| Index | St. Clair | Pennsylvania | National |
| Median home price | $118,326 | $296,372 | $326,622 |
| Median rent asked | $1,046 | $1,283 | $1,444 |
| Avg. people per household | 2.0 | 2.4 | 2.6 |
| Owner occupied households | 76.8% | 69.0% | 63.6% |
| Renter occupied households | 23.2% | 31.0% | 36.4% |

| Population | Home Price | National Avg. | |
| Deer Lake CDP, PA | 472 | $0 | 100% |
| Shenandoah Heights, PA | 1,623 | $0 | 100% |
| Slabtown, PA | 162 | $0 | 100% |
| Centralia, PA | 0 | $0 | 100% |
| Strong, PA | 199 | $0 | 100% |
| St. Clair, PA | 2,948 | $118,326 | 64% |
| Population | Home Price | National Avg. | |
| Watonga, OK | 2,947 | $155,238 | 52% |
| Lido Beach, NY | 2,949 | $1,199,511 | 267% |
| New Hope, AL | 2,949 | $229,924 | 30% |
| Mountain View, AR | 2,946 | $305,966 | 6% |
| New Madrid, MO | 2,946 | $152,535 | 53% |
| St. Clair, PA | 2,948 | $118,326 | 64% |