| PEOPLE | Madison | Centereach | United States |
| Population | 305 | 31,578 | 308,035,306 |
| Pop. Density | 608 | 3,624 | 87 |
| Pop. Change | 3.41% | 4.70% | 8.07% |
| Median Age | 38.9 | 38.7 | 37.3 |
| Households | 131 | 10,026 | 116,716,292 |
| Household Size | 2.45 | 3.13 | 2.58 |
| Male Population | 47.21% | 49.94% | 49.27% |
| Female Population | 52.79% | 50.06% | 50.96% |
| Married Population | 48.50% | 51.60% | 47.02% |
| Single Population | 51.50% | 48.40% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 6.56% | 5.36% | 6.56% |
| Age 5 to 9 | 6.56% | 6.65% | 6.61% |
| Age 10 to 14 | 3.93% | 7.47% | 6.71% |
| Age 15 to 17 | 3.61% | 4.87% | 4.21% |
| Age 18 to 20 | 4.59% | 2.80% | 2.95% |
| Age 21 to 24 | 7.54% | 6.75% | 7.01% |
| Age 25 to 34 | 11.15% | 11.35% | 13.33% |
| Age 35 to 44 | 12.46% | 14.59% | 13.33% |
| Age 45 to 49 | 18.03% | 17.10% | 14.61% |
| Age 50 to 54 | 18.03% | 17.10% | 14.61% |
| Age 55 to 59 | 10.82% | 11.33% | 11.84% |
| Age 60 to 64 | 10.82% | 11.33% | 11.84% |
| Age 65 to 74 | 8.52% | 6.62% | 7.05% |
| Age 75 to 84 | 5.25% | 3.36% | 4.24% |
| Age 85 and over | 0.98% | 1.75% | 1.78% |
| RACE | | | |
| White | 99.67% | 85.36% | 72.41% |
| Black | 0.00% | 3.07% | 12.61% |
| Asian | 0.00% | 6.19% | 4.75% |
| American Indian | 0.00% | 0.12% | 0.95% |
| Other | 0.33% | 5.25% | 9.28% |
| Hispanic | 7.55% | 0.37% | 16.35% |
| Non-Hispanic | 92.45% | 99.63% | 83.65% |
| FAMILY | | | |
| Married, w/children | 31.08% | 38.32% | 30.42% |
| Married, no children | 44.59% | 41.43% | 42.46% |
| Single, w/children | 16.22% | 7.93% | 14.39% |
| Single, no children | 8.11% | 12.31% | 12.73% |
| Divorced | 8.61% | 7.34% | 10.62% |
| Separated | 3.69% | 4.25% | 4.97% |
| Widowed | 5.74% | 4.92% | 6.14% |
| Now Married | 49.18% | 52.00% | 46.32% |
| Never Married | 32.79% | 31.50% | 31.95% |
