| Statistic | Mission Viejo | Aurora | Colorado |
| Population | 7,178 | 379,434 | 5,758,736 |
| Population density (sq mi) | 7,090 | 2,372 | 56 |
| Median age | 38.9 | 34.8 | 36.4 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | n/a | 51% | 56% |
| Families w/ Kids under 18 | 45% | 47% | 45% |
| Speak English | n/a | 67% | 83% |
| Speak Spanish | n/a | 20% | 12% |
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| Race | Mission Viejo | Aurora | Colorado |
| White | 79.37% | 58.10% | 84.28% |
| Black | 4.55% | 16.71% | 4.09% |
| Asian | 2.58% | 6.84% | 2.94% |
| American Indian | 0.65% | 0.85% | 0.94% |
| Native Hawaiian | 0.00% | 0.31% | 0.14% |
| Mixed race | 6.59% | 7.45% | 3.43% |
| Other race | 6.27% | 9.73% | 4.18% |
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