| PEOPLE | Washtucna | Kennewick | United States |
| Population | 208 | 73,917 | 308,035,306 |
| Pop. Density | 300 | 2,744 | 87 |
| Pop. Change | -23.16% | 26.12% | 8.07% |
| Median Age | 52.4 | 32.7 | 37.3 |
| Households | 97 | 27,266 | 116,716,292 |
| Household Size | 2.06 | 2.67 | 2.58 |
| Male Population | 57.21% | 49.92% | 49.27% |
| Female Population | 42.79% | 50.08% | 50.96% |
| Married Population | 59.15% | 46.25% | 47.02% |
| Single Population | 40.85% | 53.75% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 2.88% | 8.49% | 6.56% |
| Age 5 to 9 | 5.29% | 7.59% | 6.61% |
| Age 10 to 14 | 7.69% | 7.53% | 6.71% |
| Age 15 to 17 | 1.44% | 4.55% | 4.21% |
| Age 18 to 20 | 2.40% | 2.85% | 2.95% |
| Age 21 to 24 | 4.33% | 7.49% | 7.01% |
| Age 25 to 34 | 5.77% | 14.65% | 13.33% |
| Age 35 to 44 | 7.69% | 12.12% | 13.33% |
| Age 45 to 49 | 17.79% | 12.99% | 14.61% |
| Age 50 to 54 | 17.79% | 12.99% | 14.61% |
| Age 55 to 59 | 19.71% | 10.86% | 11.84% |
| Age 60 to 64 | 19.71% | 10.86% | 11.84% |
| Age 65 to 74 | 14.42% | 5.82% | 7.05% |
| Age 75 to 84 | 10.10% | 3.42% | 4.24% |
| Age 85 and over | 0.48% | 1.66% | 1.78% |
| RACE | | | |
| White | 95.19% | 78.54% | 72.41% |
| Black | 0.96% | 1.71% | 12.61% |
| Asian | 0.00% | 2.36% | 4.75% |
| American Indian | 1.44% | 0.85% | 0.95% |
| Other | 2.40% | 16.55% | 9.28% |
| Hispanic | 4.00% | 0.33% | 16.35% |
| Non-Hispanic | 96.00% | 99.67% | 83.65% |
| FAMILY | | | |
| Married, w/children | 12.90% | 32.80% | 30.42% |
| Married, no children | 61.29% | 39.75% | 42.46% |
| Single, w/children | 11.29% | 18.17% | 14.39% |
| Single, no children | 14.52% | 9.28% | 12.73% |
| Divorced | 13.59% | 12.49% | 10.62% |
| Separated | 1.46% | 5.00% | 4.97% |
| Widowed | 3.40% | 5.46% | 6.14% |
| Now Married | 59.22% | 47.16% | 46.32% |
| Never Married | 22.33% | 29.89% | 31.95% |
