| PEOPLE | Manassas | Highlands Ranch | United States |
| Population | 37,821 | 96,713 | 308,035,306 |
| Pop. Density | 3,828 | 3,986 | 87 |
| Pop. Change | 8.56% | 40.35% | 8.07% |
| Median Age | 32.2 | 36.1 | 37.3 |
| Households | 12,527 | 34,054 | 116,716,292 |
| Household Size | 3.02 | 2.83 | 2.58 |
| Male Population | 50.15% | 49.09% | 49.27% |
| Female Population | 49.85% | 50.91% | 50.96% |
| Married Population | 48.03% | 62.95% | 47.02% |
| Single Population | 51.97% | 37.05% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 8.45% | 7.98% | 6.56% |
| Age 5 to 9 | 7.78% | 9.79% | 6.61% |
| Age 10 to 14 | 7.53% | 9.28% | 6.71% |
| Age 15 to 17 | 4.66% | 4.92% | 4.21% |
| Age 18 to 20 | 2.65% | 1.84% | 2.95% |
| Age 21 to 24 | 6.95% | 3.06% | 7.01% |
| Age 25 to 34 | 16.51% | 11.07% | 13.33% |
| Age 35 to 44 | 14.54% | 19.30% | 13.33% |
| Age 45 to 49 | 14.40% | 16.86% | 14.61% |
| Age 50 to 54 | 14.40% | 16.86% | 14.61% |
| Age 55 to 59 | 9.65% | 9.26% | 11.84% |
| Age 60 to 64 | 9.65% | 9.26% | 11.84% |
| Age 65 to 74 | 4.06% | 3.84% | 7.05% |
| Age 75 to 84 | 1.97% | 2.08% | 4.24% |
| Age 85 and over | 0.86% | 0.73% | 1.78% |
| RACE | | | |
| White | 61.70% | 88.71% | 72.41% |
| Black | 13.72% | 1.20% | 12.61% |
| Asian | 4.98% | 5.58% | 4.75% |
| American Indian | 0.61% | 0.36% | 0.95% |
| Other | 18.99% | 4.14% | 9.28% |
| Hispanic | 0.35% | 44.04% | 16.35% |
| Non-Hispanic | 99.65% | 55.96% | 83.65% |
| FAMILY | | | |
| Married, w/children | 37.50% | 50.67% | 30.42% |
| Married, no children | 34.88% | 36.01% | 42.46% |
| Single, w/children | 15.74% | 9.11% | 14.39% |
| Single, no children | 11.87% | 4.21% | 12.73% |
| Divorced | 8.66% | 8.03% | 10.62% |
| Separated | 7.16% | 2.72% | 4.97% |
| Widowed | 4.44% | 2.64% | 6.14% |
| Now Married | 48.66% | 62.19% | 46.32% |
| Never Married | 31.08% | 24.41% | 31.95% |
