| PEOPLE | Stony Brook | Manlius | United States |
| Population | 13,740 | 4,704 | 308,035,306 |
| Pop. Density | 2,363 | 2,635 | 87 |
| Pop. Change | -30.00% | -2.08% | 8.07% |
| Median Age | 43 | 42.3 | 37.3 |
| Households | 4,846 | 2,035 | 116,716,292 |
| Household Size | 2.82 | 2.36 | 2.58 |
| Male Population | 48.96% | 46.64% | 49.27% |
| Female Population | 51.04% | 53.36% | 50.96% |
| Married Population | 60.31% | 56.26% | 47.02% |
| Single Population | 39.69% | 43.74% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 4.95% | 4.87% | 6.56% |
| Age 5 to 9 | 6.69% | 6.21% | 6.61% |
| Age 10 to 14 | 7.84% | 7.93% | 6.71% |
| Age 15 to 17 | 4.57% | 5.08% | 4.21% |
| Age 18 to 20 | 1.97% | 1.89% | 2.95% |
| Age 21 to 24 | 6.11% | 5.00% | 7.01% |
| Age 25 to 34 | 7.45% | 10.84% | 13.33% |
| Age 35 to 44 | 13.61% | 12.01% | 13.33% |
| Age 45 to 49 | 16.78% | 16.45% | 14.61% |
| Age 50 to 54 | 16.78% | 16.45% | 14.61% |
| Age 55 to 59 | 13.28% | 13.01% | 11.84% |
| Age 60 to 64 | 13.28% | 13.01% | 11.84% |
| Age 65 to 74 | 9.11% | 7.25% | 7.05% |
| Age 75 to 84 | 5.49% | 5.63% | 4.24% |
| Age 85 and over | 2.16% | 3.83% | 1.78% |
| RACE | | | |
| White | 88.58% | 90.82% | 72.41% |
| Black | 1.67% | 1.79% | 12.61% |
| Asian | 7.52% | 5.46% | 4.75% |
| American Indian | 0.08% | 0.23% | 0.95% |
| Other | 2.15% | 1.70% | 9.28% |
| Hispanic | 4.32% | 1.48% | 16.35% |
| Non-Hispanic | 95.68% | 98.52% | 83.65% |
| FAMILY | | | |
| Married, w/children | 39.75% | 36.54% | 30.42% |
| Married, no children | 47.91% | 41.92% | 42.46% |
| Single, w/children | 5.15% | 12.34% | 14.39% |
| Single, no children | 7.20% | 9.20% | 12.73% |
| Divorced | 5.48% | 8.13% | 10.62% |
| Separated | 2.90% | 3.39% | 4.97% |
| Widowed | 5.77% | 8.69% | 6.14% |
| Now Married | 59.46% | 56.27% | 46.32% |
| Never Married | 26.38% | 23.54% | 31.95% |