| Index | Mercersville | Maryland | National |
| Median home price | $0 | $517,567 | $326,622 |
| Median rent asked | $0 | $1,931 | $1,444 |
| Avg. people per household | 0.8 | 2.6 | 2.6 |
| Owner occupied households | 97.3% | 66.5% | 63.6% |
| Renter occupied households | 2.7% | 33.5% | 36.4% |

| Population | Home Price | National Avg. | |
| Brownsville, MD | 27 | $0 | 100% |
| Gapland, MD | 62 | $0 | 100% |
| Mount Briar, MD | 121 | $0 | 100% |
| Trego-Rohrersville Station, MD | 105 | $0 | 100% |
| Big Pool, MD | 87 | $0 | 100% |
| Mercersville, MD | 195 | $0 | 100% |
| Population | Home Price | National Avg. | |
| Elberta, MI | 195 | $214,746 | 34% |
| Tamaha, OK | 195 | $133,661 | 59% |
| La Paloma Ranchettes, TX | 195 | $0 | 100% |
| Letcher, SD | 195 | $0 | 100% |
| Glen Hope, PA | 195 | $149,427 | 54% |
| Mercersville, MD | 195 | $0 | 100% |