Adams County vs Mercer County
A side-by-side comparison of Adams County and Mercer County: population, income, housing, and more.
Adams County and Mercer County are counties in Pennsylvania. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
Mercer County has the higher population (109,852 vs 105,183 in Adams County). Adams County has the higher median household income ($81,071 vs $60,614 in Mercer County). Adams County has the higher median home value ($256,100 vs $153,600 in Mercer County).
Population, income & housing
| Adams County | Mercer County | |
|---|---|---|
| Population | 105,183 | 109,852 |
| Median age | 43.8 yrs | 45.2 yrs |
| Median household income | $81,071 | $60,614 |
| Median home value | $256,100 | $153,600 |
| Median gross rent | $1,084 | $808 |
| Housing units | 43,377 | 50,884 |
| Homeownership rate | 79.1% | 72.5% |
| Bachelor's degree or higher | 24.8% | 25.1% |
| Unemployment rate | 3.1% | 5.3% |
Trends (ACS 5-year, 2019–2023)
| Adams County | Mercer County | |
|---|---|---|
| Population | 102,470 → 105,183 (+2.6%) | 111,518 → 109,852 (-1.5%) |
| Median household income | $67,253 → $81,071 (+20.5%) | $50,696 → $60,614 (+19.6%) |
| Median home value | $205,800 → $256,100 (+24.4%) | $121,100 → $153,600 (+26.8%) |
| Median gross rent | $922 → $1,084 (+17.6%) | $689 → $808 (+17.3%) |
Adams County
102,470105,183
$67,253$81,071
$205,800$256,100
$922$1,084
Mercer County
111,518109,852
$50,696$60,614
$121,100$153,600
$689$808
Age & race/ethnicity
Age distribution (share)
| Adams County | Mercer County | |
|---|---|---|
| Under 5 | 4.7% | 4.8% |
| 5 to 17 | 15.0% | 14.3% |
| 18 to 24 | 9.9% | 9.3% |
| 25 to 34 | 10.7% | 10.6% |
| 35 to 44 | 10.8% | 10.8% |
| 45 to 54 | 12.4% | 12.4% |
| 55 to 64 | 15.1% | 15.1% |
| 65 to 74 | 12.7% | 12.9% |
| 75 and over | 8.6% | 9.8% |
Race & ethnicity (share)
| Adams County | Mercer County | |
|---|---|---|
| White (non-Hispanic) | 87.5% | 88.6% |
| Black or African American | 1.6% | 5.5% |
| American Indian & Alaska Native | 0.0% | 0.1% |
| Asian | 0.9% | 0.6% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 0.3% | 0.3% |
| Two or more races | 2.1% | 3.3% |
| Hispanic or Latino | 7.5% | 1.6% |
Educational attainment (age 25+)
Share of adults 25+
| Adams County | Mercer County | |
|---|---|---|
| No high school diploma | 9.3% | 8.7% |
| High school graduate | 40.6% | 40.5% |
| Some college or associate's | 25.4% | 25.8% |
| Bachelor's degree | 14.4% | 16.2% |
| Graduate or professional degree | 10.4% | 8.9% |
Commute to work
How workers get to work (share)
| Adams County | Mercer County | |
|---|---|---|
| Drove alone | 77.9% | 80.8% |
| Carpooled | 6.9% | 6.9% |
| Public transit | 0.2% | 0.2% |
| Walked | 4.0% | 2.8% |
| Bicycle | 0.4% | 0.1% |
| Worked from home | 9.8% | 7.8% |
| Other means | 0.7% | 1.4% |
Housing
Units in structure (share)
| Adams County | Mercer County | |
|---|---|---|
| 1-unit, detached | 74.8% | 74.5% |
| 1-unit, attached | 9.0% | 2.7% |
| 2 to 4 units | 5.7% | 6.8% |
| 5 to 19 units | 3.3% | 4.5% |
| 20 or more units | 1.2% | 4.0% |
| Mobile home & other | 6.0% | 7.5% |
Poverty & households
| Adams County | Mercer County | |
|---|---|---|
| Poverty rate | 8.4% | 12.8% |
| Average household size | 2.50 | 2.24 |
| Mean commute (minutes) | 29 | 22 |
| Median year structure built | 1980 | 1963 |
Full profiles
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