| PEOPLE | Sonoma | Oroville | United States |
| Population | 10,648 | 15,546 | 308,035,306 |
| Pop. Density | 3,883 | 1,196 | 87 |
| Pop. Change | 11.94% | 7.15% | 8.07% |
| Median Age | 49.2 | 31.6 | 37.3 |
| Households | 4,955 | 5,646 | 116,716,292 |
| Household Size | 2.11 | 2.59 | 2.58 |
| Male Population | 45.53% | 48.37% | 49.27% |
| Female Population | 54.47% | 51.63% | 50.96% |
| Married Population | 48.18% | 35.67% | 47.02% |
| Single Population | 51.82% | 64.33% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 4.39% | 8.41% | 6.56% |
| Age 5 to 9 | 4.90% | 7.28% | 6.61% |
| Age 10 to 14 | 5.55% | 6.86% | 6.71% |
| Age 15 to 17 | 3.19% | 4.90% | 4.21% |
| Age 18 to 20 | 1.71% | 3.78% | 2.95% |
| Age 21 to 24 | 3.54% | 8.89% | 7.01% |
| Age 25 to 34 | 9.21% | 13.95% | 13.33% |
| Age 35 to 44 | 11.94% | 11.39% | 13.33% |
| Age 45 to 49 | 14.25% | 11.68% | 14.61% |
| Age 50 to 54 | 14.25% | 11.68% | 14.61% |
| Age 55 to 59 | 16.28% | 10.30% | 11.84% |
| Age 60 to 64 | 16.28% | 10.30% | 11.84% |
| Age 65 to 74 | 11.74% | 6.18% | 7.05% |
| Age 75 to 84 | 7.48% | 3.89% | 4.24% |
| Age 85 and over | 5.83% | 2.50% | 1.78% |
| RACE | | | |
| White | 86.80% | 75.17% | 72.41% |
| Black | 0.49% | 2.91% | 12.61% |
| Asian | 2.82% | 7.96% | 4.75% |
| American Indian | 0.53% | 3.69% | 0.95% |
| Other | 9.37% | 10.27% | 9.28% |
| Hispanic | 11.87% | 7.60% | 16.35% |
| Non-Hispanic | 88.13% | 92.40% | 83.65% |
| FAMILY | | | |
| Married, w/children | 28.56% | 24.96% | 30.42% |
| Married, no children | 49.20% | 29.17% | 42.46% |
| Single, w/children | 10.88% | 29.48% | 14.39% |
| Single, no children | 11.36% | 16.39% | 12.73% |
| Divorced | 15.68% | 16.31% | 10.62% |
| Separated | 3.94% | 8.62% | 4.97% |
| Widowed | 10.83% | 7.65% | 6.14% |
| Now Married | 47.37% | 35.89% | 46.32% |
| Never Married | 22.17% | 31.53% | 31.95% |
