| PEOPLE | Centralia | Leesburg | United States |
| Population | 16,336 | 20,117 | 308,035,306 |
| Pop. Density | 2,203 | 653 | 87 |
| Pop. Change | 8.66% | 12.55% | 8.07% |
| Median Age | 34.8 | 40.8 | 37.3 |
| Households | 6,640 | 8,485 | 116,716,292 |
| Household Size | 2.46 | 2.27 | 2.58 |
| Male Population | 48.34% | 45.76% | 49.27% |
| Female Population | 51.66% | 54.24% | 50.96% |
| Married Population | 43.32% | 36.65% | 47.02% |
| Single Population | 56.68% | 63.35% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 7.96% | 7.61% | 6.56% |
| Age 5 to 9 | 6.88% | 6.30% | 6.61% |
| Age 10 to 14 | 6.26% | 5.69% | 6.71% |
| Age 15 to 17 | 3.61% | 3.59% | 4.21% |
| Age 18 to 20 | 2.99% | 2.63% | 2.95% |
| Age 21 to 24 | 7.64% | 6.19% | 7.01% |
| Age 25 to 34 | 14.89% | 11.78% | 13.33% |
| Age 35 to 44 | 10.79% | 10.55% | 13.33% |
| Age 45 to 49 | 11.96% | 10.88% | 14.61% |
| Age 50 to 54 | 11.96% | 10.88% | 14.61% |
| Age 55 to 59 | 10.37% | 12.18% | 11.84% |
| Age 60 to 64 | 10.37% | 12.18% | 11.84% |
| Age 65 to 74 | 6.77% | 10.71% | 7.05% |
| Age 75 to 84 | 6.13% | 7.27% | 4.24% |
| Age 85 and over | 3.74% | 4.62% | 1.78% |
| RACE | | | |
| White | 85.09% | 63.50% | 72.41% |
| Black | 0.65% | 28.17% | 12.61% |
| Asian | 1.00% | 1.70% | 4.75% |
| American Indian | 1.43% | 0.35% | 0.95% |
| Other | 11.83% | 6.29% | 9.28% |
| Hispanic | 3.20% | 10.69% | 16.35% |
| Non-Hispanic | 96.80% | 89.31% | 83.65% |
| FAMILY | | | |
| Married, w/children | 25.65% | 17.94% | 30.42% |
| Married, no children | 39.00% | 44.49% | 42.46% |
| Single, w/children | 21.93% | 22.60% | 14.39% |
| Single, no children | 13.42% | 14.97% | 12.73% |
| Divorced | 16.07% | 14.72% | 10.62% |
| Separated | 5.41% | 8.65% | 4.97% |
| Widowed | 7.93% | 13.81% | 6.14% |
| Now Married | 44.14% | 36.83% | 46.32% |
| Never Married | 26.44% | 25.99% | 31.95% |
