| Statistic | Dahlgren Center | Virginia | National |
| Population | 696 | 8,535,519 | 328,239,523 |
| Population density (sq mi) | 170 | 218 | 91 |
| Median age | 24.0 | 37.8 | 37.7 |
| Male/Female ratio | 1.1:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | 55% | 57% | 55% |
| Families w/ Kids under 18 | 67% | 44% | 43% |
| Speak English | 83% | 84% | 79% |
| Speak Spanish | 12% | 7% | 13% |
| Race | Dahlgren Center | Virginia | National |
| White | 68.82% | 68.75% | 73.35% |
| Black | 14.51% | 19.21% | 12.63% |
| Asian | 2.30% | 6.05% | 5.22% |
| American Indian | 0.00% | 0.26% | 0.82% |
| Native Hawaiian | 0.00% | 0.07% | 0.18% |
| Mixed race | 11.78% | 3.37% | 3.06% |
| Other race | 2.59% | 2.30% | 4.75% |
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