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Mercer County, Pennsylvania
County in Pennsylvania, United States / From Wikipedia, the free encyclopedia
Mercer County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 110,652.[2] Its county seat is Mercer,[3] and its largest city is Hermitage. The county is part of the Northwest Pennsylvania region of the state.[lower-alpha 1]
Quick Facts Country, State ...
Mercer County | |
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![]() 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 | |
Country | ![]() |
State | ![]() |
Founded | November 7, 1803 |
Named for | 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 | |
• Total | 110,652 |
• Density | 162/sq mi (63/km2) |
Time zone | UTC−5 (Eastern) |
• Summer (DST) | UTC−4 (EDT) |
Congressional district | 16th |
Website | www |
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Mercer County compromises the Hermitage, PA Micropolitan Statistical Area, which is included in the Greater Pittsburgh area.