| PEOPLE | Thermopolis | Riverside | United States |
| Population | 3,009 | 303,871 | 308,035,306 |
| Pop. Density | 1,263 | 3,745 | 87 |
| Pop. Change | -1.10% | 20.94% | 8.07% |
| Median Age | 46.7 | 30 | 37.3 |
| Households | 1,389 | 91,932 | 116,716,292 |
| Household Size | 2.12 | 3.18 | 2.58 |
| Male Population | 49.09% | 49.40% | 49.27% |
| Female Population | 50.91% | 50.60% | 50.96% |
| Married Population | 56.13% | 38.46% | 47.02% |
| Single Population | 43.87% | 61.54% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 5.28% | 7.20% | 6.56% |
| Age 5 to 9 | 5.38% | 7.08% | 6.61% |
| Age 10 to 14 | 6.35% | 7.53% | 6.71% |
| Age 15 to 17 | 3.12% | 4.97% | 4.21% |
| Age 18 to 20 | 2.23% | 5.29% | 2.95% |
| Age 21 to 24 | 4.92% | 10.22% | 7.01% |
| Age 25 to 34 | 10.14% | 14.32% | 13.33% |
| Age 35 to 44 | 9.94% | 12.82% | 13.33% |
| Age 45 to 49 | 15.82% | 12.92% | 14.61% |
| Age 50 to 54 | 15.82% | 12.92% | 14.61% |
| Age 55 to 59 | 14.76% | 9.01% | 11.84% |
| Age 60 to 64 | 14.76% | 9.01% | 11.84% |
| Age 65 to 74 | 11.43% | 4.61% | 7.05% |
| Age 75 to 84 | 7.48% | 2.84% | 4.24% |
| Age 85 and over | 3.16% | 1.19% | 1.78% |
| RACE | | | |
| White | 96.41% | 56.49% | 72.41% |
| Black | 0.27% | 7.05% | 12.61% |
| Asian | 0.50% | 7.43% | 4.75% |
| American Indian | 0.93% | 1.14% | 0.95% |
| Other | 1.89% | 27.89% | 9.28% |
| Hispanic | 20.78% | 31.21% | 16.35% |
| Non-Hispanic | 79.22% | 68.79% | 83.65% |
| FAMILY | | | |
| Married, w/children | 22.25% | 35.46% | 30.42% |
| Married, no children | 53.06% | 33.73% | 42.46% |
| Single, w/children | 14.67% | 15.62% | 14.39% |
| Single, no children | 10.02% | 15.19% | 12.73% |
| Divorced | 12.84% | 9.85% | 10.62% |
| Separated | 3.92% | 6.37% | 4.97% |
| Widowed | 8.40% | 4.57% | 6.14% |
| Now Married | 55.67% | 38.91% | 46.32% |
| Never Married | 19.18% | 40.30% | 31.95% |