| Statistic | Centennial | Portland | Oregon |
| Population | 20,932 | 620,589 | 4,217,737 |
| Population density (sq mi) | 3,505 | 4,650 | 45 |
| Median age | 35.9 | 36.8 | 39.1 |
| Male/Female ratio | 1.0:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | n/a | 46% | 55% |
| Families w/ Kids under 18 | 53% | 45% | 42% |
| Speak English | n/a | 81% | 85% |
| Speak Spanish | n/a | 7% | 9% |
| Race | Centennial | Portland | Oregon |
| White | 68.20% | 77.73% | 85.07% |
| Black | 5.99% | 5.71% | 1.86% |
| Asian | 12.35% | 7.58% | 4.02% |
| American Indian | 0.66% | 0.69% | 1.14% |
| Native Hawaiian | 1.70% | 0.65% | 0.38% |
| Mixed race | 4.06% | 5.20% | 4.41% |
| Other race | 7.04% | 2.43% | 3.13% |
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