| Index | Pen Mar | Pennsylvania | National |
| Median home price | $393,701 | $296,372 | $326,622 |
| Median rent asked | $0 | $1,283 | $1,444 |
| Avg. people per household | 3.1 | 2.4 | 2.6 |
| Owner occupied households | 92.5% | 69.0% | 63.6% |
| Renter occupied households | 7.5% | 31.0% | 36.4% |

| Population | Home Price | National Avg. | |
| Breathedsville, MD | 288 | $0 | 100% |
| Cearfoss, MD | 120 | $0 | 100% |
| Fort Ritchie, MD | 49 | $0 | 100% |
| Bakersville, MD | 0 | $0 | 100% |
| Pondsville, MD | 40 | $0 | 100% |
| Pen Mar, PA | 1,231 | $393,701 | 21% |
| Population | Home Price | National Avg. | |
| Lakeview, LA | 1,231 | $215,407 | 34% |
| La Plata, MO | 1,231 | $137,156 | 58% |
| Philadelphia, NY | 1,231 | $236,453 | 28% |
| Claysburg, PA | 1,231 | $220,758 | 32% |
| Califon, NJ | 1,231 | $642,056 | 97% |
| Pen Mar, PA | 1,231 | $393,701 | 21% |