Allegheny County, Pennsylvania Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Allegheny County, PA 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 averageHealthier than 85% of counties in Pennsylvania
-
B
Income Around averageWealthier than 91% of counties in Pennsylvania
-
A
Education Above averageAmong the top 3 best educated counties in Pennsylvania
Source: Map AI Methodology
Population: density and quick facts
| Metric | Allegheny County | Pennsylvania Avg | U.S. Average |
|---|---|---|---|
| Population | 1,233,873 | 13,004,688 | 337,468,954 |
| Population density (per sq mi) | 1658.9 | 282.1 | 86.4 |
| Population growth (%/yr) | 0.08% | 0.21% | 0.59% |
| Median age | 41.1 | 41.6 | 37.3 |
| Households | 544,067 | 5,268,760 | 130,235,071 |
Population in Allegheny County grew by 0.2% from 2009 to 2024, reaching 1,233,873 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Allegheny County is Millennials, aged 29–44, at 22.1% of residents. That is 1.1 points above Pennsylvania as a whole.
- Gen Z 13–28 243,366 19.7% -0.4 pts
- Millennials 29–44 273,191 22.1% +1.1 pts
- Gen X 45–60 248,521 20.1% -0.4 pts
- Boomers 61–79 240,418 19.5% +0.5 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 Pennsylvania, 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 51.6% of the people living in Allegheny County and men 48.4%.
- Women 51.6% Pennsylvania 50.8%
- Men 48.4% Pennsylvania 49.2%
How many residents match a customer profile?
Residents matching this profile
100% of everyone living in Allegheny County
Pick an age range and a women/men split and the figure above answers with how many residents that profile reaches.
Economy
Allegheny County has a the economy index of B, which means it is quite prosperous.
| Metric | Allegheny County | Pennsylvania Avg | U.S. Average |
|---|---|---|---|
| Median household income | $78,868 | $78,249 | $80,455 |
| Income growth (%/yr) | 4.67% | 4.43% | 4.80% |
| Unemployment rate | 5.0% | 5.2% | 5.2% |
The median household income in Allegheny County is about 1% higher than in Pennsylvania.
Housing
| Metric | Allegheny County | Pennsylvania Avg | U.S. Average |
|---|---|---|---|
| Median home price | $121,719 | $152,469 | $248,835 |
| Median rent | $1,153 | $1,208 | $1,407 |
| Homeownership rate | 65.2% | 69.3% | 65.2% |
The median home price in Allegheny County is about 8.8 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $1,153 per month for that long.
Commute Time & Mobility
Commuters in Allegheny County spend about 46 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 190 hours, about 7.9 full days, spent commuting.
| Metric | Allegheny County | Pennsylvania Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 22.8 | 22.4 | 22.4 |
| Round-trip commute (min) | 45.6 | 44.7 | 44.8 |
| Yearly time spent (hours) | 190 | 186 | 187 |
| Estimated yearly cost | $5,885 | $5,779 | $5,790 |
| Work from home | 21.1% | 15.6% | 15.0% |
| Highway traffic (vehicles/day) | 8,255 | 6,862 | 8,813 |
| Local road traffic (vehicles/day) | 1,728 | 1,152 | 1,355 |
Fastest commutes among counties in
Pennsylvania:
Cameron County (11.4 min), Elk County (15.4 min), McKean County (15.9 min).
Slowest:
Pike County (32.5 min), Perry County (32.0 min), Carbon County (30.5 min).
The average commute time in Allegheny County is 23 minutes, longer than the 22 minutes in Pennsylvania.
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
Allegheny County has a education index of A, which means it is very educated.
| Metric | Allegheny County | Pennsylvania Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 41.2% | 31.4% | 31.6% |
| Average household size | 2.20 | 2.39 | 2.53 |
Highest education index among counties in
Pennsylvania:
Chester County (0.4), Montgomery County (0.4), Allegheny County (0.4).
Lowest:
Forest County (0.1), Mifflin County (0.2), Juniata County (0.2).
Health
Allegheny County has a health index of B, which means it is quite healthy.
| Metric | Allegheny County | Pennsylvania Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 77.3 | 78.4 | 78.3 |
| Self-rated poor health | 14.1% | 15.7% | 16.3% |
| Smokers | 16.5% | 20.1% | 19.0% |
Highest health index among counties in
Pennsylvania:
Montgomery County (0.8), Centre County (0.8), Chester County (0.8).
Lowest:
Forest County (0.8), Mifflin County (0.8), Jefferson County (0.8).
Allegheny County, PA Compared With Nearby Counties
Allegheny County, PA is the largest of the 6 counties compared here, 1,233,873 residents against a local median of 197,141. Allegheny County, PA 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, 12% above the local median at $121,719 against $109,094. Allegheny County, PA has the 3rd highest median home price of the 6 areas compared here.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Allegheny County, PA | 1,233,873 | $78,868 #3/6 | $121,719 #3/6 | 22.8 min #4/6 |
| Washington County, PA | 209,930 | $79,568 | $61,756 | 23.2 min |
| Beaver County, PA | 166,309 | $71,516 | $109,094 | 22.3 min |
| Butler County, PA | 197,141 | $89,210 | $172,268 | 23.3 min |
| Westmoreland County, PA | 352,391 | $74,121 | $153,899 | 22.7 min |
| Hancock County, WV | 28,177 | $62,034 | $33,531 | 20.3 min |
Frequently Asked Questions
Common questions about Allegheny County, Pennsylvania.
How big is Allegheny County, Pennsylvania by population?
About 1,233,873 people live in Allegheny County, Pennsylvania, in 544,067 households of 2.2 people on average. The median age is 41.1, so residents are older than the U.S. median of 37.3 by about 4 years.
Is Allegheny County, Pennsylvania urban or rural?
Averaged over its land area, Allegheny County, Pennsylvania has 1,659 people per square mile, a density typical of urban and suburban areas. That is about 19 times the U.S. average of 86.
Is Allegheny County, Pennsylvania an affordable place to live?
The median home costs 1.5 times the median household income ($121,719 against $78,868), compared with 3.1 times nationally. That is within the traditional rule of thumb of about 3 times income. Median rent of $1,153 a month takes about 18% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
What share of adults in Allegheny County, Pennsylvania have a college degree?
41.2% of adults in Allegheny County, Pennsylvania hold a bachelor's degree or higher (about 1 in 2), well above the U.S. share of 31.6%.
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 →