| Index | St. Clair | Michigan | National |
| Median home price | $138,900 | $127,800 | $184,700 |
| Median rent asked | $675 | $799 | $949 |
| Avg. people per household | 2.1 | 2.5 | 2.6 |
| Owner occupied households | 75.5% | 70.8% | 63.6% |
| Renter occupied households | 24.5% | 29.2% | 36.4% |
| 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 | 29,388 | $74,100 | 60% |
| Marine City, MI | 4,161 | $86,000 | 53% |
| Emmett, MI | 259 | $89,000 | 52% |
| Algonac, MI | 4,047 | $95,800 | 48% |
| Memphis, MI | 1,196 | $104,500 | 43% |
| St. Clair, MI | 5,395 | $138,900 | 25% |
| City, State | Population | Home Price | National Avg. |
| St. Robert, MO | 5,396 | $191,200 | 4% |
| Conley, GA | 5,397 | $59,500 | 68% |
| Starke, FL | 5,398 | $89,600 | 51% |
| Samsula-Spruce Creek, FL | 5,392 | $285,000 | 54% |
| Fox Chapel, PA | 5,392 | $548,600 | 197% |
| St. Clair, MI | 5,395 | $138,900 | 25% |