| PEOPLE | Willimantic | Stamford | United States |
| Population | 17,737 | 122,643 | 308,035,306 |
| Pop. Density | 4,033 | 3,258 | 87 |
| Pop. Change | 11.79% | 12.56% | 8.07% |
| Median Age | 26.5 | 37.1 | 37.3 |
| Households | 5,812 | 47,357 | 116,716,292 |
| Household Size | 2.57 | 2.57 | 2.58 |
| Male Population | 49.33% | 49.25% | 49.27% |
| Female Population | 50.67% | 50.75% | 50.96% |
| Married Population | 26.62% | 43.66% | 47.02% |
| Single Population | 73.38% | 56.34% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 6.20% | 6.77% | 6.56% |
| Age 5 to 9 | 5.86% | 5.71% | 6.61% |
| Age 10 to 14 | 5.63% | 5.58% | 6.71% |
| Age 15 to 17 | 3.76% | 3.50% | 4.21% |
| Age 18 to 20 | 10.08% | 1.83% | 2.95% |
| Age 21 to 24 | 16.13% | 5.96% | 7.01% |
| Age 25 to 34 | 13.80% | 17.40% | 13.33% |
| Age 35 to 44 | 10.95% | 15.09% | 13.33% |
| Age 45 to 49 | 11.07% | 14.22% | 14.61% |
| Age 50 to 54 | 11.07% | 14.22% | 14.61% |
| Age 55 to 59 | 7.97% | 10.81% | 11.84% |
| Age 60 to 64 | 7.97% | 10.81% | 11.84% |
| Age 65 to 74 | 4.06% | 6.36% | 7.05% |
| Age 75 to 84 | 2.86% | 4.51% | 4.24% |
| Age 85 and over | 1.63% | 2.25% | 1.78% |
| RACE | | | |
| White | 65.99% | 64.96% | 72.41% |
| Black | 7.46% | 13.91% | 12.61% |
| Asian | 1.86% | 7.89% | 4.75% |
| American Indian | 0.60% | 0.32% | 0.95% |
| Other | 24.09% | 12.92% | 9.28% |
| Hispanic | 31.04% | 9.50% | 16.35% |
| Non-Hispanic | 68.96% | 90.50% | 83.65% |
| FAMILY | | | |
| Married, w/children | 23.68% | 34.36% | 30.42% |
| Married, no children | 29.75% | 39.51% | 42.46% |
| Single, w/children | 29.12% | 12.14% | 14.39% |
| Single, no children | 17.45% | 13.98% | 12.73% |
| Divorced | 11.16% | 8.54% | 10.62% |
| Separated | 10.73% | 6.25% | 4.97% |
| Widowed | 5.62% | 6.37% | 6.14% |
| Now Married | 26.59% | 44.53% | 46.32% |
| Never Married | 45.90% | 34.30% | 31.95% |
