| Statistic | McCullough Hills | Henderson | Nevada |
| Population | 17,740 | 320,734 | 3,188,363 |
| Population density (sq mi) | 3,567 | 3,063 | 29 |
| Median age | 43.6 | 43.0 | 37.5 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | n/a | 56% | 51% |
| Families w/ Kids under 18 | 41% | 39% | 44% |
| Speak English | n/a | 81% | 70% |
| Speak Spanish | n/a | 10% | 21% |

| Race | McCullough Hills | Henderson | Nevada |
| White | 70.00% | 72.18% | 68.09% |
| Black | 8.53% | 6.01% | 8.58% |
| Asian | 9.17% | 8.73% | 7.84% |
| American Indian | 0.12% | 0.56% | 1.12% |
| Native Hawaiian | 0.28% | 0.74% | 0.65% |
| Mixed race | 7.95% | 6.82% | 4.54% |
| Other race | 3.96% | 4.98% | 9.18% |