Allegheny County's estimated 2026 population is 1,222,896 with a growth rate of -0.17% in the past year according to the most recent United States census data. Allegheny County is the 2nd largest county in Pennsylvania. The 2010 population was 1,223,973 and has seen a growth of -0.09% since that time.
Data after 2023 is projected based on recent change
Overall: 40.6 years
Female: 42.1 years
Male: 39.2 years
There are 1,007,949 adults, (249,886 of whom are seniors) in Allegheny County.
Female: 633,973 (51.2%)
Male: 604,204 (48.8%)
The racial composition of Allegheny County includes 76.06% White, 12.46% Black or African American, 4.35% Asian, and smaller percentages for other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 941,697 | 76.06% |
| Black or African American | 154,273 | 12.46% |
| Two or more races | 71,449 | 5.77% |
| Asian | 53,826 | 4.35% |
| Other race | 15,453 | 1.25% |
| Native American | 1,255 | 0.1% |
| Native Hawaiian or Pacific Islander | 224 | 0.02% |
Allegheny County's average per capita income is $57,377. Household income levels show a median of $78,548. The poverty rate stands at 11.52%.
Name | Median | Mean |
|---|---|---|
| Married Families | $129,444 | $166,184 |
| Families | $109,346 | $142,875 |
| Households | $78,548 | $110,063 |
| Non Families | $47,733 | $66,794 |
Average Income
Median Household Income
Poverty Rate