| PEOPLE | South Windsor | Hauppauge | United States |
| Population | 25,709 | 20,882 | 308,035,306 |
| Pop. Density | 916 | 1,949 | 87 |
| Pop. Change | 4.93% | 3.42% | 8.07% |
| Median Age | 43.2 | 42.5 | 37.3 |
| Households | 9,918 | 7,333 | 116,716,292 |
| Household Size | 2.58 | 2.81 | 2.58 |
| Male Population | 48.25% | 49.07% | 49.27% |
| Female Population | 51.75% | 50.93% | 50.96% |
| Married Population | 57.96% | 55.38% | 47.02% |
| Single Population | 42.04% | 44.62% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 4.61% | 5.18% | 6.56% |
| Age 5 to 9 | 6.37% | 6.43% | 6.61% |
| Age 10 to 14 | 7.77% | 7.87% | 6.71% |
| Age 15 to 17 | 5.34% | 4.28% | 4.21% |
| Age 18 to 20 | 2.06% | 2.05% | 2.95% |
| Age 21 to 24 | 4.18% | 4.88% | 7.01% |
| Age 25 to 34 | 8.70% | 9.31% | 13.33% |
| Age 35 to 44 | 13.72% | 14.37% | 13.33% |
| Age 45 to 49 | 18.47% | 17.06% | 14.61% |
| Age 50 to 54 | 18.47% | 17.06% | 14.61% |
| Age 55 to 59 | 13.34% | 12.08% | 11.84% |
| Age 60 to 64 | 13.34% | 12.08% | 11.84% |
| Age 65 to 74 | 7.57% | 9.71% | 7.05% |
| Age 75 to 84 | 5.55% | 5.03% | 4.24% |
| Age 85 and over | 2.33% | 1.75% | 1.78% |
| RACE | | | |
| White | 84.58% | 89.16% | 72.41% |
| Black | 3.84% | 2.19% | 12.61% |
| Asian | 8.10% | 5.92% | 4.75% |
| American Indian | 0.18% | 0.13% | 0.95% |
| Other | 3.30% | 2.60% | 9.28% |
| Hispanic | 0.88% | 0.80% | 16.35% |
| Non-Hispanic | 99.12% | 99.20% | 83.65% |
| FAMILY | | | |
| Married, w/children | 37.95% | 37.45% | 30.42% |
| Married, no children | 45.13% | 47.47% | 42.46% |
| Single, w/children | 8.16% | 6.40% | 14.39% |
| Single, no children | 8.76% | 8.68% | 12.73% |
| Divorced | 9.22% | 9.01% | 10.62% |
| Separated | 0.98% | 3.89% | 4.97% |
| Widowed | 6.29% | 5.66% | 6.14% |
| Now Married | 57.17% | 54.59% | 46.32% |
| Never Married | 26.34% | 26.84% | 31.95% |
