| PEOPLE | Savannah | Rohnert Park | United States |
| Population | 136,286 | 40,971 | 308,035,306 |
| Pop. Density | 1,321 | 5,851 | 87 |
| Pop. Change | 1.17% | 1.04% | 8.07% |
| Median Age | 31.6 | 33.2 | 37.3 |
| Households | 52,545 | 15,808 | 116,716,292 |
| Household Size | 2.41 | 2.56 | 2.58 |
| Male Population | 47.91% | 48.81% | 49.27% |
| Female Population | 52.09% | 51.19% | 50.96% |
| Married Population | 32.09% | 40.53% | 47.02% |
| Single Population | 67.91% | 59.47% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 7.13% | 5.62% | 6.56% |
| Age 5 to 9 | 6.02% | 5.54% | 6.61% |
| Age 10 to 14 | 5.49% | 5.92% | 6.71% |
| Age 15 to 17 | 3.72% | 3.84% | 4.21% |
| Age 18 to 20 | 4.21% | 3.69% | 2.95% |
| Age 21 to 24 | 11.92% | 13.04% | 7.01% |
| Age 25 to 34 | 16.25% | 14.63% | 13.33% |
| Age 35 to 44 | 11.11% | 12.30% | 13.33% |
| Age 45 to 49 | 12.18% | 14.82% | 14.61% |
| Age 50 to 54 | 12.18% | 14.82% | 14.61% |
| Age 55 to 59 | 10.31% | 11.33% | 11.84% |
| Age 60 to 64 | 10.31% | 11.33% | 11.84% |
| Age 65 to 74 | 5.94% | 4.91% | 7.05% |
| Age 75 to 84 | 3.83% | 2.85% | 4.24% |
| Age 85 and over | 1.89% | 1.51% | 1.78% |
| RACE | | | |
| White | 38.29% | 76.10% | 72.41% |
| Black | 55.40% | 1.85% | 12.61% |
| Asian | 2.01% | 5.23% | 4.75% |
| American Indian | 0.26% | 0.99% | 0.95% |
| Other | 4.03% | 15.82% | 9.28% |
| Hispanic | 0.00% | 3.53% | 16.35% |
| Non-Hispanic | 100.00% | 96.47% | 83.65% |
| FAMILY | | | |
| Married, w/children | 18.56% | 30.86% | 30.42% |
| Married, no children | 33.96% | 39.26% | 42.46% |
| Single, w/children | 24.74% | 15.87% | 14.39% |
| Single, no children | 22.75% | 14.01% | 12.73% |
| Divorced | 12.16% | 11.31% | 10.62% |
| Separated | 6.56% | 3.66% | 4.97% |
| Widowed | 7.91% | 4.35% | 6.14% |
| Now Married | 31.57% | 41.07% | 46.32% |
| Never Married | 41.79% | 39.61% | 31.95% |