| Index | St. Martin | Ohio | National |
| Median home price | $426,107 | $234,834 | $326,622 |
| Median rent asked | $0 | $1,117 | $1,444 |
| Avg. people per household | 2.1 | 2.4 | 2.6 |
| Owner occupied households | 84.3% | 66.0% | 63.6% |
| Renter occupied households | 15.7% | 34.0% | 36.4% |

| Population | Home Price | National Avg. | |
| Mowrystown, OH | 428 | $129,108 | 60% |
| Sardinia, OH | 1,371 | $150,680 | 54% |
| Newtonsville, OH | 459 | $157,348 | 52% |
| New Vienna, OH | 1,239 | $158,403 | 52% |
| Clarksville, OH | 469 | $165,087 | 49% |
| St. Martin, OH | 171 | $426,107 | 30% |
| Population | Home Price | National Avg. | |
| East Hope, ID | 171 | $498,619 | 53% |
| Zoar, OH | 171 | $399,096 | 22% |
| Reading, KS | 171 | $102,630 | 69% |
| Columbia, SD | 171 | $137,786 | 58% |
| Edison, NE | 171 | $50,573 | 85% |
| St. Martin, OH | 171 | $426,107 | 30% |