| PEOPLE | Ballwin | Eden Prairie | United States |
| Population | 30,404 | 60,797 | 308,035,306 |
| Pop. Density | 3,382 | 1,874 | 87 |
| Pop. Change | -3.96% | 10.82% | 8.07% |
| Median Age | 41.3 | 37.5 | 37.3 |
| Households | 11,874 | 23,930 | 116,716,292 |
| Household Size | 2.58 | 2.53 | 2.58 |
| Male Population | 48.16% | 48.47% | 49.27% |
| Female Population | 51.84% | 51.53% | 50.96% |
| Married Population | 61.55% | 61.76% | 47.02% |
| Single Population | 38.45% | 38.24% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 5.88% | 6.56% | 6.56% |
| Age 5 to 9 | 7.14% | 7.13% | 6.61% |
| Age 10 to 14 | 7.37% | 7.66% | 6.71% |
| Age 15 to 17 | 4.48% | 5.07% | 4.21% |
| Age 18 to 20 | 2.14% | 1.88% | 2.95% |
| Age 21 to 24 | 4.70% | 4.65% | 7.01% |
| Age 25 to 34 | 10.27% | 13.77% | 13.33% |
| Age 35 to 44 | 13.47% | 13.88% | 13.33% |
| Age 45 to 49 | 16.54% | 18.18% | 14.61% |
| Age 50 to 54 | 16.54% | 18.18% | 14.61% |
| Age 55 to 59 | 12.92% | 12.63% | 11.84% |
| Age 60 to 64 | 12.92% | 12.63% | 11.84% |
| Age 65 to 74 | 8.04% | 4.94% | 7.05% |
| Age 75 to 84 | 5.49% | 2.34% | 4.24% |
| Age 85 and over | 1.57% | 1.31% | 1.78% |
| RACE | | | |
| White | 89.34% | 81.74% | 72.41% |
| Black | 2.46% | 5.59% | 12.61% |
| Asian | 5.60% | 9.16% | 4.75% |
| American Indian | 0.22% | 0.19% | 0.95% |
| Other | 2.37% | 3.33% | 9.28% |
| Hispanic | 4.96% | 7.47% | 16.35% |
| Non-Hispanic | 95.04% | 92.53% | 83.65% |
| FAMILY | | | |
| Married, w/children | 36.23% | 41.38% | 30.42% |
| Married, no children | 47.57% | 42.93% | 42.46% |
| Single, w/children | 8.37% | 9.71% | 14.39% |
| Single, no children | 7.83% | 5.98% | 12.73% |
| Divorced | 8.35% | 8.48% | 10.62% |
| Separated | 1.34% | 2.09% | 4.97% |
| Widowed | 4.42% | 2.34% | 6.14% |
| Now Married | 60.90% | 60.78% | 46.32% |
| Never Married | 25.00% | 26.31% | 31.95% |
