Allen County, Indiana Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Allen County, IN Population Density Map and Area Scores
Area Score
Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.
-
B
Health Around average
-
C
Income Below average
-
C
Education Below averageBetter educated than 85% of counties in Indiana
Source: Map AI Methodology
Population: density and quick facts
| Metric | Allen County | Indiana Avg | U.S. Average |
|---|---|---|---|
| Population | 392,386 | 6,845,048 | 337,468,954 |
| Population density (per sq mi) | 594.6 | 188.1 | 86.4 |
| Population growth (%/yr) | 0.86% | 0.47% | 0.59% |
| Median age | 36.9 | 35.9 | 37.3 |
| Households | 156,572 | 2,713,821 | 130,235,071 |
Population in Allen County grew by 11.7% from 2009 to 2024, reaching 392,386 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Allen County is Gen Z, aged 13–28, at 22.5% of residents. That is 0.3 points above Indiana as a whole.
- Gen Z 13–28 88,445 22.5% +0.3 pts
- Millennials 29–44 85,445 21.8% +0.6 pts
- Gen X 45–60 73,648 18.8% -0.7 pts
- Boomers 61–79 59,203 15.1% -1.6 pts
Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below Indiana, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.
Male and female share
Women are 50.6% of the people living in Allen County and men 49.4%.
- Women 50.6% Indiana 50.4%
- Men 49.4% Indiana 49.6%
How many residents match a customer profile?
Residents matching this profile
100% of everyone living in Allen County
Pick an age range and a women/men split and the figure above answers with how many residents that profile reaches.
Economy
Allen County has a the economy index of C, which means it is somewhat prosperous.
| Metric | Allen County | Indiana Avg | U.S. Average |
|---|---|---|---|
| Median household income | $70,795 | $71,967 | $80,455 |
| Income growth (%/yr) | 4.57% | 4.54% | 4.80% |
| Unemployment rate | 4.7% | 4.3% | 5.2% |
The median household income in Allen County is about 2% lower than in Indiana.
Housing
| Metric | Allen County | Indiana Avg | U.S. Average |
|---|---|---|---|
| Median home price | $89,611 | $142,738 | $248,835 |
| Median rent | $1,021 | $1,062 | $1,407 |
| Homeownership rate | 68.9% | 70.6% | 65.2% |
The median home price in Allen County is about 7.3 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $1,021 per month for that long.
Commute Time & Mobility
Commuters in Allen County spend about 40 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 169 hours, about 7.0 full days, spent commuting.
| Metric | Allen County | Indiana Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 20.2 | 21.1 | 22.4 |
| Round-trip commute (min) | 40.5 | 42.2 | 44.8 |
| Yearly time spent (hours) | 169 | 176 | 187 |
| Estimated yearly cost | $5,231 | $5,455 | $5,790 |
| Work from home | 9.2% | 10.7% | 15.0% |
| Highway traffic (vehicles/day) | 7,315 | 8,333 | 8,813 |
| Local road traffic (vehicles/day) | 1,956 | 1,308 | 1,355 |
Fastest commutes among counties in
Indiana:
Knox County (15.8 min), Howard County (15.9 min), Daviess County (16.3 min).
Slowest:
Crawford County (33.6 min), Brown County (32.6 min), Franklin County (31.9 min).
The average commute time in Allen County is 20 minutes, shorter than the 21 minutes in Indiana.
Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.
Education & Households
Allen County has a education index of C, which means it is somewhat educated.
| Metric | Allen County | Indiana Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 28.2% | 26.0% | 31.6% |
| Average household size | 2.47 | 2.45 | 2.53 |
Highest education index among counties in
Indiana:
Hamilton County (0.4), Boone County (0.4), Monroe County (0.3).
Lowest:
LaGrange County (0.1), Crawford County (0.2), Switzerland County (0.2).
Health
Allen County has a health index of B, which means it is quite healthy.
| Metric | Allen County | Indiana Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 77.3 | 77.4 | 78.3 |
| Self-rated poor health | 17.1% | 17.1% | 16.3% |
| Smokers | 22.4% | 22.4% | 19.0% |
Highest health index among counties in
Indiana:
Hamilton County (0.8), Monroe County (0.8), Boone County (0.8).
Lowest:
LaGrange County (0.8), Daviess County (0.8), Switzerland County (0.8).
Allen County, IN Compared With Nearby Counties
Allen County, IN is the largest of the 6 counties compared here, 392,386 residents against a local median of 36,227. Allen County, IN sits close to the middle of its own neighbourhood. No measure below is more than 15% off the local median, so the choice between these counties turns on things this data does not capture.
The largest of those small differences is median home price, 2% above the local median at $89,611 against $87,826. Allen County, IN has the 3rd highest median home price of the 6 areas compared here.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Allen County, IN | 392,386 | $70,795 #5/6 | $89,611 #3/6 | 20.2 min #3/6 |
| DeKalb County, IN | 43,807 | $74,608 | $164,285 | 18.3 min |
| Adams County, IN | 36,227 | $65,374 | $37,419 | 17.3 min |
| Wells County, IN | 28,420 | $70,823 | $157,916 | 20.4 min |
| Whitley County, IN | 34,611 | $77,225 | $87,826 | 21.3 min |
| Noble County, IN | 47,495 | $71,042 | $79,285 | 22.3 min |
Frequently Asked Questions
Common questions about Allen County, Indiana.
How big is Allen County, Indiana by population?
About 392,386 people live in Allen County, Indiana, in 156,572 households of 2.5 people on average. The median age is 36.9, close to the U.S. median of 37.3.
How densely populated is Allen County, Indiana?
Averaged over its land area, Allen County, Indiana has 595 people per square mile, a density typical of a mix of suburbs, small towns and farmland. That is about 6.9 times the U.S. average of 86.
Can a typical household afford a home in Allen County, Indiana?
The median home costs 1.3 times the median household income ($89,611 against $70,795), compared with 3.1 times nationally. That is within the traditional rule of thumb of about 3 times income. Median rent of $1,021 a month takes about 17% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
Analyze any area in the US
Get local demographics for any address, aggregated by drive time or radius, on the interactive map.
Explore the map →