| Statistic | Hidden Valley | Bellevue | Washington |
| Population | 2,668 | 146,145 | 7,614,893 |
| Population density (sq mi) | 3,407 | 4,368 | 117 |
| Median age | 41.3 | 37.6 | 37.6 |
| Male/Female ratio | 1.2:1 | 1.1:1 | 1.0:1 |
| Married (15yrs & older) | n/a | 63% | 56% |
| Families w/ Kids under 18 | 51% | 46% | 44% |
| Speak English | n/a | 56% | 81% |
| Speak Spanish | n/a | 5% | 8% |
| Race | Hidden Valley | Bellevue | Washington |
| White | 56.32% | 52.03% | 77.34% |
| Black | 0.04% | 2.59% | 3.63% |
| Asian | 40.30% | 37.55% | 7.80% |
| American Indian | 0.00% | 0.26% | 1.33% |
| Native Hawaiian | 0.03% | 0.28% | 0.63% |
| Mixed race | 2.07% | 5.31% | 5.34% |
| Other race | 1.24% | 1.97% | 3.92% |
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