| PEOPLE | Summerville | Redwood City | United States |
| Population | 135 | 76,815 | 308,035,306 |
| Pop. Density | 512 | 3,956 | 87 |
| Pop. Change | -0.54% | 2.70% | 8.07% |
| Median Age | 32.8 | 36.7 | 37.3 |
| Households | 45 | 27,957 | 116,716,292 |
| Household Size | 2.48 | 2.7 | 2.58 |
| Male Population | 53.33% | 49.79% | 49.27% |
| Female Population | 46.67% | 50.21% | 50.96% |
| Married Population | 70.09% | 46.99% | 47.02% |
| Single Population | 29.91% | 53.01% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 9.63% | 7.50% | 6.56% |
| Age 5 to 9 | 12.59% | 6.73% | 6.61% |
| Age 10 to 14 | 8.89% | 5.93% | 6.71% |
| Age 15 to 17 | 5.93% | 3.52% | 4.21% |
| Age 18 to 20 | 2.22% | 2.12% | 2.95% |
| Age 21 to 24 | 1.48% | 5.67% | 7.01% |
| Age 25 to 34 | 11.85% | 15.66% | 13.33% |
| Age 35 to 44 | 15.56% | 16.65% | 13.33% |
| Age 45 to 49 | 10.37% | 14.87% | 14.61% |
| Age 50 to 54 | 10.37% | 14.87% | 14.61% |
| Age 55 to 59 | 8.15% | 10.79% | 11.84% |
| Age 60 to 64 | 8.15% | 10.79% | 11.84% |
| Age 65 to 74 | 9.63% | 5.60% | 7.05% |
| Age 75 to 84 | 3.70% | 3.14% | 4.24% |
| Age 85 and over | 0.00% | 1.82% | 1.78% |
| RACE | | | |
| White | 97.04% | 60.22% | 72.41% |
| Black | 0.00% | 2.45% | 12.61% |
| Asian | 0.00% | 10.70% | 4.75% |
| American Indian | 0.00% | 0.67% | 0.95% |
| Other | 2.96% | 25.97% | 9.28% |
| Hispanic | 52.59% | 12.16% | 16.35% |
| Non-Hispanic | 47.41% | 87.84% | 83.65% |
| FAMILY | | | |
| Married, w/children | 39.47% | 37.80% | 30.42% |
| Married, no children | 36.84% | 36.98% | 42.46% |
| Single, w/children | 18.42% | 12.76% | 14.39% |
| Single, no children | 5.26% | 12.46% | 12.73% |
| Divorced | 7.34% | 11.01% | 10.62% |
| Separated | 0.00% | 6.24% | 4.97% |
| Widowed | 4.59% | 4.92% | 6.14% |
| Now Married | 70.64% | 46.07% | 46.32% |
| Never Married | 17.43% | 31.76% | 31.95% |
