| PEOPLE | Richardson | Arlington | United States |
| Population | 99,223 | 365,438 | 308,035,306 |
| Pop. Density | 3,474 | 3,811 | 87 |
| Pop. Change | 9.95% | 10.90% | 8.07% |
| Median Age | 36.7 | 32.1 | 37.3 |
| Households | 38,714 | 133,072 | 116,716,292 |
| Household Size | 2.54 | 2.73 | 2.58 |
| Male Population | 49.23% | 49.06% | 49.27% |
| Female Population | 50.77% | 50.94% | 50.96% |
| Married Population | 53.04% | 48.92% | 47.02% |
| Single Population | 46.96% | 51.08% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 6.31% | 7.84% | 6.56% |
| Age 5 to 9 | 6.49% | 7.88% | 6.61% |
| Age 10 to 14 | 6.50% | 7.64% | 6.71% |
| Age 15 to 17 | 3.94% | 4.58% | 4.21% |
| Age 18 to 20 | 3.03% | 3.10% | 2.95% |
| Age 21 to 24 | 7.16% | 7.95% | 7.01% |
| Age 25 to 34 | 14.16% | 15.19% | 13.33% |
| Age 35 to 44 | 13.92% | 14.41% | 13.33% |
| Age 45 to 49 | 14.56% | 13.74% | 14.61% |
| Age 50 to 54 | 14.56% | 13.74% | 14.61% |
| Age 55 to 59 | 11.35% | 9.52% | 11.84% |
| Age 60 to 64 | 11.35% | 9.52% | 11.84% |
| Age 65 to 74 | 6.85% | 4.78% | 7.05% |
| Age 75 to 84 | 4.10% | 2.47% | 4.24% |
| Age 85 and over | 1.65% | 0.89% | 1.78% |
| RACE | | | |
| White | 67.13% | 58.99% | 72.41% |
| Black | 8.57% | 18.82% | 12.61% |
| Asian | 15.10% | 6.79% | 4.75% |
| American Indian | 0.49% | 0.67% | 0.95% |
| Other | 8.70% | 14.72% | 9.28% |
| Hispanic | 0.47% | 1.67% | 16.35% |
| Non-Hispanic | 99.53% | 98.33% | 83.65% |
| FAMILY | | | |
| Married, w/children | 34.27% | 34.58% | 30.42% |
| Married, no children | 44.44% | 35.23% | 42.46% |
| Single, w/children | 10.50% | 17.77% | 14.39% |
| Single, no children | 10.78% | 12.41% | 12.73% |
| Divorced | 9.83% | 11.70% | 10.62% |
| Separated | 4.14% | 5.21% | 4.97% |
| Widowed | 5.11% | 3.66% | 6.14% |
| Now Married | 52.82% | 48.50% | 46.32% |
| Never Married | 28.10% | 30.94% | 31.95% |