| PEOPLE | Peru | Santa Fe | United States |
| Population | 539 | 67,947 | 308,035,306 |
| Pop. Density | 12 | 1,478 | 87 |
| Pop. Change | 2.86% | 7.71% | 8.07% |
| Median Age | 42.6 | 44 | 37.3 |
| Households | 211 | 31,895 | 116,716,292 |
| Household Size | 2.57 | 2.14 | 2.58 |
| Male Population | 51.76% | 47.36% | 49.27% |
| Female Population | 48.24% | 52.64% | 50.96% |
| Married Population | 65.90% | 37.49% | 47.02% |
| Single Population | 34.10% | 62.51% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 5.94% | 5.55% | 6.56% |
| Age 5 to 9 | 6.68% | 5.15% | 6.61% |
| Age 10 to 14 | 7.79% | 5.09% | 6.71% |
| Age 15 to 17 | 4.82% | 3.07% | 4.21% |
| Age 18 to 20 | 1.86% | 2.06% | 2.95% |
| Age 21 to 24 | 3.34% | 5.45% | 7.01% |
| Age 25 to 34 | 9.09% | 12.25% | 13.33% |
| Age 35 to 44 | 13.73% | 12.62% | 13.33% |
| Age 45 to 49 | 16.14% | 14.57% | 14.61% |
| Age 50 to 54 | 16.14% | 14.57% | 14.61% |
| Age 55 to 59 | 13.91% | 16.60% | 11.84% |
| Age 60 to 64 | 13.91% | 16.60% | 11.84% |
| Age 65 to 74 | 10.58% | 9.84% | 7.05% |
| Age 75 to 84 | 4.82% | 5.40% | 4.24% |
| Age 85 and over | 1.30% | 2.34% | 1.78% |
| RACE | | | |
| White | 98.33% | 78.90% | 72.41% |
| Black | 0.19% | 1.01% | 12.61% |
| Asian | 0.00% | 1.44% | 4.75% |
| American Indian | 0.19% | 2.09% | 0.95% |
| Other | 1.35% | 16.56% | 9.28% |
| Hispanic | 1.19% | 1.03% | 16.35% |
| Non-Hispanic | 98.81% | 98.97% | 83.65% |
| FAMILY | | | |
| Married, w/children | 32.72% | 23.01% | 30.42% |
| Married, no children | 55.56% | 44.25% | 42.46% |
| Single, w/children | 6.79% | 17.77% | 14.39% |
| Single, no children | 4.94% | 14.97% | 12.73% |
| Divorced | 8.32% | 17.91% | 10.62% |
| Separated | 1.19% | 4.03% | 4.97% |
| Widowed | 4.24% | 6.17% | 6.14% |
| Now Married | 65.37% | 37.22% | 46.32% |
| Never Married | 20.88% | 34.66% | 31.95% |