| PEOPLE | Manhattan Beach | Del Mar | United States |
| Population | 35,135 | 4,161 | 308,035,306 |
| Pop. Density | 8,924 | 2,438 | 87 |
| Pop. Change | 1.40% | -4.13% | 8.07% |
| Median Age | 40.9 | 48.6 | 37.3 |
| Households | 14,038 | 2,064 | 116,716,292 |
| Household Size | 2.5 | 2.02 | 2.58 |
| Male Population | 50.11% | 50.52% | 49.27% |
| Female Population | 49.89% | 49.48% | 50.96% |
| Married Population | 50.94% | 44.41% | 47.02% |
| Single Population | 49.06% | 55.59% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 5.78% | 2.76% | 6.56% |
| Age 5 to 9 | 7.59% | 3.22% | 6.61% |
| Age 10 to 14 | 7.39% | 4.47% | 6.71% |
| Age 15 to 17 | 4.07% | 3.10% | 4.21% |
| Age 18 to 20 | 1.42% | 1.37% | 2.95% |
| Age 21 to 24 | 3.53% | 3.56% | 7.01% |
| Age 25 to 34 | 11.47% | 13.82% | 13.33% |
| Age 35 to 44 | 15.66% | 11.92% | 13.33% |
| Age 45 to 49 | 17.48% | 16.61% | 14.61% |
| Age 50 to 54 | 17.48% | 16.61% | 14.61% |
| Age 55 to 59 | 12.92% | 18.36% | 11.84% |
| Age 60 to 64 | 12.92% | 18.36% | 11.84% |
| Age 65 to 74 | 7.17% | 12.09% | 7.05% |
| Age 75 to 84 | 3.94% | 6.32% | 4.24% |
| Age 85 and over | 1.57% | 2.40% | 1.78% |
| RACE | | | |
| White | 84.49% | 94.02% | 72.41% |
| Black | 0.83% | 0.24% | 12.61% |
| Asian | 8.60% | 2.84% | 4.75% |
| American Indian | 0.17% | 0.19% | 0.95% |
| Other | 5.91% | 2.72% | 9.28% |
| Hispanic | 31.53% | 97.54% | 16.35% |
| Non-Hispanic | 68.47% | 2.46% | 83.65% |
| FAMILY | | | |
| Married, w/children | 43.94% | 23.13% | 30.42% |
| Married, no children | 41.14% | 61.29% | 42.46% |
| Single, w/children | 7.75% | 6.65% | 14.39% |
| Single, no children | 7.17% | 8.93% | 12.73% |
| Divorced | 8.98% | 14.92% | 10.62% |
| Separated | 1.91% | 3.41% | 4.97% |
| Widowed | 4.19% | 4.56% | 6.14% |
| Now Married | 50.26% | 44.49% | 46.32% |
| Never Married | 34.66% | 32.62% | 31.95% |
