| | Sioux Center, IA | Prior Lake, MN | United States |
| Population | 8,090 | 27,242 | 329,725,481 |
| Female Population | 49.2% | 50.4% | 50.5% |
| Male Population | 50.8% | 49.6% | 49.5% |
| Median Age | 30.5 | 39.6 | 38.4 |
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| Population - 2010 | 7,053 | 23,104 | 309,327,143 |
| Population - 2000 | 6,002 | 15,917 | 285,036,114 |
| Population - 1990 | 5,074 | 11,482 | 251,960,433 |
| Pop. 2000 to Now | 27.7% | 71.6% | 15.6% |
| Pop. 1990 to Now | 51.1% | 137.9% | 30.8% |
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| Population Density | 1,300.2 | 1,712.9 | 93.4 |
| Land Area | 6.2 | 15.9 | 3,531,905.4 |
| Water Area | 0.0 | 3.2 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Sioux Center, IA | Prior Lake, MN | United States |
| Age 0 to 4 | 10.4% | 5.4% | 5.9% |
| Age 5 to 9 | 4.3% | 7.1% | 6.1% |
| Age 10 to 14 | 7.2% | 8.9% | 6.6% |
| Age 15 to 17 | 6.2% | 4.7% | 3.9% |
| Age 18 to 20 | 10.6% | 3.9% | 4.0% |
| Age 21 to 24 | 5.8% | 3.9% | 5.2% |
| Age 25 to 34 | 11.6% | 9.9% | 13.8% |
| Age 35 to 44 | 11.3% | 16.0% | 12.9% |
| Age 45 to 54 | 7.2% | 14.6% | 12.6% |
| Age 55 to 59 | 7.5% | 7.6% | 6.7% |
| Age 60 to 64 | 3.6% | 5.3% | 6.3% |
| Age 65 to 74 | 6.8% | 8.4% | 9.6% |
| Age 75 to 84 | 4.1% | 3.2% | 4.5% |
| Age 85 and over | 3.3% | 1.3% | 1.9% |
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| Race | | | |
| | Sioux Center, IA | Prior Lake, MN | United States |
| White | 85.9% | 86.8% | 59.4% |
| Black | 0.4% | 1.0% | 12.2% |
| Asian | 1.1% | 3.9% | 5.6% |
| Native American | 0.1% | 0.7% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.6% | 0.4% |
| Two or More Races | 1.8% | 3.4% | 3.2% |
| Hispanic | 10.7% | 3.6% | 18.4% |
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| Marriage & Family | | | |
| | Sioux Center, IA | Prior Lake, MN | United States |
| Married Population | 56.7% | 63.0% | 49.8% |
| Currently Married | 56.6% | 62.3% | 48.0% |
| Married but Separated | 0.1% | 0.7% | 1.8% |
| Single Population | 43.3% | 37.0% | 50.2% |
| Never Married | 32.6% | 25.6% | 33.8% |
| Divorced | 4.8% | 6.9% | 10.8% |
| Widowed | 5.9% | 4.4% | 5.6% |
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| Household Size | 2.63 | 2.74 | 2.60 |
| Households | 2,684 | 9,924 | 124,010,992 |
| Family Households | 1,851 | 7,292 | 80,755,759 |
| Married couple, w/children | 48.8% | 45.9% | 30.5% |
| Married couple, no children | 44.8% | 41.0% | 42.9% |
| Non Family Households | 833 | 2,632 | 43,255,233 |
| Single householder, w/children | 5.1% | 7.9% | 15.8% |
| Single householder, no children | 1.4% | 5.2% | 10.8% |