| PEOPLE | Cookeville | United States |
| Population | 30,435 | 308,035,306 |
| Pop. Density | 931 | 87 |
| Pop. Change | 15.48% | 8.07% |
| Median Age | 29.8 | 37.3 |
| Households | 12,471 | 116,716,292 |
| Household Size | 2.26 | 2.58 |
| Male Population | 49.89% | 49.27% |
| Female Population | 50.11% | 50.96% |
| Married Population | 37.75% | 47.02% |
| Single Population | 62.25% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | |
| Age 0 to 4 | 5.77% | 6.56% |
| Age 5 to 9 | 5.34% | 6.61% |
| Age 10 to 14 | 4.61% | 6.71% |
| Age 15 to 17 | 2.84% | 4.21% |
| Age 18 to 20 | 7.66% | 2.95% |
| Age 21 to 24 | 16.28% | 7.01% |
| Age 25 to 34 | 13.52% | 13.33% |
| Age 35 to 44 | 10.12% | 13.33% |
| Age 45 to 49 | 10.49% | 14.61% |
| Age 50 to 54 | 10.49% | 14.61% |
| Age 55 to 59 | 9.75% | 11.84% |
| Age 60 to 64 | 9.75% | 11.84% |
| Age 65 to 74 | 6.85% | 7.05% |
| Age 75 to 84 | 4.72% | 4.24% |
| Age 85 and over | 2.05% | 1.78% |
| RACE | | |
| White | 87.85% | 72.41% |
| Black | 3.38% | 12.61% |
| Asian | 2.04% | 4.75% |
| American Indian | 0.56% | 0.95% |
| Other | 6.17% | 9.28% |
| Hispanic | 4.09% | 16.35% |
| Non-Hispanic | 95.91% | 83.65% |
| FAMILY | | |
| Married, w/children | 25.58% | 30.42% |
| Married, no children | 43.59% | 42.46% |
| Single, w/children | 16.15% | 14.39% |
| Single, no children | 14.68% | 12.73% |
| Divorced | 11.30% | 10.62% |
| Separated | 3.45% | 4.97% |
| Widowed | 7.50% | 6.14% |
| Now Married | 38.32% | 46.32% |
| Never Married | 39.44% | 31.95% |