| PEOPLE | Columbia township | Olympia | United States |
| Population | 62,961 | 46,478 | 308,035,306 |
| Pop. Density | 716 | 2,608 | 87 |
| Pop. Change | 22.39% | 9.12% | 8.07% |
| Median Age | 24.5 | 37.9 | 37.3 |
| Households | 23,816 | 20,761 | 116,716,292 |
| Household Size | 2.31 | 2.19 | 2.58 |
| Male Population | 48.25% | 47.25% | 49.27% |
| Female Population | 51.75% | 52.75% | 50.96% |
| Married Population | 28.78% | 40.55% | 47.02% |
| Single Population | 71.22% | 59.45% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 5.73% | 5.41% | 6.56% |
| Age 5 to 9 | 4.63% | 5.23% | 6.61% |
| Age 10 to 14 | 3.96% | 5.53% | 6.71% |
| Age 15 to 17 | 2.41% | 3.34% | 4.21% |
| Age 18 to 20 | 10.41% | 2.39% | 2.95% |
| Age 21 to 24 | 24.60% | 8.85% | 7.01% |
| Age 25 to 34 | 16.86% | 15.45% | 13.33% |
| Age 35 to 44 | 9.13% | 13.17% | 13.33% |
| Age 45 to 49 | 8.87% | 13.58% | 14.61% |
| Age 50 to 54 | 8.87% | 13.58% | 14.61% |
| Age 55 to 59 | 6.75% | 13.17% | 11.84% |
| Age 60 to 64 | 6.75% | 13.17% | 11.84% |
| Age 65 to 74 | 3.34% | 6.57% | 7.05% |
| Age 75 to 84 | 2.08% | 4.45% | 4.24% |
| Age 85 and over | 1.25% | 2.87% | 1.78% |
| RACE | | | |
| White | 78.66% | 83.68% | 72.41% |
| Black | 12.15% | 2.00% | 12.61% |
| Asian | 4.44% | 6.02% | 4.75% |
| American Indian | 0.35% | 1.07% | 0.95% |
| Other | 4.40% | 7.22% | 9.28% |
| Hispanic | 1.31% | 3.23% | 16.35% |
| Non-Hispanic | 98.69% | 96.77% | 83.65% |
| FAMILY | | | |
| Married, w/children | 27.74% | 28.05% | 30.42% |
| Married, no children | 38.26% | 42.42% | 42.46% |
| Single, w/children | 20.73% | 17.94% | 14.39% |
| Single, no children | 13.26% | 11.59% | 12.73% |
| Divorced | 8.31% | 14.29% | 10.62% |
| Separated | 4.24% | 5.14% | 4.97% |
| Widowed | 3.03% | 5.42% | 6.14% |
| Now Married | 28.33% | 39.96% | 46.32% |
| Never Married | 56.09% | 35.19% | 31.95% |
