| PEOPLE | Maryville | Liberty | United States |
| Population | 27,465 | 3,269 | 308,035,306 |
| Pop. Density | 1,635 | 735 | 87 |
| Pop. Change | 13.45% | 2.68% | 8.07% |
| Median Age | 38.9 | 39.6 | 37.3 |
| Households | 10,712 | 1,375 | 116,716,292 |
| Household Size | 2.39 | 2.46 | 2.58 |
| Male Population | 46.64% | 48.21% | 49.27% |
| Female Population | 53.36% | 51.79% | 50.96% |
| Married Population | 48.56% | 50.87% | 47.02% |
| Single Population | 51.44% | 49.13% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 5.26% | 6.36% | 6.56% |
| Age 5 to 9 | 6.82% | 6.21% | 6.61% |
| Age 10 to 14 | 7.57% | 6.88% | 6.71% |
| Age 15 to 17 | 4.57% | 3.98% | 4.21% |
| Age 18 to 20 | 3.31% | 2.36% | 2.95% |
| Age 21 to 24 | 6.79% | 5.32% | 7.01% |
| Age 25 to 34 | 10.38% | 12.54% | 13.33% |
| Age 35 to 44 | 13.80% | 13.52% | 13.33% |
| Age 45 to 49 | 13.80% | 14.22% | 14.61% |
| Age 50 to 54 | 13.80% | 14.22% | 14.61% |
| Age 55 to 59 | 10.63% | 11.69% | 11.84% |
| Age 60 to 64 | 10.63% | 11.69% | 11.84% |
| Age 65 to 74 | 7.56% | 9.27% | 7.05% |
| Age 75 to 84 | 5.98% | 5.84% | 4.24% |
| Age 85 and over | 3.52% | 1.80% | 1.78% |
| RACE | | | |
| White | 91.99% | 86.66% | 72.41% |
| Black | 3.23% | 9.15% | 12.61% |
| Asian | 1.53% | 0.43% | 4.75% |
| American Indian | 0.33% | 0.12% | 0.95% |
| Other | 2.91% | 3.64% | 9.28% |
| Hispanic | 5.11% | 0.32% | 16.35% |
| Non-Hispanic | 94.89% | 99.68% | 83.65% |
| FAMILY | | | |
| Married, w/children | 33.31% | 29.77% | 30.42% |
| Married, no children | 41.15% | 45.48% | 42.46% |
| Single, w/children | 15.52% | 12.26% | 14.39% |
| Single, no children | 10.02% | 12.49% | 12.73% |
| Divorced | 12.02% | 11.86% | 10.62% |
| Separated | 6.98% | 6.85% | 4.97% |
| Widowed | 9.27% | 8.22% | 6.14% |
| Now Married | 47.70% | 51.30% | 46.32% |
| Never Married | 24.03% | 21.76% | 31.95% |
