| Statistic | Centennial | Portland | Oregon |
| Population | 22,726 | 650,380 | 4,217,737 |
| Population density (sq mi) | 4,010 | 4,873 | 45 |
| Median age | 38.6 | 37.5 | 39.1 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | n/a | 45% | 55% |
| Families w/ Kids under 18 | 44% | 44% | 42% |
| Speak English | n/a | 81% | 85% |
| Speak Spanish | n/a | 6% | 9% |
| Race | Centennial | Portland | Oregon |
| White | 69.17% | 75.32% | 85.07% |
| Black | 7.34% | 5.89% | 1.86% |
| Asian | 10.98% | 8.65% | 4.02% |
| American Indian | 0.77% | 0.80% | 1.14% |
| Native Hawaiian | 1.69% | 0.66% | 0.38% |
| Mixed race | 6.36% | 6.37% | 4.41% |
| Other race | 3.69% | 2.31% | 3.13% |
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