| PEOPLE | Idaho Falls | Gooding | United States |
| Population | 56,813 | 3,567 | 308,035,306 |
| Pop. Density | 2,542 | 2,416 | 87 |
| Pop. Change | 11.30% | 4.34% | 8.07% |
| Median Age | 32.4 | 33.6 | 37.3 |
| Households | 21,203 | 1,395 | 116,716,292 |
| Household Size | 2.64 | 2.56 | 2.58 |
| Male Population | 49.53% | 50.01% | 49.27% |
| Female Population | 50.47% | 49.99% | 50.96% |
| Married Population | 53.51% | 54.83% | 47.02% |
| Single Population | 46.49% | 45.17% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 9.21% | 9.64% | 6.56% |
| Age 5 to 9 | 8.42% | 8.55% | 6.61% |
| Age 10 to 14 | 7.27% | 7.01% | 6.71% |
| Age 15 to 17 | 4.44% | 4.49% | 4.21% |
| Age 18 to 20 | 2.50% | 2.72% | 2.95% |
| Age 21 to 24 | 6.70% | 6.48% | 7.01% |
| Age 25 to 34 | 15.15% | 13.04% | 13.33% |
| Age 35 to 44 | 11.24% | 11.38% | 13.33% |
| Age 45 to 49 | 12.78% | 10.54% | 14.61% |
| Age 50 to 54 | 12.78% | 10.54% | 14.61% |
| Age 55 to 59 | 10.52% | 8.41% | 11.84% |
| Age 60 to 64 | 10.52% | 8.41% | 11.84% |
| Age 65 to 74 | 5.94% | 8.44% | 7.05% |
| Age 75 to 84 | 3.91% | 6.11% | 4.24% |
| Age 85 and over | 1.93% | 3.20% | 1.78% |
| RACE | | | |
| White | 89.26% | 84.58% | 72.41% |
| Black | 0.70% | 0.42% | 12.61% |
| Asian | 1.01% | 0.62% | 4.75% |
| American Indian | 0.97% | 0.90% | 0.95% |
| Other | 8.06% | 13.48% | 9.28% |
| Hispanic | 2.86% | 1.50% | 16.35% |
| Non-Hispanic | 97.14% | 98.50% | 83.65% |
| FAMILY | | | |
| Married, w/children | 35.53% | 34.38% | 30.42% |
| Married, no children | 41.10% | 37.15% | 42.46% |
| Single, w/children | 14.79% | 18.52% | 14.39% |
| Single, no children | 8.58% | 9.95% | 12.73% |
| Divorced | 15.63% | 10.74% | 10.62% |
| Separated | 3.91% | 4.70% | 4.97% |
| Widowed | 5.66% | 12.42% | 6.14% |
| Now Married | 53.39% | 55.05% | 46.32% |
| Never Married | 21.41% | 17.09% | 31.95% |