Mercer County, Pennsylvania
Mercer County | |
|---|---|
Mercer County Courthouse (1909) | |
Location within the U.S. state of Pennsylvania | |
Pennsylvania's location within the U.S. | |
| Coordinates: 41°19′N 80°15′W / 41.31°N 80.25°W | |
| Country | United States |
| State | Pennsylvania |
| Founded | November 7, 1803 |
| Named after | Hugh Mercer |
| Seat | Mercer |
| Largest city | Hermitage |
| Area | |
• Total | 683 sq mi (1,770 km2) |
| • Land | 673 sq mi (1,740 km2) |
| • Water | 10 sq mi (30 km2) 1.5% |
| Population (2020) | |
• Total | 110,652 |
• Estimate (2024) | 108,140 |
| • Density | 160.7/sq mi (62.0/km2) |
| Time zone | UTC−5 (Eastern) |
| • Summer (DST) | UTC−4 (EDT) |
| Congressional district | 16th |
| Website | www |
Mercer County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 110,652. Its county seat is Mercer, and its largest city is Hermitage. The county is part of the Northwest Pennsylvania region of the state.
Mercer County compromises the Hermitage, PA Micropolitan Statistical Area, which is included in the Greater Pittsburgh area.