| people | Houston | Atlanta | United States |
| Population | 2099451 | 420003 | 308035306 |
| Pop. Density | 3501.4813 | 3154.3196 | 87.0786 |
| Pop. Change | 0.079 | -0.0144 | 0.0807 |
| Median Age | 32.2 | 33.1 | 37.3 |
| Households | 782643 | 185142 | 116716292 |
| Household Size | 2.66 | 2.09 | 2.58 |
| Male Population | 0.5018 | 0.4975 | 0.4927 |
| Female Population | 0.4982 | 0.5025 | 0.5096 |
| Married Population | 0.3823 | 0.2158 | 0.4702 |
| Single Population | 0.6177 | 0.7842 | 0.5298 |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 0.0815 | 0.0638 | 0.0656 |
| Age 5 to 9 | 0.0719 | 0.0543 | 0.0661 |
| Age 10 to 14 | 0.0654 | 0.0471 | 0.0671 |
| Age 15 to 17 | 0.0398 | 0.0286 | 0.0421 |
| Age 18 to 20 | 0.0281 | 0.0387 | 0.0295 |
| Age 21 to 24 | 0.0815 | 0.1046 | 0.0701 |
| Age 25 to 34 | 0.1781 | 0.198 | 0.1333 |
| Age 35 to 44 | 0.1387 | 0.1479 | 0.1333 |
| Age 45 to 49 | 0.128 | 0.1228 | 0.1461 |
| Age 50 to 54 | 0.128 | 0.1228 | 0.1461 |
| Age 55 to 59 | 0.0965 | 0.0958 | 0.1184 |
| Age 60 to 64 | 0.0965 | 0.0958 | 0.1184 |
| Age 65 to 74 | 0.0506 | 0.0547 | 0.0705 |
| Age 75 to 84 | 0.0287 | 0.0301 | 0.0424 |
| Age 85 and over | 0.0111 | 0.0136 | 0.0178 |
| RACE | | | |
| White | 0.5051 | 0.3836 | 0.7241 |
| Black | 0.2374 | 0.5402 | 0.1261 |
| Asian | 0.0602 | 0.0314 | 0.0475 |
| American Indian | 0.0071 | 0.0024 | 0.0095 |
| Other | 0.1901 | 0.0424 | 0.0928 |
| Hispanic | 0.0176 | 0.0298 | 0.1635 |
| Non-Hispanic | 0.9824 | 0.9702 | 0.8365 |
| FAMILY | | | |
| Married, w/children | 0.3041 | 0.208 | 0.3042 |
| Married, no children | 0.3295 | 0.3211 | 0.4246 |
| Single, w/children | 0.1867 | 0.2343 | 0.1439 |
| Single, no children | 0.1798 | 0.2366 | 0.1273 |
| Divorced | 0.1056 | 0.1212 | 0.1062 |
| Separated | 0.089 | 0.0789 | 0.0497 |
| Widowed | 0.0539 | 0.0646 | 0.0614 |
| Now Married | 0.3883 | 0.2202 | 0.4632 |
| Never Married | 0.3633 | 0.5151 | 0.3195 |