Mercer County, Pennsylvania
Mercer County, Pennsylvania, has 107,860 residents (July 2025 estimate). Its county seat is Mercer. It uses Eastern Time and covers 673 sq mi (1,742 km²) of land.
- Resident population, July 2025
- 107,860
- Land area
- 673 sq mi (1,742 km²)
- County seat or government
- Mercer
- Time zone
- Eastern TimeUTC-05:00 in January; UTC-04:00 in July
- Median household income
- $59,976 ± $1,687
- Median home value
- $164,000 ± $3,160
- Median rent, with utilities
- $843 ± $35
- Homes lived in by their owners
- 72.4% ± 1.3 points
- County type
- County
- Metro or micro area
- Hermitage, PA micro areaCentral county
- Water area
- 10 sq mi (26 km²)
- State
- Pennsylvania
- County code (FIPS)
- 42085
- Coordinates (central point)
- 41.300014, -80.252786
These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.
Time zones in Mercer County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| Eastern TimeAmerica/New_York | UTC-05:00 in January; UTC-04:00 in July. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.
ZIP Code areas, largest first
- 1612517,178 people
- 1614816,545 people
- 1605715,718 people
- 1612715,117 people
- 1614612,936 people
- 1613712,490 people
- 161506,856 people
- 161425,522 people
- 163145,188 people
- 161594,455 people
- 161214,199 people
- 161343,992 people
All 28
28 ZIP Code areas overlap Mercer County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.
Official county information
Mercer County government website ↗ is the next stop for county offices, tax, voting, jury and records information. A geographic lookup cannot determine eligibility, tax liability or a court obligation.
Townships in Mercer County, largest first
- Pine Township4,758 people
- Hempfield Township3,678 people
- Shenango Township3,475 people
- West Salem Township3,201 people
- Pymatuning Township3,066 people
- Findley Township2,635 people
- South Pymatuning Township2,608 people
- Lackawannock Township2,151 people
- Springfield Township2,089 people
- Delaware Township2,044 people
- Coolspring Township1,940 people
- East Lackawannock Township1,899 people
All 31
- Jefferson Township1,688 people
- Wilmington Township1,531 people
- Liberty Township1,351 people
- Perry Township1,246 people
- Sandy Lake Township1,170 people
- Jackson Township1,080 people
- Greene Township1,032 people
- Fairview Township913 people
- Salem Township849 people
- Sugar Grove Township825 people
- Mill Creek Township796 people
- Sandy Creek Township762 people
- Wolf Creek Township750 people
- Worth Township733 people
- Lake Township702 people
- French Creek Township674 people
- Otter Creek Township529 people
- New Vernon Township482 people
- Deer Creek Township458 people
People counts are American Community Survey 2020–2024 5-year estimates. All townships in Pennsylvania, by county
School districts in Mercer County, largest first
- Crawford Central School District28,657 people
- Grove City Area School District16,778 people
- Hermitage School District16,041 people
- Sharon City School District12,936 people
- Wilmington Area School District11,134 people
- Mercer Area School District10,168 people
- Greenville Area School District10,026 people
- Reynolds School District8,625 people
- Lakeview School District7,815 people
- Sharpsville Area School District7,380 people
- West Middlesex Area School District6,606 people
- Farrell Area School District5,018 people
All 14
- Jamestown Area School District4,161 people
- Commodore Perry School District3,944 people
Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.
Cities, towns and communities, largest first
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
- Hermitage, Pennsylvania (city)16,041 people
- Sharon, Pennsylvania (city)12,936 people
- Grove City, Pennsylvania (borough)7,830 people
- Greenville, Pennsylvania (borough)5,523 people
- Farrell, Pennsylvania (city)4,199 people
- Sharpsville, Pennsylvania (borough)4,187 people
- Mercer, Pennsylvania (borough)2,006 people
- Reynolds Heights, Pennsylvania (CDP)1,845 people
- West Middlesex, Pennsylvania (borough)980 people
- Stoneboro, Pennsylvania (borough)785 people
- Sandy Lake, Pennsylvania (borough)783 people
- Jamestown, Pennsylvania (borough)683 people
All 18
- Lake Latonka, Pennsylvania (CDP)651 people
- Clark, Pennsylvania (borough)585 people
- Fredonia, Pennsylvania (borough)314 people
- New Lebanon, Pennsylvania (borough)199 people
- Jackson Center, Pennsylvania (borough)172 people
- Sheakleyville, Pennsylvania (borough)100 people
Bordering areas, nearest first
Distances are straight lines between map points.
- Lawrence County, Pennsylvania22 mi south
- Venango County, Pennsylvania26 mi east
- Trumbull County, Ohio27 mi west
- Crawford County, Pennsylvania28 mi north
- Butler County, Pennsylvania32 mi southeast
Before using this answer on a form
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