| PEOPLE | Olympia | Bella Vista | United States |
| Population | 46,478 | 26,461 | 308,035,306 |
| Pop. Density | 2,608 | 598 | 87 |
| Pop. Change | 9.12% | 67.80% | 8.07% |
| Median Age | 37.9 | 50.8 | 37.3 |
| Households | 20,761 | 11,729 | 116,716,292 |
| Household Size | 2.19 | 2.28 | 2.58 |
| Male Population | 47.25% | 48.02% | 49.27% |
| Female Population | 52.75% | 51.98% | 50.96% |
| Married Population | 40.55% | 72.97% | 47.02% |
| Single Population | 59.45% | 27.03% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 5.41% | 5.50% | 6.56% |
| Age 5 to 9 | 5.23% | 5.13% | 6.61% |
| Age 10 to 14 | 5.53% | 4.69% | 6.71% |
| Age 15 to 17 | 3.34% | 2.56% | 4.21% |
| Age 18 to 20 | 2.39% | 1.13% | 2.95% |
| Age 21 to 24 | 8.85% | 2.54% | 7.01% |
| Age 25 to 34 | 15.45% | 10.81% | 13.33% |
| Age 35 to 44 | 13.17% | 11.06% | 13.33% |
| Age 45 to 49 | 13.58% | 11.39% | 14.61% |
| Age 50 to 54 | 13.58% | 11.39% | 14.61% |
| Age 55 to 59 | 13.17% | 13.67% | 11.84% |
| Age 60 to 64 | 13.17% | 13.67% | 11.84% |
| Age 65 to 74 | 6.57% | 16.56% | 7.05% |
| Age 75 to 84 | 4.45% | 11.03% | 4.24% |
| Age 85 and over | 2.87% | 3.93% | 1.78% |
| RACE | | | |
| White | 83.68% | 95.85% | 72.41% |
| Black | 2.00% | 0.66% | 12.61% |
| Asian | 6.02% | 0.47% | 4.75% |
| American Indian | 1.07% | 1.03% | 0.95% |
| Other | 7.22% | 2.00% | 9.28% |
| Hispanic | 3.23% | 0.45% | 16.35% |
| Non-Hispanic | 96.77% | 99.55% | 83.65% |
| FAMILY | | | |
| Married, w/children | 28.05% | 23.39% | 30.42% |
| Married, no children | 42.42% | 67.16% | 42.46% |
| Single, w/children | 17.94% | 5.16% | 14.39% |
| Single, no children | 11.59% | 4.29% | 12.73% |
| Divorced | 14.29% | 7.92% | 10.62% |
| Separated | 5.14% | 2.61% | 4.97% |
| Widowed | 5.42% | 7.70% | 6.14% |
| Now Married | 39.96% | 72.04% | 46.32% |
| Never Married | 35.19% | 9.73% | 31.95% |
