| PEOPLE | Carlsbad | Green Valley | United States |
| Population | 26,138 | 21,391 | 308,035,306 |
| Pop. Density | 903 | 663 | 87 |
| Pop. Change | 2.20% | 14.10% | 8.07% |
| Median Age | 37.6 | 71.3 | 37.3 |
| Households | 10,257 | 12,741 | 116,716,292 |
| Household Size | 2.5 | 1.71 | 2.58 |
| Male Population | 49.11% | 44.66% | 49.27% |
| Female Population | 50.89% | 55.34% | 50.96% |
| Married Population | 47.54% | 66.53% | 47.02% |
| Single Population | 52.46% | 33.47% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 7.26% | 0.46% | 6.56% |
| Age 5 to 9 | 6.96% | 0.43% | 6.61% |
| Age 10 to 14 | 6.99% | 0.58% | 6.71% |
| Age 15 to 17 | 4.36% | 0.38% | 4.21% |
| Age 18 to 20 | 2.79% | 0.21% | 2.95% |
| Age 21 to 24 | 6.23% | 0.64% | 7.01% |
| Age 25 to 34 | 12.63% | 1.22% | 13.33% |
| Age 35 to 44 | 11.14% | 1.55% | 13.33% |
| Age 45 to 49 | 13.60% | 4.14% | 14.61% |
| Age 50 to 54 | 13.60% | 4.14% | 14.61% |
| Age 55 to 59 | 12.47% | 18.40% | 11.84% |
| Age 60 to 64 | 12.47% | 18.40% | 11.84% |
| Age 65 to 74 | 7.58% | 34.95% | 7.05% |
| Age 75 to 84 | 5.38% | 26.87% | 4.24% |
| Age 85 and over | 2.61% | 10.19% | 1.78% |
| RACE | | | |
| White | 77.42% | 96.82% | 72.41% |
| Black | 1.91% | 0.43% | 12.61% |
| Asian | 1.00% | 0.70% | 4.75% |
| American Indian | 1.28% | 0.31% | 0.95% |
| Other | 18.39% | 1.75% | 9.28% |
| Hispanic | 0.00% | 2.60% | 16.35% |
| Non-Hispanic | 100.00% | 97.40% | 83.65% |
| FAMILY | | | |
| Married, w/children | 25.98% | 1.69% | 30.42% |
| Married, no children | 42.43% | 91.96% | 42.46% |
| Single, w/children | 17.43% | 0.98% | 14.39% |
| Single, no children | 14.16% | 5.37% | 12.73% |
| Divorced | 12.30% | 7.57% | 10.62% |
| Separated | 4.81% | 2.62% | 4.97% |
| Widowed | 7.24% | 17.90% | 6.14% |
| Now Married | 48.26% | 66.04% | 46.32% |
| Never Married | 27.40% | 5.86% | 31.95% |
