| 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. | |
| Cearfoss, MD | 120 | $0 | 100% |
| Antietam, MD | 47 | $0 | 100% |
| Eakles Mill, MD | 0 | $0 | 100% |
| Kemps Mill, MD | 0 | $0 | 100% |
| Reid, MD | 0 | $0 | 100% |
| Mercersville, MD | 195 | $0 | 100% |
| Population | Home Price | National Avg. | |
| Aneta, ND | 195 | $102,239 | 69% |
| Corunna, IN | 195 | $108,949 | 67% |
| Elberta, MI | 195 | $214,746 | 34% |
| Tamaha, OK | 195 | $133,661 | 59% |
| La Paloma Ranchettes, TX | 195 | $0 | 100% |
| Mercersville, MD | 195 | $0 | 100% |