| PEOPLE | Melrose | Cambridge | United States |
| Population | 26,983 | 105,162 | 308,035,306 |
| Pop. Density | 5,767 | 16,469 | 87 |
| Pop. Change | -0.84% | 4.21% | 8.07% |
| Median Age | 41.9 | 30.3 | 37.3 |
| Households | 11,213 | 44,032 | 116,716,292 |
| Household Size | 2.39 | 2 | 2.58 |
| Male Population | 47.04% | 48.60% | 49.27% |
| Female Population | 52.96% | 51.40% | 50.96% |
| Married Population | 52.12% | 27.71% | 47.02% |
| Single Population | 47.88% | 72.29% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 5.92% | 4.30% | 6.56% |
| Age 5 to 9 | 6.27% | 2.92% | 6.61% |
| Age 10 to 14 | 6.18% | 2.59% | 6.71% |
| Age 15 to 17 | 3.64% | 1.62% | 4.21% |
| Age 18 to 20 | 1.46% | 5.02% | 2.95% |
| Age 21 to 24 | 4.04% | 15.76% | 7.01% |
| Age 25 to 34 | 12.09% | 28.69% | 13.33% |
| Age 35 to 44 | 15.38% | 11.93% | 13.33% |
| Age 45 to 49 | 15.94% | 8.88% | 14.61% |
| Age 50 to 54 | 15.94% | 8.88% | 14.61% |
| Age 55 to 59 | 13.29% | 8.79% | 11.84% |
| Age 60 to 64 | 13.29% | 8.79% | 11.84% |
| Age 65 to 74 | 7.73% | 5.23% | 7.05% |
| Age 75 to 84 | 5.38% | 2.94% | 4.24% |
| Age 85 and over | 2.68% | 1.34% | 1.78% |
| RACE | | | |
| White | 91.15% | 66.57% | 72.41% |
| Black | 2.43% | 11.65% | 12.61% |
| Asian | 3.79% | 15.10% | 4.75% |
| American Indian | 0.08% | 0.23% | 0.95% |
| Other | 2.55% | 6.45% | 9.28% |
| Hispanic | 11.04% | 0.69% | 16.35% |
| Non-Hispanic | 88.96% | 99.31% | 83.65% |
| FAMILY | | | |
| Married, w/children | 37.20% | 26.84% | 30.42% |
| Married, no children | 44.15% | 46.19% | 42.46% |
| Single, w/children | 7.79% | 13.18% | 14.39% |
| Single, no children | 10.87% | 13.79% | 12.73% |
| Divorced | 7.79% | 8.06% | 10.62% |
| Separated | 2.77% | 6.04% | 4.97% |
| Widowed | 6.81% | 3.45% | 6.14% |
| Now Married | 52.56% | 27.49% | 46.32% |
| Never Married | 30.08% | 54.96% | 31.95% |
