| PEOPLE | San Francisco | La Mesa | United States |
| Population | 805,235 | 57,065 | 308,035,306 |
| Pop. Density | 17,179 | 6,287 | 87 |
| Pop. Change | 4.62% | 6.15% | 8.07% |
| Median Age | 38.5 | 37.1 | 37.3 |
| Households | 345,811 | 24,512 | 116,716,292 |
| Household Size | 2.26 | 2.3 | 2.58 |
| Male Population | 50.73% | 47.60% | 49.27% |
| Female Population | 49.27% | 52.40% | 50.96% |
| Married Population | 31.61% | 39.54% | 47.02% |
| Single Population | 68.39% | 60.46% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 4.37% | 6.35% | 6.56% |
| Age 5 to 9 | 3.53% | 5.18% | 6.61% |
| Age 10 to 14 | 3.27% | 4.81% | 6.71% |
| Age 15 to 17 | 2.18% | 3.22% | 4.21% |
| Age 18 to 20 | 2.12% | 2.31% | 2.95% |
| Age 21 to 24 | 7.53% | 8.90% | 7.01% |
| Age 25 to 34 | 20.88% | 16.33% | 13.33% |
| Age 35 to 44 | 16.60% | 13.09% | 13.33% |
| Age 45 to 49 | 13.89% | 14.48% | 14.61% |
| Age 50 to 54 | 13.89% | 14.48% | 14.61% |
| Age 55 to 59 | 12.00% | 11.15% | 11.84% |
| Age 60 to 64 | 12.00% | 11.15% | 11.84% |
| Age 65 to 74 | 6.75% | 5.96% | 7.05% |
| Age 75 to 84 | 4.72% | 4.97% | 4.24% |
| Age 85 and over | 2.17% | 3.25% | 1.78% |
| RACE | | | |
| White | 48.48% | 71.78% | 72.41% |
| Black | 6.07% | 7.71% | 12.61% |
| Asian | 33.27% | 5.76% | 4.75% |
| American Indian | 0.50% | 0.76% | 0.95% |
| Other | 11.68% | 13.99% | 9.28% |
| Hispanic | 3.74% | 10.66% | 16.35% |
| Non-Hispanic | 96.26% | 89.34% | 83.65% |
| FAMILY | | | |
| Married, w/children | 27.00% | 28.32% | 30.42% |
| Married, no children | 45.46% | 39.45% | 42.46% |
| Single, w/children | 9.56% | 15.77% | 14.39% |
| Single, no children | 17.98% | 16.46% | 12.73% |
| Divorced | 8.92% | 14.76% | 10.62% |
| Separated | 7.58% | 4.12% | 4.97% |
| Widowed | 6.12% | 8.58% | 6.14% |
| Now Married | 31.77% | 38.91% | 46.32% |
| Never Married | 45.62% | 33.63% | 31.95% |
