| Index | Dahlgren | Virginia | National |
| Cost of living | 121 | 111 | 100 |
| Groceries | 106 | 103 | 100 |
| Health care | 112 | 103 | 100 |
| Housing | 145 | 129 | 100 |
| Transportation | 112 | 105 | 100 |
| Utilities | 112 | 104 | 100 |
| Lifestyle & Entertainment | 113 | 103 | 100 |
| Household Items | 104 | 102 | 100 |
| Education & Childcare | 114 | 109 | 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 | $174,906 | $14,576 | $4,081 | $5,248 |
| Renters | $85,157 | $7,096 | $1,987 | $2,555 |
| State | General Sales Tax | With Max Surtax |
| Virginia | 5.3% | 6% |
| State | Income Tax (Low) | Income Tax (High) |
| Virginia | 2% | 5.75% |
| City | Population | Cost of Living Index | National Avg. |
| Port Tobacco Village, MD | 4 | 110 | 10.1% |
| Rock Point, MD | 64 | 110 | 10.1% |
| Port Royal, VA | 154 | 107 | 7.4% |
| Colonial Beach, VA | 3,675 | 111 | 11.4% |
| Quantico, VA | 475 | 108 | 7.7% |
| Dahlgren, VA | 3,645 | 121 | 20.5% |
| City | Population | Cost of Living Index | National Avg. |
| Lincoln Park, CO | 3,645 | 105 | 4.6% |
| Roselawn, IN | 3,644 | 91 | 9.0% |
| Montauk, NY | 3,644 | 205 | 105.2% |
| Morris-Turnberry, ON | 3,644 | n/a | |
| Kimberly, AL | 3,646 | 101 | 1.2% |
| Dahlgren, VA | 3,645 | 121 | 20.5% |