| PEOPLE | Vienna | Dover | United States |
| Population | 10,749 | 18,157 | 308,035,306 |
| Pop. Density | 2,836 | 6,766 | 87 |
| Pop. Change | -1.48% | 0.38% | 8.07% |
| Median Age | 43.9 | 35.5 | 37.3 |
| Households | 4,707 | 5,562 | 116,716,292 |
| Household Size | 2.24 | 3.22 | 2.58 |
| Male Population | 47.01% | 52.58% | 49.27% |
| Female Population | 52.99% | 47.42% | 50.96% |
| Married Population | 56.53% | 36.38% | 47.02% |
| Single Population | 43.47% | 63.62% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 4.91% | 6.68% | 6.56% |
| Age 5 to 9 | 5.47% | 5.92% | 6.61% |
| Age 10 to 14 | 5.94% | 5.42% | 6.71% |
| Age 15 to 17 | 3.85% | 3.56% | 4.21% |
| Age 18 to 20 | 2.39% | 2.79% | 2.95% |
| Age 21 to 24 | 5.77% | 7.73% | 7.01% |
| Age 25 to 34 | 11.44% | 17.21% | 13.33% |
| Age 35 to 44 | 11.55% | 15.62% | 13.33% |
| Age 45 to 49 | 14.57% | 14.72% | 14.61% |
| Age 50 to 54 | 14.57% | 14.72% | 14.61% |
| Age 55 to 59 | 14.47% | 9.82% | 11.84% |
| Age 60 to 64 | 14.47% | 9.82% | 11.84% |
| Age 65 to 74 | 10.51% | 5.54% | 7.05% |
| Age 75 to 84 | 6.58% | 3.30% | 4.24% |
| Age 85 and over | 2.55% | 1.70% | 1.78% |
| RACE | | | |
| White | 95.92% | 66.55% | 72.41% |
| Black | 1.11% | 6.10% | 12.61% |
| Asian | 1.44% | 2.54% | 4.75% |
| American Indian | 0.20% | 0.63% | 0.95% |
| Other | 1.34% | 24.18% | 9.28% |
| Hispanic | 3.85% | 0.00% | 16.35% |
| Non-Hispanic | 96.15% | 100.00% | 83.65% |
| FAMILY | | | |
| Married, w/children | 25.70% | 29.12% | 30.42% |
| Married, no children | 52.13% | 33.38% | 42.46% |
| Single, w/children | 11.72% | 18.21% | 14.39% |
| Single, no children | 10.45% | 19.29% | 12.73% |
| Divorced | 11.39% | 10.08% | 10.62% |
| Separated | 2.29% | 11.18% | 4.97% |
| Widowed | 9.29% | 5.99% | 6.14% |
| Now Married | 56.20% | 36.76% | 46.32% |
| Never Married | 20.83% | 35.98% | 31.95% |
