| PEOPLE | Waller | Katy | United States |
| Population | 2,326 | 14,102 | 308,035,306 |
| Pop. Density | 1,128 | 1,253 | 87 |
| Pop. Change | 6.81% | 43.26% | 8.07% |
| Median Age | 30.1 | 36.3 | 37.3 |
| Households | 872 | 4,752 | 116,716,292 |
| Household Size | 2.68 | 3.05 | 2.58 |
| Male Population | 48.80% | 49.16% | 49.27% |
| Female Population | 51.20% | 50.84% | 50.96% |
| Married Population | 46.77% | 55.86% | 47.02% |
| Single Population | 53.23% | 44.14% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 9.85% | 7.01% | 6.56% |
| Age 5 to 9 | 7.05% | 6.88% | 6.61% |
| Age 10 to 14 | 8.13% | 8.09% | 6.71% |
| Age 15 to 17 | 3.96% | 5.76% | 4.21% |
| Age 18 to 20 | 3.22% | 2.99% | 2.95% |
| Age 21 to 24 | 9.76% | 5.80% | 7.01% |
| Age 25 to 34 | 13.97% | 11.86% | 13.33% |
| Age 35 to 44 | 12.08% | 13.54% | 13.33% |
| Age 45 to 49 | 13.50% | 15.98% | 14.61% |
| Age 50 to 54 | 13.50% | 15.98% | 14.61% |
| Age 55 to 59 | 9.80% | 10.87% | 11.84% |
| Age 60 to 64 | 9.80% | 10.87% | 11.84% |
| Age 65 to 74 | 4.90% | 5.99% | 7.05% |
| Age 75 to 84 | 2.32% | 3.47% | 4.24% |
| Age 85 and over | 1.46% | 1.74% | 1.78% |
| RACE | | | |
| White | 64.45% | 80.09% | 72.41% |
| Black | 20.89% | 5.26% | 12.61% |
| Asian | 0.86% | 1.55% | 4.75% |
| American Indian | 0.99% | 0.61% | 0.95% |
| Other | 12.81% | 12.49% | 9.28% |
| Hispanic | 0.29% | 1.48% | 16.35% |
| Non-Hispanic | 99.71% | 98.52% | 83.65% |
| FAMILY | | | |
| Married, w/children | 32.20% | 36.13% | 30.42% |
| Married, no children | 31.36% | 41.05% | 42.46% |
| Single, w/children | 22.20% | 12.53% | 14.39% |
| Single, no children | 14.24% | 10.30% | 12.73% |
| Divorced | 12.79% | 9.22% | 10.62% |
| Separated | 4.76% | 5.20% | 4.97% |
| Widowed | 4.08% | 3.83% | 6.14% |
| Now Married | 46.39% | 55.90% | 46.32% |
| Never Married | 31.97% | 25.84% | 31.95% |
