Monroe County vs St. Clair County
A side-by-side comparison of Monroe County and St. Clair County: population, income, housing, and more.
Monroe County and St. Clair County are counties in Michigan. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
St. Clair County has the higher population (160,089 vs 155,001 in Monroe County). Monroe County has the higher median household income ($75,272 vs $69,349 in St. Clair County). Monroe County has the higher median home value ($215,700 vs $213,900 in St. Clair County).
Population, income & housing
| Monroe County | St. Clair County | |
|---|---|---|
| Population | 155,001 | 160,089 |
| Median age | 42.6 yrs | 44.3 yrs |
| Median household income | $75,272 | $69,349 |
| Median home value | $215,700 | $213,900 |
| Median gross rent | $1,017 | $999 |
| Housing units | 66,300 | 72,467 |
| Homeownership rate | 81.2% | 80.5% |
| Bachelor's degree or higher | 23.4% | 20.3% |
| Unemployment rate | 5.0% | 6.4% |
Trends (ACS 5-year, 2019–2023)
| Monroe County | St. Clair County | |
|---|---|---|
| Population | 149,727 → 155,001 (+3.5%) | 159,247 → 160,089 (+0.5%) |
| Median household income | $62,203 → $75,272 (+21.0%) | $56,951 → $69,349 (+21.8%) |
| Median home value | $161,700 → $215,700 (+33.4%) | $154,300 → $213,900 (+38.6%) |
| Median gross rent | $834 → $1,017 (+21.9%) | $814 → $999 (+22.7%) |
Monroe County
149,727155,001
$62,203$75,272
$161,700$215,700
$834$1,017
St. Clair County
159,247160,089
$56,951$69,349
$154,300$213,900
$814$999
Age & race/ethnicity
Age distribution (share)
| Monroe County | St. Clair County | |
|---|---|---|
| Under 5 | 5.1% | 4.9% |
| 5 to 17 | 16.0% | 15.6% |
| 18 to 24 | 7.7% | 7.6% |
| 25 to 34 | 12.0% | 11.4% |
| 35 to 44 | 12.0% | 11.3% |
| 45 to 54 | 12.8% | 13.4% |
| 55 to 64 | 15.0% | 16.0% |
| 65 to 74 | 11.8% | 12.2% |
| 75 and over | 7.5% | 7.6% |
Race & ethnicity (share)
| Monroe County | St. Clair County | |
|---|---|---|
| White (non-Hispanic) | 89.2% | 90.0% |
| Black or African American | 2.2% | 2.2% |
| American Indian & Alaska Native | 0.1% | 0.1% |
| Asian | 0.4% | 0.5% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 0.3% | 0.3% |
| Two or more races | 3.5% | 3.3% |
| Hispanic or Latino | 4.2% | 3.6% |
Educational attainment (age 25+)
Share of adults 25+
| Monroe County | St. Clair County | |
|---|---|---|
| No high school diploma | 8.2% | 7.9% |
| High school graduate | 33.2% | 33.2% |
| Some college or associate's | 35.2% | 38.6% |
| Bachelor's degree | 15.0% | 12.8% |
| Graduate or professional degree | 8.4% | 7.5% |
Commute to work
How workers get to work (share)
| Monroe County | St. Clair County | |
|---|---|---|
| Drove alone | 82.7% | 80.5% |
| Carpooled | 6.6% | 9.3% |
| Public transit | 0.2% | 0.8% |
| Walked | 1.3% | 1.3% |
| Bicycle | 0.1% | 0.3% |
| Worked from home | 8.2% | 7.1% |
| Other means | 0.9% | 0.7% |
Housing
Units in structure (share)
| Monroe County | St. Clair County | |
|---|---|---|
| 1-unit, detached | 77.7% | 79.1% |
| 1-unit, attached | 2.3% | 2.8% |
| 2 to 4 units | 3.5% | 4.9% |
| 5 to 19 units | 5.4% | 3.8% |
| 20 or more units | 3.1% | 2.9% |
| Mobile home & other | 8.0% | 6.4% |
Poverty & households
| Monroe County | St. Clair County | |
|---|---|---|
| Poverty rate | 11.1% | 11.0% |
| Average household size | 2.46 | 2.38 |
| Mean commute (minutes) | 27 | 29 |
| Median year structure built | 1973 | 1975 |
Full profiles
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