| PEOPLE | Valhalla | Ellicott City | United States |
| Population | 3,162 | 65,834 | 308,035,306 |
| Pop. Density | 3,810 | 2,198 | 87 |
| Pop. Change | -0.66% | 24.31% | 8.07% |
| Median Age | 41.5 | 40.7 | 37.3 |
| Households | 1,157 | 23,734 | 116,716,292 |
| Household Size | 2.75 | 2.76 | 2.58 |
| Male Population | 48.48% | 48.71% | 49.27% |
| Female Population | 51.52% | 51.29% | 50.96% |
| Married Population | 57.68% | 59.37% | 47.02% |
| Single Population | 42.32% | 40.63% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 4.90% | 5.61% | 6.56% |
| Age 5 to 9 | 7.27% | 7.47% | 6.61% |
| Age 10 to 14 | 7.84% | 8.07% | 6.71% |
| Age 15 to 17 | 3.57% | 5.30% | 4.21% |
| Age 18 to 20 | 1.74% | 2.01% | 2.95% |
| Age 21 to 24 | 4.87% | 4.51% | 7.01% |
| Age 25 to 34 | 10.53% | 9.39% | 13.33% |
| Age 35 to 44 | 15.37% | 14.66% | 13.33% |
| Age 45 to 49 | 17.58% | 17.73% | 14.61% |
| Age 50 to 54 | 17.58% | 17.73% | 14.61% |
| Age 55 to 59 | 10.88% | 13.20% | 11.84% |
| Age 60 to 64 | 10.88% | 13.20% | 11.84% |
| Age 65 to 74 | 8.03% | 6.71% | 7.05% |
| Age 75 to 84 | 5.38% | 3.88% | 4.24% |
| Age 85 and over | 2.02% | 1.46% | 1.78% |
| RACE | | | |
| White | 85.96% | 64.48% | 72.41% |
| Black | 1.33% | 8.48% | 12.61% |
| Asian | 6.29% | 22.87% | 4.75% |
| American Indian | 0.13% | 0.20% | 0.95% |
| Other | 6.29% | 3.96% | 9.28% |
| Hispanic | 0.00% | 3.24% | 16.35% |
| Non-Hispanic | 100.00% | 96.76% | 83.65% |
| FAMILY | | | |
| Married, w/children | 39.12% | 43.33% | 30.42% |
| Married, no children | 42.49% | 41.96% | 42.46% |
| Single, w/children | 7.33% | 7.75% | 14.39% |
| Single, no children | 11.06% | 6.97% | 12.73% |
| Divorced | 5.86% | 5.74% | 10.62% |
| Separated | 1.86% | 4.00% | 4.97% |
| Widowed | 7.65% | 4.38% | 6.14% |
| Now Married | 57.89% | 59.93% | 46.32% |
| Never Married | 26.74% | 25.95% | 31.95% |