| PEOPLE | Boulder City | Sebastian | United States |
| Population | 15,023 | 21,929 | 308,035,306 |
| Pop. Density | 72 | 1,605 | 87 |
| Pop. Change | 0.58% | 31.98% | 8.07% |
| Median Age | 49.9 | 50.1 | 37.3 |
| Households | 6,492 | 9,508 | 116,716,292 |
| Household Size | 2.26 | 2.31 | 2.58 |
| Male Population | 49.76% | 47.64% | 49.27% |
| Female Population | 50.24% | 52.36% | 50.96% |
| Married Population | 52.06% | 57.63% | 47.02% |
| Single Population | 47.94% | 42.37% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 4.16% | 4.22% | 6.56% |
| Age 5 to 9 | 4.93% | 4.70% | 6.61% |
| Age 10 to 14 | 5.73% | 5.58% | 6.71% |
| Age 15 to 17 | 3.87% | 3.78% | 4.21% |
| Age 18 to 20 | 1.95% | 2.23% | 2.95% |
| Age 21 to 24 | 4.09% | 3.67% | 7.01% |
| Age 25 to 34 | 7.56% | 7.55% | 13.33% |
| Age 35 to 44 | 10.21% | 10.61% | 13.33% |
| Age 45 to 49 | 15.91% | 15.83% | 14.61% |
| Age 50 to 54 | 15.91% | 15.83% | 14.61% |
| Age 55 to 59 | 16.35% | 15.52% | 11.84% |
| Age 60 to 64 | 16.35% | 15.52% | 11.84% |
| Age 65 to 74 | 12.42% | 13.79% | 7.05% |
| Age 75 to 84 | 8.83% | 9.51% | 4.24% |
| Age 85 and over | 3.99% | 3.02% | 1.78% |
| RACE | | | |
| White | 92.30% | 90.50% | 72.41% |
| Black | 0.87% | 5.27% | 12.61% |
| Asian | 1.12% | 1.15% | 4.75% |
| American Indian | 0.83% | 0.21% | 0.95% |
| Other | 4.88% | 2.88% | 9.28% |
| Hispanic | 5.81% | 35.73% | 16.35% |
| Non-Hispanic | 94.19% | 64.27% | 83.65% |
| FAMILY | | | |
| Married, w/children | 21.93% | 21.43% | 30.42% |
| Married, no children | 56.73% | 58.22% | 42.46% |
| Single, w/children | 10.20% | 10.26% | 14.39% |
| Single, no children | 11.14% | 10.09% | 12.73% |
| Divorced | 13.25% | 11.58% | 10.62% |
| Separated | 4.17% | 1.58% | 4.97% |
| Widowed | 9.14% | 9.28% | 6.14% |
| Now Married | 52.86% | 58.45% | 46.32% |
| Never Married | 20.58% | 19.11% | 31.95% |
