| PEOPLE | Key West | Rifle | United States |
| Population | 24,649 | 9,172 | 308,035,306 |
| Pop. Density | 4,412 | 1,636 | 87 |
| Pop. Change | -2.52% | 29.50% | 8.07% |
| Median Age | 41.6 | 30.9 | 37.3 |
| Households | 10,929 | 3,221 | 116,716,292 |
| Household Size | 2.15 | 2.8 | 2.58 |
| Male Population | 55.38% | 51.34% | 49.27% |
| Female Population | 44.62% | 48.66% | 50.96% |
| Married Population | 35.76% | 50.96% | 47.02% |
| Single Population | 64.24% | 49.04% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 4.92% | 9.42% | 6.56% |
| Age 5 to 9 | 3.76% | 8.90% | 6.61% |
| Age 10 to 14 | 3.40% | 8.08% | 6.71% |
| Age 15 to 17 | 2.43% | 4.22% | 4.21% |
| Age 18 to 20 | 1.86% | 2.70% | 2.95% |
| Age 21 to 24 | 6.60% | 6.67% | 7.01% |
| Age 25 to 34 | 16.73% | 16.20% | 13.33% |
| Age 35 to 44 | 15.77% | 14.26% | 13.33% |
| Age 45 to 49 | 16.45% | 13.39% | 14.61% |
| Age 50 to 54 | 16.45% | 13.39% | 14.61% |
| Age 55 to 59 | 15.23% | 8.72% | 11.84% |
| Age 60 to 64 | 15.23% | 8.72% | 11.84% |
| Age 65 to 74 | 7.71% | 3.51% | 7.05% |
| Age 75 to 84 | 3.74% | 2.43% | 4.24% |
| Age 85 and over | 1.40% | 1.49% | 1.78% |
| RACE | | | |
| White | 83.77% | 81.01% | 72.41% |
| Black | 9.75% | 0.51% | 12.61% |
| Asian | 1.63% | 0.57% | 4.75% |
| American Indian | 0.43% | 1.31% | 0.95% |
| Other | 4.42% | 16.60% | 9.28% |
| Hispanic | 9.73% | 30.43% | 16.35% |
| Non-Hispanic | 90.27% | 69.57% | 83.65% |
| FAMILY | | | |
| Married, w/children | 24.37% | 41.39% | 30.42% |
| Married, no children | 47.43% | 34.89% | 42.46% |
| Single, w/children | 13.05% | 16.46% | 14.39% |
| Single, no children | 15.15% | 7.26% | 12.73% |
| Divorced | 18.20% | 10.63% | 10.62% |
| Separated | 9.84% | 7.06% | 4.97% |
| Widowed | 5.24% | 6.60% | 6.14% |
| Now Married | 35.68% | 50.32% | 46.32% |
| Never Married | 31.04% | 25.40% | 31.95% |