| PEOPLE | Sanibel | Fort Lauderdale | United States |
| Population | 6,469 | 165,521 | 308,035,306 |
| Pop. Density | 401 | 4,761 | 87 |
| Pop. Change | 9.60% | -3.10% | 8.07% |
| Median Age | 65 | 42.2 | 37.3 |
| Households | 3,359 | 74,786 | 116,716,292 |
| Household Size | 1.92 | 2.16 | 2.58 |
| Male Population | 47.32% | 52.80% | 49.27% |
| Female Population | 52.68% | 47.20% | 50.96% |
| Married Population | 68.82% | 28.85% | 47.02% |
| Single Population | 31.18% | 71.15% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 1.31% | 5.22% | 6.56% |
| Age 5 to 9 | 2.37% | 4.67% | 6.61% |
| Age 10 to 14 | 2.64% | 4.66% | 6.71% |
| Age 15 to 17 | 1.56% | 3.05% | 4.21% |
| Age 18 to 20 | 0.68% | 2.08% | 2.95% |
| Age 21 to 24 | 1.10% | 6.05% | 7.01% |
| Age 25 to 34 | 2.30% | 14.42% | 13.33% |
| Age 35 to 44 | 5.24% | 13.96% | 13.33% |
| Age 45 to 49 | 9.96% | 16.62% | 14.61% |
| Age 50 to 54 | 9.96% | 16.62% | 14.61% |
| Age 55 to 59 | 22.77% | 13.96% | 11.84% |
| Age 60 to 64 | 22.77% | 13.96% | 11.84% |
| Age 65 to 74 | 30.08% | 8.41% | 7.05% |
| Age 75 to 84 | 16.06% | 4.93% | 4.24% |
| Age 85 and over | 3.93% | 1.97% | 1.78% |
| RACE | | | |
| White | 97.99% | 62.64% | 72.41% |
| Black | 0.62% | 30.96% | 12.61% |
| Asian | 0.39% | 1.48% | 4.75% |
| American Indian | 0.09% | 0.27% | 0.95% |
| Other | 0.91% | 4.67% | 9.28% |
| Hispanic | 6.05% | 4.20% | 16.35% |
| Non-Hispanic | 93.95% | 95.80% | 83.65% |
| FAMILY | | | |
| Married, w/children | 10.03% | 20.33% | 30.42% |
| Married, no children | 84.29% | 43.61% | 42.46% |
| Single, w/children | 2.46% | 16.99% | 14.39% |
| Single, no children | 3.21% | 19.07% | 12.73% |
| Divorced | 9.48% | 15.27% | 10.62% |
| Separated | 2.34% | 7.43% | 4.97% |
| Widowed | 8.55% | 6.84% | 6.14% |
| Now Married | 67.84% | 29.28% | 46.32% |
| Never Married | 11.79% | 41.18% | 31.95% |
