| PEOPLE | Madison | Maple Valley | United States |
| Population | 233,209 | 22,684 | 308,035,306 |
| Pop. Density | 3,037 | 3,966 | 87 |
| Pop. Change | 10.89% | 50.85% | 8.07% |
| Median Age | 31.1 | 34.1 | 37.3 |
| Households | 102,516 | 7,679 | 116,716,292 |
| Household Size | 2.17 | 2.93 | 2.58 |
| Male Population | 49.24% | 49.44% | 49.27% |
| Female Population | 50.76% | 50.56% | 50.96% |
| Married Population | 35.40% | 69.73% | 47.02% |
| Single Population | 64.60% | 30.27% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 5.81% | 8.82% | 6.56% |
| Age 5 to 9 | 4.86% | 9.41% | 6.61% |
| Age 10 to 14 | 4.27% | 9.04% | 6.71% |
| Age 15 to 17 | 2.52% | 4.99% | 4.21% |
| Age 18 to 20 | 4.56% | 2.20% | 2.95% |
| Age 21 to 24 | 14.97% | 3.79% | 7.01% |
| Age 25 to 34 | 19.57% | 13.17% | 13.33% |
| Age 35 to 44 | 11.89% | 18.61% | 13.33% |
| Age 45 to 49 | 11.55% | 15.32% | 14.61% |
| Age 50 to 54 | 11.55% | 15.32% | 14.61% |
| Age 55 to 59 | 10.40% | 8.06% | 11.84% |
| Age 60 to 64 | 10.40% | 8.06% | 11.84% |
| Age 65 to 74 | 4.86% | 3.94% | 7.05% |
| Age 75 to 84 | 3.11% | 1.84% | 4.24% |
| Age 85 and over | 1.63% | 0.82% | 1.78% |
| RACE | | | |
| White | 78.91% | 85.81% | 72.41% |
| Black | 7.26% | 2.08% | 12.61% |
| Asian | 7.38% | 4.47% | 4.75% |
| American Indian | 0.43% | 0.49% | 0.95% |
| Other | 6.02% | 7.16% | 9.28% |
| Hispanic | 0.00% | 3.67% | 16.35% |
| Non-Hispanic | 100.00% | 96.33% | 83.65% |
| FAMILY | | | |
| Married, w/children | 29.98% | 49.12% | 30.42% |
| Married, no children | 45.18% | 34.52% | 42.46% |
| Single, w/children | 14.70% | 10.73% | 14.39% |
| Single, no children | 10.14% | 5.63% | 12.73% |
| Divorced | 9.92% | 9.20% | 10.62% |
| Separated | 3.80% | 2.08% | 4.97% |
| Widowed | 3.88% | 2.56% | 6.14% |
| Now Married | 35.42% | 68.63% | 46.32% |
| Never Married | 46.97% | 17.53% | 31.95% |
