| Index | Charlestown | Maryland | National |
| Cost of living | 116 | 121 | 100 |
| Groceries | 100 | 105 | 100 |
| Health care | 101 | 109 | 100 |
| Housing | 152 | 151 | 100 |
| Transportation | 100 | 109 | 100 |
| Utilities | 100 | 108 | 100 |
| Lifestyle & Entertainment | 102 | 109 | 100 |
| Household Items | 100 | 105 | 100 |
| Education & Childcare | 103 | 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 | $144,378 | $12,032 | $3,369 | $4,332 |
| Renters | $102,446 | $8,537 | $2,390 | $3,074 |
| 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. |
| Port Deposit, MD | 647 | 106 | 5.6% |
| Cecilton, MD | 925 | 102 | 1.7% |
| Perryman, MD | 2,461 | 107 | 6.6% |
| Betterton, MD | 425 | 107 | 7.4% |
| Aberdeen, MD | 16,231 | 108 | 7.7% |
| Charlestown, MD | 1,590 | 116 | 16.0% |
| City | Population | Cost of Living Index | National Avg. |
| St. Jacob, IL | 1,590 | 99 | 1.2% |
| Mio, MI | 1,590 | 82 | 18.1% |
| Canby, MN | 1,590 | 83 | 17.0% |
| Dayton, VA | 1,590 | 109 | 9.1% |
| Woodville, WI | 1,590 | 93 | 6.8% |
| Charlestown, MD | 1,590 | 116 | 16.0% |