| PEOPLE | Centralia | Benton | United States |
| Population | 16,336 | 30,681 | 308,035,306 |
| Pop. Density | 2,203 | 1,379 | 87 |
| Pop. Change | 8.66% | 29.36% | 8.07% |
| Median Age | 34.8 | 35 | 37.3 |
| Households | 6,640 | 11,834 | 116,716,292 |
| Household Size | 2.46 | 2.53 | 2.58 |
| Male Population | 48.34% | 48.45% | 49.27% |
| Female Population | 51.66% | 51.55% | 50.96% |
| Married Population | 43.32% | 52.43% | 47.02% |
| Single Population | 56.68% | 47.57% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 7.96% | 7.57% | 6.56% |
| Age 5 to 9 | 6.88% | 7.98% | 6.61% |
| Age 10 to 14 | 6.26% | 7.29% | 6.71% |
| Age 15 to 17 | 3.61% | 3.94% | 4.21% |
| Age 18 to 20 | 2.99% | 2.39% | 2.95% |
| Age 21 to 24 | 7.64% | 5.55% | 7.01% |
| Age 25 to 34 | 14.89% | 15.27% | 13.33% |
| Age 35 to 44 | 10.79% | 14.10% | 13.33% |
| Age 45 to 49 | 11.96% | 12.84% | 14.61% |
| Age 50 to 54 | 11.96% | 12.84% | 14.61% |
| Age 55 to 59 | 10.37% | 10.35% | 11.84% |
| Age 60 to 64 | 10.37% | 10.35% | 11.84% |
| Age 65 to 74 | 6.77% | 6.74% | 7.05% |
| Age 75 to 84 | 6.13% | 4.31% | 4.24% |
| Age 85 and over | 3.74% | 1.66% | 1.78% |
| RACE | | | |
| White | 85.09% | 88.77% | 72.41% |
| Black | 0.65% | 6.02% | 12.61% |
| Asian | 1.00% | 0.90% | 4.75% |
| American Indian | 1.43% | 0.51% | 0.95% |
| Other | 11.83% | 3.80% | 9.28% |
| Hispanic | 3.20% | 2.66% | 16.35% |
| Non-Hispanic | 96.80% | 97.34% | 83.65% |
| FAMILY | | | |
| Married, w/children | 25.65% | 34.01% | 30.42% |
| Married, no children | 39.00% | 40.66% | 42.46% |
| Single, w/children | 21.93% | 15.01% | 14.39% |
| Single, no children | 13.42% | 10.32% | 12.73% |
| Divorced | 16.07% | 12.31% | 10.62% |
| Separated | 5.41% | 3.53% | 4.97% |
| Widowed | 7.93% | 7.64% | 6.14% |
| Now Married | 44.14% | 53.14% | 46.32% |
| Never Married | 26.44% | 23.38% | 31.95% |
