| Index | Garretts Mill | Maryland | National |
| Median home price | $200,800 | $287,500 | $175,700 |
| Median rent asked | $0 | $1,218 | $920 |
| Avg. people per household | 3.3 | 2.6 | 2.6 |
| Owner occupied households | 90.6% | 67.1% | 64.4% |
| Renter occupied households | 9.4% | 32.9% | 35.6% |
| Index | Garretts Mill | Maryland | National |
| Zillow home value index | n/a | $270,200 | $196,500 |
| Year over year appreciation rate | n/a | 5.01% | 6.79% |
| 5 year average appreciation rate | n/a | 3.84% | 5.28% |
| 10 year average appreciation rate | n/a | -1.76% | 0.01% |
| City, State | Population | Home Price | National Avg. |
| Bakersville, MD | 0 | $0 | 100% |
| Gapland, MD | 78 | $0 | 100% |
| Brownsville, MD | 309 | $0 | 100% |
| Trego-Rohrersville Station, MD | 86 | $0 | 100% |
| Eakles Mill, MD | 0 | $0 | 100% |
| Garretts Mill, MD | 391 | $200,800 | 14% |
| City, State | Population | Home Price | National Avg. |
| Momeyer, NC | 391 | $97,500 | 45% |
| Uplands Park, MO | 391 | $76,300 | 57% |
| Hookerton, NC | 391 | $89,800 | 49% |
| Amherst Junction, WI | 391 | $160,300 | 9% |
| Bakersville, NC | 391 | $157,800 | 10% |
| Garretts Mill, MD | 391 | $200,800 | 14% |