| PEOPLE | Maple Valley | Henderson | United States |
| Population | 22,684 | 257,729 | 308,035,306 |
| Pop. Density | 3,966 | 2,392 | 87 |
| Pop. Change | 50.85% | 51.04% | 8.07% |
| Median Age | 34.1 | 39.6 | 37.3 |
| Households | 7,679 | 101,314 | 116,716,292 |
| Household Size | 2.93 | 2.53 | 2.58 |
| Male Population | 49.44% | 49.19% | 49.27% |
| Female Population | 50.56% | 50.81% | 50.96% |
| Married Population | 69.73% | 52.62% | 47.02% |
| Single Population | 30.27% | 47.38% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 8.82% | 5.87% | 6.56% |
| Age 5 to 9 | 9.41% | 6.34% | 6.61% |
| Age 10 to 14 | 9.04% | 6.53% | 6.71% |
| Age 15 to 17 | 4.99% | 3.91% | 4.21% |
| Age 18 to 20 | 2.20% | 2.29% | 2.95% |
| Age 21 to 24 | 3.79% | 5.48% | 7.01% |
| Age 25 to 34 | 13.17% | 12.98% | 13.33% |
| Age 35 to 44 | 18.61% | 14.53% | 13.33% |
| Age 45 to 49 | 15.32% | 14.29% | 14.61% |
| Age 50 to 54 | 15.32% | 14.29% | 14.61% |
| Age 55 to 59 | 8.06% | 13.51% | 11.84% |
| Age 60 to 64 | 8.06% | 13.51% | 11.84% |
| Age 65 to 74 | 3.94% | 9.04% | 7.05% |
| Age 75 to 84 | 1.84% | 4.07% | 4.24% |
| Age 85 and over | 0.82% | 1.16% | 1.78% |
| RACE | | | |
| White | 85.81% | 76.89% | 72.41% |
| Black | 2.08% | 5.10% | 12.61% |
| Asian | 4.47% | 7.22% | 4.75% |
| American Indian | 0.49% | 0.65% | 0.95% |
| Other | 7.16% | 10.13% | 9.28% |
| Hispanic | 3.67% | 1.61% | 16.35% |
| Non-Hispanic | 96.33% | 98.39% | 83.65% |
| FAMILY | | | |
| Married, w/children | 49.12% | 28.82% | 30.42% |
| Married, no children | 34.52% | 46.69% | 42.46% |
| Single, w/children | 10.73% | 12.79% | 14.39% |
| Single, no children | 5.63% | 11.70% | 12.73% |
| Divorced | 9.20% | 13.26% | 10.62% |
| Separated | 2.08% | 3.30% | 4.97% |
| Widowed | 2.56% | 4.48% | 6.14% |
| Now Married | 68.63% | 52.31% | 46.32% |
| Never Married | 17.53% | 26.66% | 31.95% |
