| PEOPLE | Mount Vernon | Houston | United States |
| Population | 31,743 | 2,099,451 | 308,035,306 |
| Pop. Density | 2,580 | 3,501 | 87 |
| Pop. Change | 17.25% | 7.90% | 8.07% |
| Median Age | 32.4 | 32.2 | 37.3 |
| Households | 11,342 | 782,643 | 116,716,292 |
| Household Size | 2.73 | 2.66 | 2.58 |
| Male Population | 49.03% | 50.18% | 49.27% |
| Female Population | 50.97% | 49.82% | 50.96% |
| Married Population | 45.88% | 38.23% | 47.02% |
| Single Population | 54.12% | 61.77% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 8.81% | 8.15% | 6.56% |
| Age 5 to 9 | 7.59% | 7.19% | 6.61% |
| Age 10 to 14 | 7.20% | 6.54% | 6.71% |
| Age 15 to 17 | 4.60% | 3.98% | 4.21% |
| Age 18 to 20 | 2.93% | 2.81% | 2.95% |
| Age 21 to 24 | 7.15% | 8.15% | 7.01% |
| Age 25 to 34 | 15.42% | 17.81% | 13.33% |
| Age 35 to 44 | 12.14% | 13.87% | 13.33% |
| Age 45 to 49 | 11.65% | 12.80% | 14.61% |
| Age 50 to 54 | 11.65% | 12.80% | 14.61% |
| Age 55 to 59 | 9.81% | 9.65% | 11.84% |
| Age 60 to 64 | 9.81% | 9.65% | 11.84% |
| Age 65 to 74 | 6.23% | 5.06% | 7.05% |
| Age 75 to 84 | 4.16% | 2.87% | 4.24% |
| Age 85 and over | 2.31% | 1.11% | 1.78% |
| RACE | | | |
| White | 72.83% | 50.51% | 72.41% |
| Black | 1.02% | 23.74% | 12.61% |
| Asian | 2.67% | 6.02% | 4.75% |
| American Indian | 1.62% | 0.71% | 0.95% |
| Other | 21.87% | 19.01% | 9.28% |
| Hispanic | 11.27% | 1.76% | 16.35% |
| Non-Hispanic | 88.73% | 98.24% | 83.65% |
| FAMILY | | | |
| Married, w/children | 34.09% | 30.41% | 30.42% |
| Married, no children | 38.48% | 32.95% | 42.46% |
| Single, w/children | 17.04% | 18.67% | 14.39% |
| Single, no children | 10.40% | 17.98% | 12.73% |
| Divorced | 9.97% | 10.56% | 10.62% |
| Separated | 6.50% | 8.90% | 4.97% |
| Widowed | 6.27% | 5.39% | 6.14% |
| Now Married | 45.83% | 38.83% | 46.32% |
| Never Married | 31.43% | 36.33% | 31.95% |
