| Statistic | Arnada | Vancouver | Washington |
| Population | 927 | 182,792 | 7,614,893 |
| Population density (sq mi) | 1,691 | 3,750 | 117 |
| Median age | 34.5 | 37.1 | 37.6 |
| Male/Female ratio | 0.9:1 | 1.0:1 | 1.0:1 |
| Married (15yrs & older) | n/a | 53% | 56% |
| Families w/ Kids under 18 | 53% | 46% | 44% |
| Speak English | n/a | 80% | 81% |
| Speak Spanish | n/a | 10% | 8% |
| Race | Arnada | Vancouver | Washington |
| White | 78.01% | 78.10% | 77.34% |
| Black | 1.84% | 2.21% | 3.63% |
| Asian | 2.55% | 5.69% | 7.80% |
| American Indian | 1.59% | 0.43% | 1.33% |
| Native Hawaiian | 0.21% | 1.60% | 0.63% |
| Mixed race | 13.38% | 7.46% | 5.34% |
| Other race | 2.41% | 4.51% | 3.92% |
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