| PEOPLE | Tumwater | Lacey | United States |
| Population | 17,371 | 42,393 | 308,035,306 |
| Pop. Density | 1,213 | 2,640 | 87 |
| Pop. Change | 19.28% | 30.88% | 8.07% |
| Median Age | 37.3 | 34.1 | 37.3 |
| Households | 7,566 | 16,949 | 116,716,292 |
| Household Size | 2.28 | 2.44 | 2.58 |
| Male Population | 47.69% | 47.39% | 49.27% |
| Female Population | 52.31% | 52.61% | 50.96% |
| Married Population | 43.82% | 50.17% | 47.02% |
| Single Population | 56.18% | 49.83% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 5.73% | 7.90% | 6.56% |
| Age 5 to 9 | 5.73% | 6.75% | 6.61% |
| Age 10 to 14 | 6.19% | 6.20% | 6.71% |
| Age 15 to 17 | 4.04% | 3.73% | 4.21% |
| Age 18 to 20 | 2.62% | 2.67% | 2.95% |
| Age 21 to 24 | 7.79% | 7.38% | 7.01% |
| Age 25 to 34 | 14.88% | 16.76% | 13.33% |
| Age 35 to 44 | 13.30% | 12.72% | 13.33% |
| Age 45 to 49 | 14.18% | 11.25% | 14.61% |
| Age 50 to 54 | 14.18% | 11.25% | 14.61% |
| Age 55 to 59 | 12.60% | 10.53% | 11.84% |
| Age 60 to 64 | 12.60% | 10.53% | 11.84% |
| Age 65 to 74 | 6.50% | 6.80% | 7.05% |
| Age 75 to 84 | 4.22% | 4.49% | 4.24% |
| Age 85 and over | 2.23% | 2.79% | 1.78% |
| RACE | | | |
| White | 85.02% | 74.18% | 72.41% |
| Black | 1.73% | 5.43% | 12.61% |
| Asian | 4.84% | 7.96% | 4.75% |
| American Indian | 1.16% | 1.16% | 0.95% |
| Other | 7.25% | 11.27% | 9.28% |
| Hispanic | 7.37% | 2.04% | 16.35% |
| Non-Hispanic | 92.63% | 97.96% | 83.65% |
| FAMILY | | | |
| Married, w/children | 27.49% | 31.21% | 30.42% |
| Married, no children | 41.97% | 41.69% | 42.46% |
| Single, w/children | 18.12% | 17.53% | 14.39% |
| Single, no children | 12.42% | 9.58% | 12.73% |
| Divorced | 16.61% | 12.25% | 10.62% |
| Separated | 4.31% | 4.79% | 4.97% |
| Widowed | 5.38% | 5.67% | 6.14% |
| Now Married | 43.01% | 50.35% | 46.32% |
| Never Married | 30.69% | 26.93% | 31.95% |