| Index | Rosemont | Maryland | National |
| Cost of living | 127 | 121 | 100 |
| Groceries | 104 | 105 | 100 |
| Health care | 110 | 109 | 100 |
| Housing | 171 | 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 | $148,666 | $12,389 | $3,469 | $4,460 |
| Renters | $164,876 | $13,740 | $3,847 | $4,947 |
| 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. |
| Gapland, MD | 62 | 108 | 7.7% |
| Mercersville, MD | 195 | 107 | 6.9% |
| Mount Briar, MD | 121 | 107 | 6.9% |
| Bakersville, MD | 0 | 107 | 6.9% |
| Trego-Rohrersville Station, MD | 105 | 108 | 7.7% |
| Rosemont, MD | 332 | 127 | 26.8% |
| City | Population | Cost of Living Index | National Avg. |
| Eldorado Springs, CO | 332 | 109 | 8.9% |
| Silver City, IA | 332 | 85 | 14.6% |
| Oldtown, ID | 332 | 97 | 3.3% |
| Winslow, IL | 332 | 84 | 16.2% |
| Montpelier, LA | 332 | 84 | 15.9% |
| Rosemont, MD | 332 | 127 | 26.8% |