| PEOPLE | Susanville | Red Bluff | United States |
| Population | 17,947 | 14,076 | 308,035,306 |
| Pop. Density | 2,263 | 1,861 | 87 |
| Pop. Change | 28.23% | 10.60% | 8.07% |
| Median Age | 33.8 | 32.5 | 37.3 |
| Households | 3,833 | 5,376 | 116,716,292 |
| Household Size | 2.46 | 2.54 | 2.58 |
| Male Population | 73.24% | 48.02% | 49.27% |
| Female Population | 26.76% | 51.98% | 50.96% |
| Married Population | 23.51% | 37.91% | 47.02% |
| Single Population | 76.49% | 62.09% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 4.32% | 8.86% | 6.56% |
| Age 5 to 9 | 3.47% | 7.55% | 6.61% |
| Age 10 to 14 | 3.91% | 6.82% | 6.71% |
| Age 15 to 17 | 2.56% | 4.83% | 4.21% |
| Age 18 to 20 | 2.81% | 3.11% | 2.95% |
| Age 21 to 24 | 11.38% | 7.79% | 7.01% |
| Age 25 to 34 | 24.17% | 14.33% | 13.33% |
| Age 35 to 44 | 18.36% | 10.97% | 13.33% |
| Age 45 to 49 | 14.49% | 12.68% | 14.61% |
| Age 50 to 54 | 14.49% | 12.68% | 14.61% |
| Age 55 to 59 | 7.93% | 9.75% | 11.84% |
| Age 60 to 64 | 7.93% | 9.75% | 11.84% |
| Age 65 to 74 | 3.30% | 6.32% | 7.05% |
| Age 75 to 84 | 2.03% | 4.39% | 4.24% |
| Age 85 and over | 1.26% | 2.61% | 1.78% |
| RACE | | | |
| White | 62.79% | 80.75% | 72.41% |
| Black | 12.53% | 0.91% | 12.61% |
| Asian | 1.10% | 1.33% | 4.75% |
| American Indian | 3.41% | 3.11% | 0.95% |
| Other | 20.16% | 13.90% | 9.28% |
| Hispanic | 5.30% | 6.03% | 16.35% |
| Non-Hispanic | 94.70% | 93.97% | 83.65% |
| FAMILY | | | |
| Married, w/children | 31.30% | 27.07% | 30.42% |
| Married, no children | 37.90% | 30.93% | 42.46% |
| Single, w/children | 20.53% | 26.72% | 14.39% |
| Single, no children | 10.27% | 15.29% | 12.73% |
| Divorced | 7.99% | 15.25% | 10.62% |
| Separated | 19.39% | 6.86% | 4.97% |
| Widowed | 4.69% | 10.00% | 6.14% |
| Now Married | 23.70% | 37.80% | 46.32% |
| Never Married | 44.22% | 30.10% | 31.95% |
