| PEOPLE | South Pasadena | Pasadena | United States |
| Population | 25,619 | 137,122 | 308,035,306 |
| Pop. Density | 7,523 | 5,970 | 87 |
| Pop. Change | 5.33% | 3.90% | 8.07% |
| Median Age | 40.1 | 37.2 | 37.3 |
| Households | 10,467 | 55,270 | 116,716,292 |
| Household Size | 2.43 | 2.41 | 2.58 |
| Male Population | 47.46% | 48.76% | 49.27% |
| Female Population | 52.54% | 51.24% | 50.96% |
| Married Population | 41.66% | 37.21% | 47.02% |
| Single Population | 58.34% | 62.79% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 5.17% | 6.03% | 6.56% |
| Age 5 to 9 | 6.19% | 5.15% | 6.61% |
| Age 10 to 14 | 6.98% | 4.98% | 6.71% |
| Age 15 to 17 | 5.07% | 3.16% | 4.21% |
| Age 18 to 20 | 1.92% | 2.44% | 2.95% |
| Age 21 to 24 | 4.23% | 6.76% | 7.01% |
| Age 25 to 34 | 12.68% | 18.08% | 13.33% |
| Age 35 to 44 | 16.33% | 15.00% | 13.33% |
| Age 45 to 49 | 17.07% | 13.72% | 14.61% |
| Age 50 to 54 | 17.07% | 13.72% | 14.61% |
| Age 55 to 59 | 12.24% | 11.13% | 11.84% |
| Age 60 to 64 | 12.24% | 11.13% | 11.84% |
| Age 65 to 74 | 6.62% | 6.85% | 7.05% |
| Age 75 to 84 | 4.03% | 4.35% | 4.24% |
| Age 85 and over | 1.46% | 2.34% | 1.78% |
| RACE | | | |
| White | 54.34% | 55.83% | 72.41% |
| Black | 3.01% | 10.68% | 12.61% |
| Asian | 31.12% | 14.29% | 4.75% |
| American Indian | 0.42% | 0.60% | 0.95% |
| Other | 11.11% | 18.60% | 9.28% |
| Hispanic | 13.20% | 20.74% | 16.35% |
| Non-Hispanic | 86.80% | 79.26% | 83.65% |
| FAMILY | | | |
| Married, w/children | 38.28% | 29.91% | 30.42% |
| Married, no children | 35.81% | 42.26% | 42.46% |
| Single, w/children | 13.96% | 11.30% | 14.39% |
| Single, no children | 11.95% | 16.52% | 12.73% |
| Divorced | 11.12% | 9.31% | 10.62% |
| Separated | 3.35% | 7.51% | 4.97% |
| Widowed | 5.58% | 5.86% | 6.14% |
| Now Married | 42.03% | 36.91% | 46.32% |
| Never Married | 37.92% | 40.42% | 31.95% |
