Total Population in Allegheny County, PA
ACS 2024 5-Year Estimates
How Allegheny County Compares
National Distribution
Where Allegheny County falls among all 3,222 U.S. counties for total population.
■ Allegheny County: 1,238,177
Ranking Context
| Rank | County | Value |
|---|---|---|
| #33 | Oakland County, MI | 1,279,825 |
| #34 | Hennepin County, MN | 1,269,496 |
| #35 | Cuyahoga County, OH | 1,245,873 |
| #36 | Allegheny County, PA | 1,238,177 |
| #37 | Salt Lake County, UT | 1,196,523 |
| #38 | Wake County, NC | 1,178,653 |
| #39 | Contra Costa County, CA | 1,165,012 |
Total Population in Allegheny County, Pennsylvania
Allegheny County, Pennsylvania has a total population of 1,238,177, which ranks #36 of 3,222 out of 3,222 counties nationwide. This is 99.6% below the national value of 330M.
Within Pennsylvania, Allegheny County ranks #2 of 67 out of 67 counties. This places it in the 99th percentile nationally.
Total population count from the American Community Survey. All data comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates for 2024.
About this data
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2024). All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.