Total Population in Blair County, PA
ACS 2024 5-Year Estimates
121,277
Rank #532/3,222 · #28 in PA
84th
Blair 121,277
PA 13M -99.1%
US 330M
Total Population Trend
Rankings →Percentile Rank Over Time
Year-over-Year Population Change
National Distribution
How Blair County's total population of 121,277 compares to all 3,222 U.S. counties. Values range from 33 to 9,808,667.
Distribution of Total Population Across All Counties
Ranking Context
Counties ranked closest to Blair County for total population.
Nearby Rankings
Full ranking →| #529 | Fayette County, GA | 122,244 |
| #530 | Comanche County, OK | 121,825 |
| #531 | Allegan County, MI | 121,456 |
| #532 | Blair County, PA | 121,277 |
| #533 | San Juan County, NM | 120,942 |
| #534 | Missoula County, MT | 120,672 |
| #535 | La Crosse County, WI | 120,488 |
About Total Population
Blair County, Pennsylvania has a total population of 121,277, ranking #532 of 3,222 counties nationwide — 100.0% below the national value of 330M. Within Pennsylvania, it ranks #28 of 67. This places it in the 84th percentile nationally.
Total population count from the American Community Survey. Source: U.S. Census Bureau, American Community Survey 2024 5-Year Estimates. All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.