State rank#30 of 67
Smallest county109,257 residentsPhiladelphia County
Published county profile · Official data · FIPS 42085
Mercer County, Pennsylvania
County-level income, housing, jobs, education, health, and population with transparent statewide comparisons and source periods.
Population109,257
Household income$59,976
Unemployment4%
Life expectancy74.6 years
County overview
Living metrics at a glance
Mercer County has 109,257 residents and ranks #30 by population among Pennsylvania county equivalents. Median household income is $59,976. The annual-average unemployment rate is 4%. Its clearest relative strength is median home value. Its county population is above the state county median. Every figure below stays at county scope.
Within Pennsylvania
County population range
The marker places this county between the smallest and largest county populations in the state.
Relocation guide
Moving to Mercer County: what to check
Data narrows the search; municipality, neighborhood, commute, schools, and current listings complete the decision.
Before moving
Before moving, compare municipalities inside Mercer County, because county averages do not describe every neighborhood. Review current housing inventory, commute destinations, school districts, healthcare access, and job locations. Its clearest relative strength is median home value.
Cost and housing
Housing benchmarks are $164,000 median home value and $843/mo median gross rent. Set those costs against a median household income of $59,976, while remembering that household circumstances and municipalities vary.
Who it may suit
Mercer County may be worth a closer look for movers prioritizing median home value, mental health access, and median gross rent. College attainment is 25.6% and life expectancy is 74.6 years.
Potential advantages
- Median home value: $164,000, rank #23 of 67 available Pennsylvania counties.
- Mental health access: 1 per 454 residents, rank #25 of 67 available Pennsylvania counties.
- Median gross rent: $843/mo, rank #27 of 67 available Pennsylvania counties.
Trade-offs to check
- Median household income: $59,976, rank #61 of 67; investigate local variation before moving.
- Life expectancy: 74.6 years, rank #57 of 67; investigate local variation before moving.
- Uninsured: 7%, rank #40 of 67; investigate local variation before moving.
Income, housing, jobs, education & health
County metrics within Pennsylvania
Rank and range use only counties in Pennsylvania with that field available. A lower rank number is stronger when the metric has a clear direction.
Median household income
$59,976
$59,976; below the state county median of $66,318.
State rank #61 of 67 · U.S. Census Bureau — American Community Survey
Median home value
$164,000
$164,000; below the state county median of $202,200.
State rank #23 of 67 · U.S. Census Bureau — American Community Survey
Median gross rent
$843/mo
$843/mo; below the state county median of $901/mo.
State rank #27 of 67 · U.S. Census Bureau — American Community Survey
Unemployment rate
4%
4%; above the state county median of 3.9%.
State rank #39 of 67 · U.S. Bureau of Labor Statistics — Local Area Unemployment Statistics
Bachelor’s degree or higher
25.6%
25.6%; above the state county median of 23.9%.
State rank #28 of 67 · U.S. Census Bureau — American Community Survey
Life expectancy
74.6 years
74.6 years; below the state county median of 76.2 years.
State rank #57 of 67 · County Health Rankings & Roadmaps
Poor or fair health
17.9%
17.9%; below the state county median of 18.1%.
State rank #29 of 67 · County Health Rankings & Roadmaps
Uninsured
7%
7%; above the state county median of 6.8%.
State rank #40 of 67 · County Health Rankings & Roadmaps
Primary care access
1 per 1,617 residents
1 per 1,617 residents; below the state county median of 1 per 1,736 residents.
State rank #27 of 65 · County Health Rankings & Roadmaps
Mental health access
1 per 454 residents
1 per 454 residents; below the state county median of 1 per 597 residents.
State rank #25 of 67 · County Health Rankings & RoadmapsCommon questions
Mercer County FAQ
Is Mercer County a good place to live?
Mercer County may be worth a closer look for movers prioritizing median home value, mental health access, and median gross rent. College attainment is 25.6% and life expectancy is 74.6 years.
What should I know before moving to Mercer County?
Start with housing, employment, commute, schools, healthcare access, and the specific municipality. Housing benchmarks are $164,000 median home value and $843/mo median gross rent. Set those costs against a median household income of $59,976, while remembering that household circumstances and municipalities vary.
What is the population of Mercer County?
Mercer County has 109,257 residents in the 2020–2024 ACS 5-year dataset.
What is the FIPS code for Mercer County?
The five-digit county FIPS code is 42085; the parent state FIPS is 42.
What is the median household income in Mercer County?
The ACS median household income is $59,976.
How much does housing cost in Mercer County?
Housing benchmarks are $164,000 median home value and $843/mo median gross rent. Set those costs against a median household income of $59,976, while remembering that household circumstances and municipalities vary.
What is the unemployment rate in Mercer County?
The BLS LAUS annual-average unemployment rate is 4%.
Similar population
Nearby counties in the state ranking
#28Blair County121,277
#29Lycoming County113,489
#31Adams County106,115
#32Northumberland County90,560
Source and gate
Methodology and source periods
All records join by five-digit FIPS. Profiles publish when ACS county population is at least 100,000 or the county is the state’s largest. Missing source values remain unavailable and are excluded from ranks. Runtime data was generated 2026-07-26.
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