| Index | Dahlgren | Virginia | National |
| Income per capita | $53,766 | $52,412 | $44,883 |
| Median household income | $149,870 | $97,559 | $81,333 |
| Median income owner occupied | $174,906 | $122,661 | $106,172 |
| Median income renter occupied | $85,157 | $62,827 | $52,080 |
| Median earnings male | $76,137 | $61,054 | $54,343 |
| Median earnings female | $41,853 | $44,172 | $38,439 |
| Unemployment rate | 2.6% | 4.0% | 4.9% |
| Poverty level | 4.1% | 11.4% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 4.2% | 4.2% |
| Manufacturing sector | 7.9% | 7.9% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 10.0% | 10.0% |
| Public administration | 35.4% | 35.4% |
| Transportation, warehousing & utilities | 1.4% | 1.4% |
| Education, health & social services | 4.0% | 4.0% |
| Other | 37.1% | 37.1% |
| City | Population | Household Income | National Avg. |
| Bryantown, MD | 481 | $197,627 | 143.0% |
| Potomac Mills, VA | 7,096 | $175,267 | 115.5% |
| Passapatanzy, VA | 1,202 | $143,742 | 76.7% |
| La Plata, MD | 9,875 | $142,386 | 75.1% |
| Triangle, VA | 10,821 | $138,186 | 69.9% |
| Dahlgren, VA | 3,645 | $149,870 | 84.3% |
| City | Population | Household Income | National Avg. |
| Lincoln Park, CO | 3,645 | $102,960 | 26.6% |
| Roselawn, IN | 3,644 | $98,153 | 20.7% |
| Montauk, NY | 3,644 | $152,663 | 87.7% |
| Morris-Turnberry, ON | 3,644 | n/a | |
| Kimberly, AL | 3,646 | $140,146 | 72.3% |
| Dahlgren, VA | 3,645 | $149,870 | 84.3% |