| PEOPLE | Allen | Beltsville | United States |
| Population | 84,246 | 16,772 | 308,035,306 |
| Pop. Density | 3,204 | 2,342 | 87 |
| Pop. Change | 98.25% | 11.28% | 8.07% |
| Median Age | 34.6 | 35.7 | 37.3 |
| Households | 27,870 | 5,494 | 116,716,292 |
| Household Size | 3.02 | 2.91 | 2.58 |
| Male Population | 49.10% | 48.63% | 49.27% |
| Female Population | 50.90% | 51.37% | 50.96% |
| Married Population | 63.85% | 39.54% | 47.02% |
| Single Population | 36.15% | 60.46% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 8.19% | 7.20% | 6.56% |
| Age 5 to 9 | 9.77% | 6.30% | 6.61% |
| Age 10 to 14 | 9.46% | 6.01% | 6.71% |
| Age 15 to 17 | 5.09% | 3.68% | 4.21% |
| Age 18 to 20 | 2.22% | 2.45% | 2.95% |
| Age 21 to 24 | 3.84% | 6.95% | 7.01% |
| Age 25 to 34 | 11.94% | 16.38% | 13.33% |
| Age 35 to 44 | 19.61% | 13.81% | 13.33% |
| Age 45 to 49 | 16.17% | 14.60% | 14.61% |
| Age 50 to 54 | 16.17% | 14.60% | 14.61% |
| Age 55 to 59 | 8.20% | 10.95% | 11.84% |
| Age 60 to 64 | 8.20% | 10.95% | 11.84% |
| Age 65 to 74 | 3.57% | 5.21% | 7.05% |
| Age 75 to 84 | 1.44% | 3.14% | 4.24% |
| Age 85 and over | 0.52% | 3.31% | 1.78% |
| RACE | | | |
| White | 72.01% | 36.41% | 72.41% |
| Black | 8.39% | 34.86% | 12.61% |
| Asian | 12.86% | 9.50% | 4.75% |
| American Indian | 0.55% | 0.52% | 0.95% |
| Other | 6.19% | 18.72% | 9.28% |
| Hispanic | 3.46% | 1.76% | 16.35% |
| Non-Hispanic | 96.54% | 98.24% | 83.65% |
| FAMILY | | | |
| Married, w/children | 50.74% | 30.26% | 30.42% |
| Married, no children | 32.34% | 35.12% | 42.46% |
| Single, w/children | 10.69% | 16.11% | 14.39% |
| Single, no children | 6.22% | 18.51% | 12.73% |
| Divorced | 7.65% | 10.39% | 10.62% |
| Separated | 2.74% | 7.27% | 4.97% |
| Widowed | 1.87% | 4.46% | 6.14% |
| Now Married | 64.75% | 39.57% | 46.32% |
| Never Married | 22.99% | 38.31% | 31.95% |
