| Index | St. Clair | Michigan | National |
| Median home price | $129,400 | $120,200 | $175,700 |
| Median rent asked | $675 | $780 | $920 |
| Avg. people per household | 2.2 | 2.5 | 2.6 |
| Owner occupied households | 73.0% | 71.5% | 64.4% |
| Renter occupied households | 27.0% | 28.5% | 35.6% |
| Index | St. Clair | Michigan | National |
| Zillow home value index | n/a | $132,300 | $196,500 |
| Year over year appreciation rate | n/a | 7.91% | 6.79% |
| 5 year average appreciation rate | n/a | 8.20% | 5.28% |
| 10 year average appreciation rate | n/a | -0.30% | 0.01% |
| City, State | Population | Home Price | National Avg. |
| Port Huron, MI | 29,534 | $77,100 | 56% |
| Marine City, MI | 4,193 | $82,700 | 53% |
| Memphis, MI | 1,200 | $99,000 | 44% |
| Algonac, MI | 4,065 | $102,500 | 42% |
| Richmond, MI | 5,806 | $113,400 | 35% |
| St. Clair, MI | 5,428 | $129,400 | 26% |
| City, State | Population | Home Price | National Avg. |
| Pawcatuck, CT | 5,428 | $266,900 | 52% |
| Woodside, CA | 5,427 | $3,227,900 | 1,737% |
| East Freehold, NJ | 5,429 | $448,800 | 155% |
| Lehighton, PA | 5,427 | $133,900 | 24% |
| Pelican Bay, FL | 5,426 | $743,800 | 323% |
| St. Clair, MI | 5,428 | $129,400 | 26% |