| PEOPLE | Wilton | Syosset | United States |
| Population | 18,062 | 18,829 | 308,035,306 |
| Pop. Density | 674 | 3,786 | 87 |
| Pop. Change | 2.49% | 0.91% | 8.07% |
| Median Age | 42.8 | 42.8 | 37.3 |
| Households | 6,172 | 6,188 | 116,716,292 |
| Household Size | 2.89 | 3.01 | 2.58 |
| Male Population | 48.68% | 49.58% | 49.27% |
| Female Population | 51.32% | 50.42% | 50.96% |
| Married Population | 66.91% | 62.25% | 47.02% |
| Single Population | 33.09% | 37.75% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 5.88% | 5.00% | 6.56% |
| Age 5 to 9 | 9.32% | 7.26% | 6.61% |
| Age 10 to 14 | 10.35% | 8.78% | 6.71% |
| Age 15 to 17 | 5.91% | 5.71% | 4.21% |
| Age 18 to 20 | 1.61% | 1.70% | 2.95% |
| Age 21 to 24 | 2.59% | 4.13% | 7.01% |
| Age 25 to 34 | 4.07% | 6.98% | 13.33% |
| Age 35 to 44 | 14.07% | 13.93% | 13.33% |
| Age 45 to 49 | 19.36% | 17.85% | 14.61% |
| Age 50 to 54 | 19.36% | 17.85% | 14.61% |
| Age 55 to 59 | 13.05% | 13.84% | 11.84% |
| Age 60 to 64 | 13.05% | 13.84% | 11.84% |
| Age 65 to 74 | 6.95% | 7.43% | 7.05% |
| Age 75 to 84 | 4.40% | 5.41% | 4.24% |
| Age 85 and over | 2.44% | 1.98% | 1.78% |
| RACE | | | |
| White | 92.27% | 74.44% | 72.41% |
| Black | 1.00% | 0.83% | 12.61% |
| Asian | 4.58% | 22.17% | 4.75% |
| American Indian | 0.06% | 0.10% | 0.95% |
| Other | 2.10% | 2.46% | 9.28% |
| Hispanic | 1.32% | 2.05% | 16.35% |
| Non-Hispanic | 98.68% | 97.95% | 83.65% |
| FAMILY | | | |
| Married, w/children | 50.96% | 44.12% | 30.42% |
| Married, no children | 38.46% | 43.26% | 42.46% |
| Single, w/children | 5.56% | 4.91% | 14.39% |
| Single, no children | 5.03% | 7.72% | 12.73% |
| Divorced | 6.16% | 4.15% | 10.62% |
| Separated | 3.28% | 2.63% | 4.97% |
| Widowed | 5.17% | 6.17% | 6.14% |
| Now Married | 66.57% | 62.53% | 46.32% |
| Never Married | 18.82% | 24.52% | 31.95% |
