| PEOPLE | Farmington | Vacaville | United States |
| Population | 45,877 | 92,428 | 308,035,306 |
| Pop. Density | 1,456 | 3,258 | 87 |
| Pop. Change | 17.90% | 8.27% | 8.07% |
| Median Age | 32.8 | 37.1 | 37.3 |
| Households | 16,446 | 31,092 | 116,716,292 |
| Household Size | 2.69 | 2.72 | 2.58 |
| Male Population | 49.33% | 52.94% | 49.27% |
| Female Population | 50.67% | 47.06% | 50.96% |
| Married Population | 47.56% | 43.79% | 47.02% |
| Single Population | 52.44% | 56.21% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 8.64% | 5.96% | 6.56% |
| Age 5 to 9 | 7.79% | 6.33% | 6.61% |
| Age 10 to 14 | 6.96% | 6.61% | 6.71% |
| Age 15 to 17 | 4.51% | 4.37% | 4.21% |
| Age 18 to 20 | 2.81% | 2.69% | 2.95% |
| Age 21 to 24 | 7.20% | 7.00% | 7.01% |
| Age 25 to 34 | 15.12% | 14.16% | 13.33% |
| Age 35 to 44 | 11.69% | 14.26% | 13.33% |
| Age 45 to 49 | 13.28% | 16.65% | 14.61% |
| Age 50 to 54 | 13.28% | 16.65% | 14.61% |
| Age 55 to 59 | 10.91% | 11.50% | 11.84% |
| Age 60 to 64 | 10.91% | 11.50% | 11.84% |
| Age 65 to 74 | 5.51% | 5.55% | 7.05% |
| Age 75 to 84 | 3.91% | 3.45% | 4.24% |
| Age 85 and over | 1.68% | 1.46% | 1.78% |
| RACE | | | |
| White | 62.83% | 66.32% | 72.41% |
| Black | 0.95% | 10.29% | 12.61% |
| Asian | 0.59% | 6.07% | 4.75% |
| American Indian | 22.16% | 0.92% | 0.95% |
| Other | 13.46% | 16.41% | 9.28% |
| Hispanic | 1.25% | 30.97% | 16.35% |
| Non-Hispanic | 98.75% | 69.03% | 83.65% |
| FAMILY | | | |
| Married, w/children | 29.94% | 33.30% | 30.42% |
| Married, no children | 40.18% | 40.67% | 42.46% |
| Single, w/children | 17.78% | 14.64% | 14.39% |
| Single, no children | 12.10% | 11.39% | 12.73% |
| Divorced | 10.10% | 11.00% | 10.62% |
| Separated | 4.89% | 9.88% | 4.97% |
| Widowed | 5.55% | 5.90% | 6.14% |
| Now Married | 47.13% | 44.25% | 46.32% |
| Never Married | 32.33% | 28.97% | 31.95% |
