Blair County, Pennsylvania
Blair County | |
|---|---|
Blair County Courthouse in Hollidaysburg | |
Location within the U.S. state of Pennsylvania | |
Pennsylvania's location within the U.S. | |
| Coordinates: 40°28′N 78°21′W / 40.47°N 78.35°W | |
| Country | United States |
| State | Pennsylvania |
| Founded | February 26, 1846 |
| Seat | Hollidaysburg |
| Largest city | Altoona |
| Area | |
• Total | 527 sq mi (1,360 km2) |
| • Land | 526 sq mi (1,360 km2) |
| • Water | 1.3 sq mi (3 km2) 0.2% |
| Population (2020) | |
• Total | 122,822 |
| • Density | 234/sq mi (90/km2) |
| Time zone | UTC−5 (Eastern) |
| • Summer (DST) | UTC−4 (EDT) |
| Congressional district | 13th |
| Website | www |
| Designated | April 13, 1982 |
Blair County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 122,822. Its county seat is Hollidaysburg, and its largest city is Altoona. The county was created on February 26, 1846, from parts of Huntingdon and Bedford counties. The county is part of the Southwest region of the commonwealth.
Blair County comprises the Altoona, PA metropolitan statistical area. It is also part of the Altoona-Huntingdon, PA Combined Statistical Area, which includes Blair and Huntingdon counties.