| PEOPLE | Terrell | Rockwall | United States |
| Population | 15,816 | 37,490 | 308,035,306 |
| Pop. Density | 806 | 1,355 | 87 |
| Pop. Change | 17.18% | 92.20% | 8.07% |
| Median Age | 33.6 | 36.3 | 37.3 |
| Households | 5,485 | 13,212 | 116,716,292 |
| Household Size | 2.75 | 2.82 | 2.58 |
| Male Population | 47.35% | 48.90% | 49.27% |
| Female Population | 52.65% | 51.10% | 50.96% |
| Married Population | 32.72% | 55.98% | 47.02% |
| Single Population | 67.28% | 44.02% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 8.63% | 7.18% | 6.56% |
| Age 5 to 9 | 7.54% | 8.44% | 6.61% |
| Age 10 to 14 | 7.18% | 8.68% | 6.71% |
| Age 15 to 17 | 4.22% | 5.03% | 4.21% |
| Age 18 to 20 | 3.17% | 2.32% | 2.95% |
| Age 21 to 24 | 7.30% | 4.16% | 7.01% |
| Age 25 to 34 | 13.91% | 12.15% | 13.33% |
| Age 35 to 44 | 12.34% | 16.12% | 13.33% |
| Age 45 to 49 | 12.58% | 14.73% | 14.61% |
| Age 50 to 54 | 12.58% | 14.73% | 14.61% |
| Age 55 to 59 | 10.51% | 10.58% | 11.84% |
| Age 60 to 64 | 10.51% | 10.58% | 11.84% |
| Age 65 to 74 | 6.47% | 6.34% | 7.05% |
| Age 75 to 84 | 4.00% | 3.18% | 4.24% |
| Age 85 and over | 2.15% | 1.09% | 1.78% |
| RACE | | | |
| White | 56.95% | 82.45% | 72.41% |
| Black | 27.42% | 5.91% | 12.61% |
| Asian | 0.52% | 3.03% | 4.75% |
| American Indian | 0.58% | 0.59% | 0.95% |
| Other | 14.52% | 8.03% | 9.28% |
| Hispanic | 0.35% | 6.38% | 16.35% |
| Non-Hispanic | 99.65% | 93.62% | 83.65% |
| FAMILY | | | |
| Married, w/children | 26.87% | 41.97% | 30.42% |
| Married, no children | 35.24% | 40.12% | 42.46% |
| Single, w/children | 20.27% | 11.13% | 14.39% |
| Single, no children | 17.62% | 6.78% | 12.73% |
| Divorced | 17.50% | 8.52% | 10.62% |
| Separated | 12.98% | 5.54% | 4.97% |
| Widowed | 6.33% | 4.05% | 6.14% |
| Now Married | 32.66% | 55.31% | 46.32% |
| Never Married | 30.53% | 26.57% | 31.95% |
