| PEOPLE | Menomonee Falls | Hartland | United States |
| Population | 35,626 | 9,110 | 308,035,306 |
| Pop. Density | 1,082 | 1,781 | 87 |
| Pop. Change | 9.76% | 9.55% | 8.07% |
| Median Age | 43.2 | 37.3 | 37.3 |
| Households | 14,567 | 3,566 | 116,716,292 |
| Household Size | 2.43 | 2.56 | 2.58 |
| Male Population | 48.23% | 47.42% | 49.27% |
| Female Population | 51.77% | 52.58% | 50.96% |
| Married Population | 61.12% | 53.61% | 47.02% |
| Single Population | 38.88% | 46.39% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 5.72% | 6.59% | 6.56% |
| Age 5 to 9 | 6.34% | 7.93% | 6.61% |
| Age 10 to 14 | 6.75% | 8.76% | 6.71% |
| Age 15 to 17 | 4.19% | 4.76% | 4.21% |
| Age 18 to 20 | 1.82% | 2.15% | 2.95% |
| Age 21 to 24 | 4.18% | 5.14% | 7.01% |
| Age 25 to 34 | 10.52% | 11.73% | 13.33% |
| Age 35 to 44 | 13.00% | 14.71% | 13.33% |
| Age 45 to 49 | 17.52% | 17.04% | 14.61% |
| Age 50 to 54 | 17.52% | 17.04% | 14.61% |
| Age 55 to 59 | 12.13% | 11.21% | 11.84% |
| Age 60 to 64 | 12.13% | 11.21% | 11.84% |
| Age 65 to 74 | 8.06% | 5.29% | 7.05% |
| Age 75 to 84 | 7.03% | 3.26% | 4.24% |
| Age 85 and over | 2.75% | 1.44% | 1.78% |
| RACE | | | |
| White | 91.58% | 95.10% | 72.41% |
| Black | 2.98% | 0.85% | 12.61% |
| Asian | 3.51% | 1.71% | 4.75% |
| American Indian | 0.21% | 0.32% | 0.95% |
| Other | 1.72% | 2.02% | 9.28% |
| Hispanic | 0.79% | 1.24% | 16.35% |
| Non-Hispanic | 99.21% | 98.76% | 83.65% |
| FAMILY | | | |
| Married, w/children | 35.20% | 39.14% | 30.42% |
| Married, no children | 50.61% | 40.37% | 42.46% |
| Single, w/children | 7.01% | 13.03% | 14.39% |
| Single, no children | 7.18% | 7.46% | 12.73% |
| Divorced | 8.34% | 12.12% | 10.62% |
| Separated | 1.32% | 1.42% | 4.97% |
| Widowed | 7.70% | 2.80% | 6.14% |
| Now Married | 60.50% | 54.09% | 46.32% |
| Never Married | 22.15% | 29.57% | 31.95% |