| PEOPLE | Waltham | Augusta-Richmond County | United States |
| Population | 60,632 | 195,844 | 308,035,306 |
| Pop. Density | 4,763 | 647 | 87 |
| Pop. Change | 1.28% | -2.24% | 8.07% |
| Median Age | 34 | 33.2 | 37.3 |
| Households | 23,690 | 75,208 | 116,716,292 |
| Household Size | 2.28 | 2.46 | 2.58 |
| Male Population | 49.82% | 48.40% | 49.27% |
| Female Population | 50.18% | 51.60% | 50.96% |
| Married Population | 36.68% | 34.33% | 47.02% |
| Single Population | 63.32% | 65.67% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 5.26% | 7.43% | 6.56% |
| Age 5 to 9 | 3.65% | 6.68% | 6.61% |
| Age 10 to 14 | 3.45% | 6.28% | 6.71% |
| Age 15 to 17 | 2.23% | 4.18% | 4.21% |
| Age 18 to 20 | 5.90% | 3.63% | 2.95% |
| Age 21 to 24 | 12.49% | 8.96% | 7.01% |
| Age 25 to 34 | 18.79% | 15.21% | 13.33% |
| Age 35 to 44 | 12.82% | 11.55% | 13.33% |
| Age 45 to 49 | 12.47% | 13.62% | 14.61% |
| Age 50 to 54 | 12.47% | 13.62% | 14.61% |
| Age 55 to 59 | 10.65% | 11.16% | 11.84% |
| Age 60 to 64 | 10.65% | 11.16% | 11.84% |
| Age 65 to 74 | 6.10% | 6.28% | 7.05% |
| Age 75 to 84 | 4.20% | 3.70% | 4.24% |
| Age 85 and over | 1.99% | 1.33% | 1.78% |
| RACE | | | |
| White | 75.37% | 39.10% | 72.41% |
| Black | 6.02% | 54.73% | 12.61% |
| Asian | 9.66% | 1.69% | 4.75% |
| American Indian | 0.23% | 0.34% | 0.95% |
| Other | 8.72% | 4.14% | 9.28% |
| Hispanic | 1.94% | 1.69% | 16.35% |
| Non-Hispanic | 98.06% | 98.31% | 83.65% |
| FAMILY | | | |
| Married, w/children | 28.84% | 20.68% | 30.42% |
| Married, no children | 46.62% | 35.19% | 42.46% |
| Single, w/children | 9.36% | 23.77% | 14.39% |
| Single, no children | 15.17% | 20.36% | 12.73% |
| Divorced | 7.59% | 14.08% | 10.62% |
| Separated | 5.75% | 6.28% | 4.97% |
| Widowed | 5.51% | 8.00% | 6.14% |
| Now Married | 36.47% | 34.43% | 46.32% |
| Never Married | 44.68% | 37.22% | 31.95% |
