| Index | Mercersville | Maryland | National |
| Median home price | $0 | $290,400 | $184,700 |
| Median rent asked | $0 | $1,264 | $949 |
| 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 | 115 | $0 | 100% |
| Antietam, MD | 45 | $0 | 100% |
| Eakles Mill, MD | 0 | $0 | 100% |
| Kemps Mill, MD | 0 | $0 | 100% |
| Reid, MD | 0 | $0 | 100% |
| Mercersville, MD | 188 | $0 | 100% |
| Population | Home Price | National Avg. | |
| Sun Valley Lake, IA | 188 | $341,500 | 85% |
| Bluff City, AR | 188 | $67,500 | 63% |
| Oakwood, MO | 188 | $323,700 | 75% |
| Herron, MT | 188 | $0 | 100% |
| Tehuacana, TX | 188 | $88,100 | 52% |
| Mercersville, MD | 188 | $0 | 100% |
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