.3 years. 21.7% of adults report poor or fair health and 6.8% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
22.5% of adults in Allen County smoke , 47.1% are obese , and 19.6% report excessive drinking. The drug overdose death rate is 38.1 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in Allen County is 7.8 per 100,000 and the suicide rate is 16.8 per 100,000. Motor vehicle deaths occur at a rate of 12.1 per 100,000.
Homicide Rate Trend
Families & Children
18.6% of children in Allen County live in poverty and the infant mortality rate is 6.4 per 1,000 live births. The teen birth rate is 25.8 per 1,000 females age 15–19.
Infant Mortality Trend
Civic & Transportation
Voter turnout in Allen County is 61.4%. The mean commute time is 20.7 min, which is 24.9% 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 44.1%. The vote was 27.5% Dem / 71.6% Rep. Compared to 2020, the margin shifted 4.6 toward Republicans .
Vote Share Over Time
About Allen County, Ohio
Allen County, Ohio has a total population of 101,348, making it the 612th most populous county in the United States. The median age in Allen County is 39.7 years, which is 2.1% above the national median of 38.9 years.
The median household income in Allen County is $64,038, which ranks #1,702 of 3,222 counties nationwide. This is 14.8% below the national median of $75,149. The poverty rate is 13.3%, higher than the national rate of 12.6%. The unemployment rate stands at 5.7%.
The median home value in Allen County is $165,300, 41.4% below the national median. Renters in Allen County pay a median gross rent of $922 per month. The homeownership rate is 67.7%, compared to the national rate of 64.4%.
In Allen County, 20.1% of residents aged 25 and older hold a bachelor's degree or higher, 40.3% below the national average of 33.7%. Health insurance coverage stands at 94.1% of the population. The average commute time for workers is 20.7 min.
Allen County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 79.0% of the population, followed by Black (non-Hispanic) (9.6%) and Two or More Races (6.2%).
All data for Allen County, Ohio 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.