| PEOPLE | Worcester | Marblehead | United States |
| Population | 181,045 | 19,808 | 308,035,306 |
| Pop. Density | 4,845 | 4,515 | 87 |
| Pop. Change | 5.65% | -3.71% | 8.07% |
| Median Age | 33.5 | 45.7 | 37.3 |
| Households | 68,613 | 8,144 | 116,716,292 |
| Household Size | 2.47 | 2.42 | 2.58 |
| Male Population | 48.69% | 47.23% | 49.27% |
| Female Population | 51.31% | 52.77% | 50.96% |
| Married Population | 34.93% | 55.93% | 47.02% |
| Single Population | 65.07% | 44.07% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 6.56% | 5.17% | 6.56% |
| Age 5 to 9 | 5.90% | 7.48% | 6.61% |
| Age 10 to 14 | 5.79% | 7.75% | 6.71% |
| Age 15 to 17 | 3.82% | 4.58% | 4.21% |
| Age 18 to 20 | 4.79% | 1.46% | 2.95% |
| Age 21 to 24 | 10.52% | 3.04% | 7.01% |
| Age 25 to 34 | 14.68% | 5.95% | 13.33% |
| Age 35 to 44 | 12.98% | 13.23% | 13.33% |
| Age 45 to 49 | 13.30% | 18.03% | 14.61% |
| Age 50 to 54 | 13.30% | 18.03% | 14.61% |
| Age 55 to 59 | 9.98% | 16.33% | 11.84% |
| Age 60 to 64 | 9.98% | 16.33% | 11.84% |
| Age 65 to 74 | 5.45% | 9.31% | 7.05% |
| Age 75 to 84 | 4.02% | 5.27% | 4.24% |
| Age 85 and over | 2.21% | 2.39% | 1.78% |
| RACE | | | |
| White | 69.43% | 96.36% | 72.41% |
| Black | 11.63% | 0.76% | 12.61% |
| Asian | 6.09% | 1.02% | 4.75% |
| American Indian | 0.42% | 0.11% | 0.95% |
| Other | 12.42% | 1.75% | 9.28% |
| Hispanic | 0.00% | 2.54% | 16.35% |
| Non-Hispanic | 100.00% | 97.46% | 83.65% |
| FAMILY | | | |
| Married, w/children | 25.85% | 38.65% | 30.42% |
| Married, no children | 34.36% | 45.05% | 42.46% |
| Single, w/children | 22.43% | 8.63% | 14.39% |
| Single, no children | 17.35% | 7.66% | 12.73% |
| Divorced | 10.18% | 9.43% | 10.62% |
| Separated | 5.45% | 3.14% | 4.97% |
| Widowed | 6.80% | 6.94% | 6.14% |
| Now Married | 34.80% | 55.03% | 46.32% |
| Never Married | 42.77% | 25.46% | 31.95% |
