| PEOPLE | West Richland | Carson City | United States |
| Population | 11,811 | 55,274 | 308,035,306 |
| Pop. Density | 539 | 382 | 87 |
| Pop. Change | 44.28% | 5.63% | 8.07% |
| Median Age | 35.3 | 41.7 | 37.3 |
| Households | 4,145 | 21,427 | 116,716,292 |
| Household Size | 2.84 | 2.41 | 2.58 |
| Male Population | 50.53% | 51.90% | 49.27% |
| Female Population | 49.47% | 48.10% | 50.96% |
| Married Population | 62.31% | 43.58% | 47.02% |
| Single Population | 37.69% | 56.42% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 7.16% | 5.83% | 6.56% |
| Age 5 to 9 | 8.70% | 5.77% | 6.61% |
| Age 10 to 14 | 8.64% | 5.97% | 6.71% |
| Age 15 to 17 | 5.07% | 3.80% | 4.21% |
| Age 18 to 20 | 2.54% | 2.45% | 2.95% |
| Age 21 to 24 | 4.48% | 6.01% | 7.01% |
| Age 25 to 34 | 12.98% | 11.99% | 13.33% |
| Age 35 to 44 | 14.70% | 12.65% | 13.33% |
| Age 45 to 49 | 15.46% | 15.25% | 14.61% |
| Age 50 to 54 | 15.46% | 15.25% | 14.61% |
| Age 55 to 59 | 11.99% | 13.76% | 11.84% |
| Age 60 to 64 | 11.99% | 13.76% | 11.84% |
| Age 65 to 74 | 5.32% | 8.73% | 7.05% |
| Age 75 to 84 | 2.35% | 5.47% | 4.24% |
| Age 85 and over | 0.60% | 2.33% | 1.78% |
| RACE | | | |
| White | 90.35% | 81.06% | 72.41% |
| Black | 0.80% | 1.91% | 12.61% |
| Asian | 1.90% | 2.14% | 4.75% |
| American Indian | 1.15% | 2.36% | 0.95% |
| Other | 5.80% | 12.53% | 9.28% |
| Hispanic | 1.37% | 0.00% | 16.35% |
| Non-Hispanic | 98.63% | 100.00% | 83.65% |
| FAMILY | | | |
| Married, w/children | 41.38% | 26.79% | 30.42% |
| Married, no children | 42.36% | 44.97% | 42.46% |
| Single, w/children | 9.96% | 15.43% | 14.39% |
| Single, no children | 6.30% | 12.81% | 12.73% |
| Divorced | 8.60% | 16.43% | 10.62% |
| Separated | 2.64% | 6.46% | 4.97% |
| Widowed | 3.52% | 8.36% | 6.14% |
| Now Married | 61.63% | 43.39% | 46.32% |
| Never Married | 23.61% | 25.36% | 31.95% |
