| PEOPLE | Spanish Fork | Butler | United States |
| Population | 34,691 | 7,539 | 308,035,306 |
| Pop. Density | 2,254 | 3,703 | 87 |
| Pop. Change | 67.89% | 3.73% | 8.07% |
| Median Age | 25 | 40.2 | 37.3 |
| Households | 9,069 | 3,031 | 116,716,292 |
| Household Size | 3.73 | 2.48 | 2.58 |
| Male Population | 50.71% | 50.18% | 49.27% |
| Female Population | 49.29% | 49.82% | 50.96% |
| Married Population | 60.05% | 54.68% | 47.02% |
| Single Population | 39.95% | 45.32% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 13.01% | 5.88% | 6.56% |
| Age 5 to 9 | 12.24% | 5.77% | 6.61% |
| Age 10 to 14 | 10.45% | 5.48% | 6.71% |
| Age 15 to 17 | 5.24% | 3.62% | 4.21% |
| Age 18 to 20 | 2.64% | 1.63% | 2.95% |
| Age 21 to 24 | 6.47% | 4.78% | 7.01% |
| Age 25 to 34 | 18.12% | 15.06% | 13.33% |
| Age 35 to 44 | 12.89% | 16.51% | 13.33% |
| Age 45 to 49 | 8.12% | 15.72% | 14.61% |
| Age 50 to 54 | 8.12% | 15.72% | 14.61% |
| Age 55 to 59 | 5.34% | 12.36% | 11.84% |
| Age 60 to 64 | 5.34% | 12.36% | 11.84% |
| Age 65 to 74 | 3.06% | 7.23% | 7.05% |
| Age 75 to 84 | 1.78% | 4.23% | 4.24% |
| Age 85 and over | 0.63% | 1.74% | 1.78% |
| RACE | | | |
| White | 90.91% | 88.95% | 72.41% |
| Black | 0.41% | 1.11% | 12.61% |
| Asian | 0.59% | 3.02% | 4.75% |
| American Indian | 0.54% | 0.16% | 0.95% |
| Other | 7.55% | 6.75% | 9.28% |
| Hispanic | 11.30% | 23.72% | 16.35% |
| Non-Hispanic | 88.70% | 76.28% | 83.65% |
| FAMILY | | | |
| Married, w/children | 58.21% | 34.58% | 30.42% |
| Married, no children | 28.45% | 43.44% | 42.46% |
| Single, w/children | 7.60% | 8.86% | 14.39% |
| Single, no children | 5.75% | 13.11% | 12.73% |
| Divorced | 6.66% | 7.70% | 10.62% |
| Separated | 2.49% | 3.61% | 4.97% |
| Widowed | 3.69% | 7.50% | 6.14% |
| Now Married | 60.25% | 53.63% | 46.32% |
| Never Married | 26.92% | 27.56% | 31.95% |
