| PEOPLE | Diboll | Tiffin | United States |
| Population | 4,776 | 17,963 | 308,035,306 |
| Pop. Density | 1,017 | 2,656 | 87 |
| Pop. Change | -11.53% | -1.09% | 8.07% |
| Median Age | 32.9 | 35.2 | 37.3 |
| Households | 1,366 | 7,086 | 116,716,292 |
| Household Size | 3.08 | 2.33 | 2.58 |
| Male Population | 53.02% | 48.93% | 49.27% |
| Female Population | 46.98% | 51.07% | 50.96% |
| Married Population | 31.33% | 43.60% | 47.02% |
| Single Population | 68.67% | 56.40% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 8.10% | 5.93% | 6.56% |
| Age 5 to 9 | 8.31% | 6.06% | 6.61% |
| Age 10 to 14 | 8.48% | 5.56% | 6.71% |
| Age 15 to 17 | 4.56% | 3.18% | 4.21% |
| Age 18 to 20 | 2.85% | 6.43% | 2.95% |
| Age 21 to 24 | 6.22% | 10.88% | 7.01% |
| Age 25 to 34 | 14.72% | 11.71% | 13.33% |
| Age 35 to 44 | 14.53% | 9.76% | 13.33% |
| Age 45 to 49 | 12.48% | 12.81% | 14.61% |
| Age 50 to 54 | 12.48% | 12.81% | 14.61% |
| Age 55 to 59 | 9.36% | 11.83% | 11.84% |
| Age 60 to 64 | 9.36% | 11.83% | 11.84% |
| Age 65 to 74 | 5.97% | 6.73% | 7.05% |
| Age 75 to 84 | 3.35% | 6.02% | 4.24% |
| Age 85 and over | 1.07% | 3.09% | 1.78% |
| RACE | | | |
| White | 54.86% | 93.92% | 72.41% |
| Black | 20.52% | 2.60% | 12.61% |
| Asian | 0.23% | 0.97% | 4.75% |
| American Indian | 0.29% | 0.17% | 0.95% |
| Other | 24.10% | 2.33% | 9.28% |
| Hispanic | 0.57% | 3.77% | 16.35% |
| Non-Hispanic | 99.43% | 96.23% | 83.65% |
| FAMILY | | | |
| Married, w/children | 31.22% | 24.88% | 30.42% |
| Married, no children | 31.97% | 45.66% | 42.46% |
| Single, w/children | 21.06% | 18.40% | 14.39% |
| Single, no children | 15.75% | 11.06% | 12.73% |
| Divorced | 8.81% | 12.60% | 10.62% |
| Separated | 22.57% | 3.21% | 4.97% |
| Widowed | 9.11% | 8.49% | 6.14% |
| Now Married | 31.26% | 43.41% | 46.32% |
| Never Married | 28.26% | 32.29% | 31.95% |
