| PEOPLE | Simsbury | Sisseton | United States |
| Population | 23,511 | 2,470 | 308,035,306 |
| Pop. Density | 693 | 1,552 | 87 |
| Pop. Change | 1.15% | -0.28% | 8.07% |
| Median Age | 43.3 | 34.5 | 37.3 |
| Households | 8,776 | 958 | 116,716,292 |
| Household Size | 2.64 | 2.51 | 2.58 |
| Male Population | 48.76% | 48.10% | 49.27% |
| Female Population | 51.24% | 51.90% | 50.96% |
| Married Population | 61.62% | 42.93% | 47.02% |
| Single Population | 38.38% | 57.07% | 52.98% |
| ESTIMATED TOTAL POPULATION BY AGE | | | |
| Age 0 to 4 | 4.87% | 9.88% | 6.56% |
| Age 5 to 9 | 7.48% | 7.09% | 6.61% |
| Age 10 to 14 | 9.21% | 7.53% | 6.71% |
| Age 15 to 17 | 5.85% | 5.22% | 4.21% |
| Age 18 to 20 | 1.98% | 3.08% | 2.95% |
| Age 21 to 24 | 3.00% | 5.91% | 7.01% |
| Age 25 to 34 | 6.60% | 11.82% | 13.33% |
| Age 35 to 44 | 13.60% | 10.28% | 13.33% |
| Age 45 to 49 | 19.45% | 10.69% | 14.61% |
| Age 50 to 54 | 19.45% | 10.69% | 14.61% |
| Age 55 to 59 | 13.70% | 11.13% | 11.84% |
| Age 60 to 64 | 13.70% | 11.13% | 11.84% |
| Age 65 to 74 | 7.12% | 7.33% | 7.05% |
| Age 75 to 84 | 4.64% | 6.68% | 4.24% |
| Age 85 and over | 2.50% | 3.36% | 1.78% |
| RACE | | | |
| White | 92.05% | 47.04% | 72.41% |
| Black | 1.72% | 0.08% | 12.61% |
| Asian | 3.78% | 0.40% | 4.75% |
| American Indian | 0.09% | 47.81% | 0.95% |
| Other | 2.36% | 4.66% | 9.28% |
| Hispanic | 1.96% | 0.80% | 16.35% |
| Non-Hispanic | 98.04% | 99.20% | 83.65% |
| FAMILY | | | |
| Married, w/children | 42.79% | 23.44% | 30.42% |
| Married, no children | 44.23% | 33.51% | 42.46% |
| Single, w/children | 7.78% | 25.87% | 14.39% |
| Single, no children | 5.20% | 17.19% | 12.73% |
| Divorced | 8.48% | 11.49% | 10.62% |
| Separated | 1.67% | 2.46% | 4.97% |
| Widowed | 4.82% | 12.57% | 6.14% |
| Now Married | 62.87% | 42.84% | 46.32% |
| Never Married | 22.15% | 30.63% | 31.95% |