| PEOPLE | Columbia | Lake Los Angeles | United States |
| Population | 99,615 | 12,328 | 308,035,306 |
| Pop. Density | 3,120 | 1,266 | 87 |
| Pop. Change | 6.48% | 3.57% | 8.07% |
| Median Age | 37.4 | 29.9 | 37.3 |
| Households | 39,562 | 3,267 | 116,716,292 |
| Household Size | 2.51 | 3.75 | 2.58 |
| Male Population | 48.08% | 50.20% | 49.27% |
| Female Population | 51.92% | 49.80% | 50.96% |
| Married Population | 52.67% | 47.62% | 47.02% |
| Single Population | 47.33% | 52.38% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 6.39% | 8.23% | 6.56% |
| Age 5 to 9 | 6.54% | 8.35% | 6.61% |
| Age 10 to 14 | 6.78% | 9.69% | 6.71% |
| Age 15 to 17 | 4.29% | 6.89% | 4.21% |
| Age 18 to 20 | 2.05% | 4.12% | 2.95% |
| Age 21 to 24 | 5.51% | 7.15% | 7.01% |
| Age 25 to 34 | 14.99% | 11.07% | 13.33% |
| Age 35 to 44 | 14.66% | 12.31% | 13.33% |
| Age 45 to 49 | 15.41% | 14.83% | 14.61% |
| Age 50 to 54 | 15.41% | 14.83% | 14.61% |
| Age 55 to 59 | 12.54% | 9.75% | 11.84% |
| Age 60 to 64 | 12.54% | 9.75% | 11.84% |
| Age 65 to 74 | 6.70% | 5.11% | 7.05% |
| Age 75 to 84 | 2.86% | 2.07% | 4.24% |
| Age 85 and over | 1.28% | 0.42% | 1.78% |
| RACE | | | |
| White | 55.54% | 55.66% | 72.41% |
| Black | 25.33% | 11.26% | 12.61% |
| Asian | 11.43% | 0.94% | 4.75% |
| American Indian | 0.39% | 1.44% | 0.95% |
| Other | 7.31% | 30.69% | 9.28% |
| Hispanic | 6.43% | 46.21% | 16.35% |
| Non-Hispanic | 93.57% | 53.79% | 83.65% |
| FAMILY | | | |
| Married, w/children | 34.43% | 35.50% | 30.42% |
| Married, no children | 41.47% | 31.78% | 42.46% |
| Single, w/children | 13.51% | 17.00% | 14.39% |
| Single, no children | 10.59% | 15.72% | 12.73% |
| Divorced | 8.36% | 11.46% | 10.62% |
| Separated | 5.24% | 7.26% | 4.97% |
| Widowed | 4.24% | 3.96% | 6.14% |
| Now Married | 51.86% | 47.70% | 46.32% |
| Never Married | 30.29% | 29.60% | 31.95% |
