| Index | Ernstville | Maryland | National |
| Median home price | $0 | $290,400 | $184,700 |
| Median rent asked | $0 | $1,264 | $949 |
| Avg. people per household | 1.0 | 2.6 | 2.6 |
| Owner occupied households | 100.0% | 66.5% | 63.6% |
| Renter occupied households | 0.0% | 33.5% | 36.4% |
| Population | Home Price | National Avg. | |
| Big Pool, MD | 85 | $0 | 100% |
| Fairview, MD | 16 | $0 | 100% |
| Mercersville, MD | 188 | $0 | 100% |
| Big Spring, MD | 50 | $0 | 100% |
| Bakersville, MD | 0 | $0 | 100% |
| Ernstville, MD | 25 | $0 | 100% |
| Population | Home Price | National Avg. | |
| Brinsmade, ND | 25 | $0 | 100% |
| Denver, MO | 25 | $13,100 | 93% |
| Boulder, WY | 25 | $0 | 100% |
| Ryan Park, WY | 25 | $0 | 100% |
| Milltown, SD | 25 | $0 | 100% |
| Ernstville, MD | 25 | $0 | 100% |
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