| PEOPLE | Caldwell | United States |
| Population | 46,237 | 308,035,306 |
| Pop. Density | 2,096 | 87 |
| Pop. Change | 61.48% | 8.07% |
| Median Age | 28.1 | 37.3 |
| Households | 14,895 | 116,716,292 |
| Household Size | 2.96 | 2.58 |
| Male Population | 49.36% | 49.27% |
| Female Population | 50.64% | 50.96% |
| Married Population | 46.69% | 47.02% |
| Single Population | 53.31% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | |
| Age 0 to 4 | 10.73% | 6.56% |
| Age 5 to 9 | 9.51% | 6.61% |
| Age 10 to 14 | 8.23% | 6.71% |
| Age 15 to 17 | 4.65% | 4.21% |
| Age 18 to 20 | 3.52% | 2.95% |
| Age 21 to 24 | 7.97% | 7.01% |
| Age 25 to 34 | 16.37% | 13.33% |
| Age 35 to 44 | 12.02% | 13.33% |
| Age 45 to 49 | 10.26% | 14.61% |
| Age 50 to 54 | 10.26% | 14.61% |
| Age 55 to 59 | 7.84% | 11.84% |
| Age 60 to 64 | 7.84% | 11.84% |
| Age 65 to 74 | 4.97% | 7.05% |
| Age 75 to 84 | 2.64% | 4.24% |
| Age 85 and over | 1.28% | 1.78% |
| RACE | | |
| White | 77.55% | 72.41% |
| Black | 0.65% | 12.61% |
| Asian | 0.88% | 4.75% |
| American Indian | 1.17% | 0.95% |
| Other | 19.76% | 9.28% |
| Hispanic | 1.02% | 16.35% |
| Non-Hispanic | 98.98% | 83.65% |
| FAMILY | | |
| Married, w/children | 38.26% | 30.42% |
| Married, no children | 31.52% | 42.46% |
| Single, w/children | 19.44% | 14.39% |
| Single, no children | 10.77% | 12.73% |
| Divorced | 14.66% | 10.62% |
| Separated | 6.28% | 4.97% |
| Widowed | 5.35% | 6.14% |
| Now Married | 47.25% | 46.32% |
| Never Married | 26.45% | 31.95% |