Mercer   County PA United States

County FIPS 42085
Largest City Hermitage
State Pennsylvania
Latitude 41.3022
Longitude -80.2577
Population 109,257
Density 162.49 people per square mile
Time Zone America/New York
  • All demographic data comes from the 2024 American Community Survey (5-year study).
  • Learn more about each field.
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Household Income

Median household: $59,976
Median individual: $33,270

Race

Mode: 88.1% White

Gender

 50.4% female 

Rent

  $843 / month  

Median house value: $163,061.0

Age

Median: 45.1 years old

Education

With at least college degree: 25.6%
With STEM degree: 42.4%

Marital Status

 49.7% married 

Never married: 30.1%

Labor Force Participation

 54.6% working 

Unemployed: 5.3%

Average Family Size

 2.79 people 

Commute Time

 21.7 minutes 

Health Care

 6.4% uninsured 

Poverty

 13.2%

All data comes from the SimpleMaps US Counties Database, 2026.

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