| Index | Garretts Mill | Maryland | National |
| Cost of living | 128 | 121 | 100 |
| Groceries | 104 | 105 | 100 |
| Health care | 110 | 109 | 100 |
| Housing | 174 | 151 | 100 |
| Transportation | 108 | 109 | 100 |
| Utilities | 109 | 108 | 100 |
| Lifestyle & Entertainment | 110 | 109 | 100 |
| Household Items | 105 | 105 | 100 |
| Education & Childcare | 111 | 112 | 100 |

| Cost of living index | |
| Groceries index | |
| Health care index | |
| Housing index | |
| Transportation index | |
| Utilities index | |
| Lifestyle index | |
| Household index | |
| Educare index |
| Median Income | Per Year | Per Month | Max Budget (28% DTI) | Max Budget (36% DTI) |
| Owners | $0 | $0 | $0 | $0 |
| Renters | $0 | $0 | $0 | $0 |
| State | General Sales Tax | With Max Surtax |
| Maryland | 6% | 6% |
| State | Income Tax (Low) | Income Tax (High) |
| Maryland | 2% | 5.75% |
| City | Population | Cost of Living Index | National Avg. |
| Eakles Mill, MD | 0 | 107 | 6.9% |
| Mount Briar, MD | 121 | 107 | 6.9% |
| Brownsville, MD | 27 | 108 | 7.7% |
| Trego-Rohrersville Station, MD | 105 | 108 | 7.7% |
| Gapland, MD | 62 | 108 | 7.7% |
| Garretts Mill, MD | 359 | 128 | 27.7% |
| City | Population | Cost of Living Index | National Avg. |
| Trinidad, CA | 359 | 163 | 62.9% |
| Bode, IA | 359 | 78 | 22.1% |
| Grand View, ID | 359 | 89 | 10.9% |
| Sedalia, KY | 359 | 82 | 17.5% |
| Anamoose, ND | 359 | 80 | 20.4% |
| Garretts Mill, MD | 359 | 128 | 27.7% |