What homes there are
U.S. Census Bureau, ACS 5-year, 2020–2024
| Measure | St. Clair County | Michigan | United States |
|---|---|---|---|
| Detached house | 79% | 72% | 61% |
| Attached house | 3% | 5% | 6% |
| Building of 2 to 4 | 5% | 5% | 8% |
| Apartments (5 or more) | 7% | 13% | 19% |
| Mobile home | 7% | 5% | 6% |
| Boat, RV and other | Unreliable estimate | 0% | 0% |
The detached house rules in St. Clair County: 79% of homes, more than in Michigan (72%).
| Measure | St. Clair County | Michigan | United States |
|---|---|---|---|
| Before 1960 | 35% | 36% | 26% |
| 1960–1979 | 22% | 26% | 24% |
| 1980–1999 | 26% | 22% | 25% |
| 2000–2009 | 12% | 10% | 14% |
| 2010 or later | 5% | 6% | 11% |
The typical year built in St. Clair County is 1975, about the same as in Michigan (1972).
Homes in St. Clair County are bigger: 71% have 3 bedrooms or more; in Michigan, 65%.