| Statistic | Preston Hollow | Dallas | Texas |
| Population | 83,392 | 1,278,433 | 26,956,435 |
| Population density (sq mi) | 2,832 | 3,761 | 97 |
| Median age | 38.3 | 32.5 | 34.2 |
| Male/Female ratio | 1.1:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | n/a | 46% | 56% |
| Speak English | n/a | 57% | 65% |
| Speak Spanish | n/a | 38% | 30% |
| Race | Preston Hollow | Dallas | Texas |
| White | 88.15% | 61.00% | 74.84% |
| African American | 3.15% | 24.55% | 11.95% |
| Asian | 1.83% | 3.27% | 4.36% |
| American Indian | 0.39% | 0.25% | 0.48% |
| Native Hawaiian | 0.03% | 0.04% | 0.08% |
| Mixed race | 1.68% | 2.47% | 2.50% |
| Other race | 4.76% | 8.41% | 5.79% |