| PEOPLE | Savannah | Key Biscayne | United States |
| Population | 136,286 | 12,344 | 308,035,306 |
| Pop. Density | 1,321 | 10,071 | 87 |
| Pop. Change | 1.17% | 25.47% | 8.07% |
| Median Age | 31.6 | 41.8 | 37.3 |
| Households | 52,545 | 4,704 | 116,716,292 |
| Household Size | 2.41 | 2.77 | 2.58 |
| Male Population | 47.91% | 46.40% | 49.27% |
| Female Population | 52.09% | 53.60% | 50.96% |
| Married Population | 32.09% | 54.51% | 47.02% |
| Single Population | 67.91% | 45.49% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 7.13% | 6.66% | 6.56% |
| Age 5 to 9 | 6.02% | 8.77% | 6.61% |
| Age 10 to 14 | 5.49% | 8.43% | 6.71% |
| Age 15 to 17 | 3.72% | 4.31% | 4.21% |
| Age 18 to 20 | 4.21% | 1.50% | 2.95% |
| Age 21 to 24 | 11.92% | 2.81% | 7.01% |
| Age 25 to 34 | 16.25% | 6.46% | 13.33% |
| Age 35 to 44 | 11.11% | 16.70% | 13.33% |
| Age 45 to 49 | 12.18% | 15.68% | 14.61% |
| Age 50 to 54 | 12.18% | 15.68% | 14.61% |
| Age 55 to 59 | 10.31% | 11.25% | 11.84% |
| Age 60 to 64 | 10.31% | 11.25% | 11.84% |
| Age 65 to 74 | 5.94% | 9.36% | 7.05% |
| Age 75 to 84 | 3.83% | 5.74% | 4.24% |
| Age 85 and over | 1.89% | 2.33% | 1.78% |
| RACE | | | |
| White | 38.29% | 96.18% | 72.41% |
| Black | 55.40% | 0.41% | 12.61% |
| Asian | 2.01% | 1.09% | 4.75% |
| American Indian | 0.26% | 0.12% | 0.95% |
| Other | 4.03% | 2.20% | 9.28% |
| Hispanic | 0.00% | 3.07% | 16.35% |
| Non-Hispanic | 100.00% | 96.93% | 83.65% |
| FAMILY | | | |
| Married, w/children | 18.56% | 41.95% | 30.42% |
| Married, no children | 33.96% | 40.62% | 42.46% |
| Single, w/children | 24.74% | 10.44% | 14.39% |
| Single, no children | 22.75% | 7.00% | 12.73% |
| Divorced | 12.16% | 10.70% | 10.62% |
| Separated | 6.56% | 4.27% | 4.97% |
| Widowed | 7.91% | 6.32% | 6.14% |
| Now Married | 31.57% | 55.20% | 46.32% |
| Never Married | 41.79% | 23.51% | 31.95% |
