| Index | Garretts Mill | Maryland | National |
| Median home price | $569,040 | $517,567 | $326,622 |
| Median rent asked | $0 | $1,931 | $1,444 |
| Avg. people per household | 2.7 | 2.6 | 2.6 |
| Owner occupied households | 84.0% | 66.5% | 63.6% |
| Renter occupied households | 16.0% | 33.5% | 36.4% |

| Population | Home Price | National Avg. | |
| Antietam, MD | 47 | $0 | 100% |
| Eakles Mill, MD | 0 | $0 | 100% |
| Mount Briar, MD | 121 | $0 | 100% |
| Trego-Rohrersville Station, MD | 105 | $0 | 100% |
| Brownsville, MD | 27 | $0 | 100% |
| Garretts Mill, MD | 359 | $569,040 | 74% |
| Population | Home Price | National Avg. | |
| Bode, IA | 359 | $109,833 | 66% |
| Henderson, WV | 359 | $89,471 | 73% |
| San Carlos II, TX | 359 | $57,325 | 82% |
| West Manchester, OH | 359 | $150,110 | 54% |
| Searchlight, NV | 359 | $179,044 | 45% |
| Garretts Mill, MD | 359 | $569,040 | 74% |