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Mercer County
Sign in to saveAlso known as Mercer County, Pennsylvania, Mercer County, PA
county in Pennsylvania, United States
Key facts
- Country
- United States
- State
- Pennsylvania
- Founded
- November 7, 1803
- Named after
- Hugh Mercer
- Seat
- Mercer
- Largest city
- Hermitage
- Total
- 683 sq mi (1,770 km )
- Land
- 673 sq mi (1,740 km )
- Water
- 10 sq mi (26 km ) 1.5%
- Estimate 2025
- 107,860
- Density
- 160.7/sq mi (62.0/km )
- Time zone
- UTC−5 ( Eastern )
- Summer dst
- UTC−4 ( EDT )
- Congressional district
- 16th
- Website
- www .mercercountypa .gov
via Wikipedia infobox
~11 min read
Encyclopedic overview
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.
Excerpted from Wikipedia’s “Mercer County” article, available under the CC BY-SA 4.0 licence.