| PEOPLE | Collierville | Olathe | United States |
| Population | 43,965 | 125,872 | 308,035,306 |
| Pop. Density | 1,501 | 2,110 | 87 |
| Pop. Change | 33.38% | 37.75% | 8.07% |
| Median Age | 39 | 33 | 37.3 |
| Households | 15,179 | 44,507 | 116,716,292 |
| Household Size | 2.91 | 2.8 | 2.58 |
| Male Population | 48.77% | 49.54% | 49.27% |
| Female Population | 51.23% | 50.46% | 50.96% |
| Married Population | 63.40% | 59.14% | 47.02% |
| Single Population | 36.60% | 40.86% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 5.69% | 8.87% | 6.56% |
| Age 5 to 9 | 8.08% | 8.80% | 6.61% |
| Age 10 to 14 | 9.43% | 7.93% | 6.71% |
| Age 15 to 17 | 5.72% | 4.40% | 4.21% |
| Age 18 to 20 | 2.44% | 2.31% | 2.95% |
| Age 21 to 24 | 4.08% | 5.23% | 7.01% |
| Age 25 to 34 | 8.90% | 15.93% | 13.33% |
| Age 35 to 44 | 15.82% | 16.19% | 13.33% |
| Age 45 to 49 | 18.77% | 13.76% | 14.61% |
| Age 50 to 54 | 18.77% | 13.76% | 14.61% |
| Age 55 to 59 | 12.11% | 9.39% | 11.84% |
| Age 60 to 64 | 12.11% | 9.39% | 11.84% |
| Age 65 to 74 | 5.36% | 3.98% | 7.05% |
| Age 75 to 84 | 2.75% | 2.16% | 4.24% |
| Age 85 and over | 0.85% | 1.05% | 1.78% |
| RACE | | | |
| White | 79.69% | 83.07% | 72.41% |
| Black | 10.85% | 5.33% | 12.61% |
| Asian | 7.10% | 4.08% | 4.75% |
| American Indian | 0.16% | 0.43% | 0.95% |
| Other | 2.20% | 7.09% | 9.28% |
| Hispanic | 0.58% | 1.53% | 16.35% |
| Non-Hispanic | 99.42% | 98.47% | 83.65% |
| FAMILY | | | |
| Married, w/children | 43.31% | 44.15% | 30.42% |
| Married, no children | 42.32% | 37.33% | 42.46% |
| Single, w/children | 7.69% | 11.82% | 14.39% |
| Single, no children | 6.68% | 6.70% | 12.73% |
| Divorced | 6.24% | 10.01% | 10.62% |
| Separated | 2.27% | 3.43% | 4.97% |
| Widowed | 3.28% | 2.87% | 6.14% |
| Now Married | 63.82% | 58.58% | 46.32% |
| Never Married | 24.39% | 25.11% | 31.95% |
