Madison County vs Mercer County
A side-by-side comparison of Madison County and Mercer County: population, income, housing, and more.
Madison County and Mercer County are counties in Ohio. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
Madison County has the higher population (44,126 vs 42,438 in Mercer County). Madison County has the higher median household income ($83,229 vs $78,036 in Mercer County). Madison County has the higher median home value ($231,400 vs $208,600 in Mercer County).
Population, income & housing
| Madison County | Mercer County | |
|---|---|---|
| Population | 44,126 | 42,438 |
| Median age | 41.5 yrs | 39.1 yrs |
| Median household income | $83,229 | $78,036 |
| Median home value | $231,400 | $208,600 |
| Median gross rent | $944 | $812 |
| Housing units | 16,361 | 18,023 |
| Homeownership rate | 75.9% | 79.6% |
| Bachelor's degree or higher | 22.4% | 22.2% |
| Unemployment rate | 4.0% | 1.8% |
Trends (ACS 5-year, 2019–2023)
| Madison County | Mercer County | |
|---|---|---|
| Population | 44,135 → 44,126 (-0.0%) | 40,884 → 42,438 (+3.8%) |
| Median household income | $68,022 → $83,229 (+22.4%) | $62,952 → $78,036 (+24.0%) |
| Median home value | $166,500 → $231,400 (+39.0%) | $153,800 → $208,600 (+35.6%) |
| Median gross rent | $858 → $944 (+10.0%) | $679 → $812 (+19.6%) |
Madison County
44,13544,126
$68,022$83,229
$166,500$231,400
$858$944
Mercer County
40,88442,438
$62,952$78,036
$153,800$208,600
$679$812
Age & race/ethnicity
Age distribution (share)
| Madison County | Mercer County | |
|---|---|---|
| Under 5 | 5.0% | 7.2% |
| 5 to 17 | 15.1% | 18.9% |
| 18 to 24 | 7.4% | 8.0% |
| 25 to 34 | 13.4% | 11.2% |
| 35 to 44 | 14.4% | 11.1% |
| 45 to 54 | 14.7% | 11.3% |
| 55 to 64 | 13.9% | 13.6% |
| 65 to 74 | 9.6% | 11.0% |
| 75 and over | 6.5% | 7.6% |
Race & ethnicity (share)
| Madison County | Mercer County | |
|---|---|---|
| White (non-Hispanic) | 86.5% | 94.4% |
| Black or African American | 4.7% | 0.6% |
| American Indian & Alaska Native | 0.2% | 0.0% |
| Asian | 0.9% | 0.5% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 0.4% | 0.0% |
| Two or more races | 4.4% | 2.3% |
| Hispanic or Latino | 2.9% | 2.2% |
Educational attainment (age 25+)
Share of adults 25+
| Madison County | Mercer County | |
|---|---|---|
| No high school diploma | 11.1% | 5.3% |
| High school graduate | 37.8% | 43.5% |
| Some college or associate's | 28.8% | 29.0% |
| Bachelor's degree | 15.3% | 14.2% |
| Graduate or professional degree | 7.1% | 8.0% |
Commute to work
How workers get to work (share)
| Madison County | Mercer County | |
|---|---|---|
| Drove alone | 77.4% | 87.5% |
| Carpooled | 7.5% | 6.4% |
| Public transit | 0.3% | 0.1% |
| Walked | 1.2% | 1.6% |
| Bicycle | 0.0% | 0.3% |
| Worked from home | 12.9% | 3.7% |
| Other means | 0.6% | 0.4% |
Housing
Units in structure (share)
| Madison County | Mercer County | |
|---|---|---|
| 1-unit, detached | 79.1% | 81.3% |
| 1-unit, attached | 2.4% | 1.5% |
| 2 to 4 units | 5.9% | 6.7% |
| 5 to 19 units | 5.0% | 2.7% |
| 20 or more units | 2.8% | 1.8% |
| Mobile home & other | 4.7% | 6.0% |
Poverty & households
| Madison County | Mercer County | |
|---|---|---|
| Poverty rate | 9.7% | 6.1% |
| Average household size | 2.56 | 2.57 |
| Mean commute (minutes) | 25 | 19 |
| Median year structure built | 1975 | 1974 |
Full profiles
2Related rankings
21- Largest by population — counties in Ohio
- Most densely populated — counties in Ohio
- Highest median household income — counties in Ohio
- Highest median home value — counties in Ohio
- Most affordable home values — counties in Ohio
- Highest median gross rent — counties in Ohio
- Cheapest median gross rent — counties in Ohio
- Oldest by median age — counties in Ohio
- Youngest by median age — counties in Ohio
- Most college-educated — counties in Ohio
- Highest poverty rate — counties in Ohio
- Lowest poverty rate — counties in Ohio
- Highest homeownership rate — counties in Ohio
- Lowest homeownership rate — counties in Ohio
- Longest commutes — counties in Ohio
- Shortest commutes — counties in Ohio
- Largest households — counties in Ohio
- Newest housing — counties in Ohio
- Oldest housing — counties in Ohio
- Fastest-growing (2019–2023) — counties in Ohio
- Fastest-shrinking (2019–2023) — counties in Ohio