| | Kohler, WI | Wheaton, IL | United States |
| Population | 2,072 | 53,762 | 329,725,481 |
| Female Population | 52.5% | 51.3% | 50.5% |
| Male Population | 47.5% | 48.7% | 49.5% |
| Median Age | 43.3 | 37.4 | 38.4 |
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| Population - 2010 | 2,111 | 53,230 | 309,327,143 |
| Population - 2000 | 1,926 | 55,416 | 285,036,114 |
| Population - 1990 | 1,817 | 51,464 | 251,960,433 |
| Pop. 2000 to Now | 6.3% | -5.4% | 15.6% |
| Pop. 1990 to Now | 12.7% | 1.9% | 30.8% |
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| Population Density | 389.2 | 4,756.4 | 93.4 |
| Land Area | 5.3 | 11.3 | 3,531,905.4 |
| Water Area | 0.2 | 0.2 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Kohler, WI | Wheaton, IL | United States |
| Age 0 to 4 | 4.0% | 6.1% | 5.9% |
| Age 5 to 9 | 7.7% | 6.9% | 6.1% |
| Age 10 to 14 | 8.4% | 6.2% | 6.6% |
| Age 15 to 17 | 7.5% | 3.9% | 3.9% |
| Age 18 to 20 | 2.6% | 6.2% | 4.0% |
| Age 21 to 24 | 1.7% | 5.0% | 5.2% |
| Age 25 to 34 | 6.2% | 12.8% | 13.8% |
| Age 35 to 44 | 14.5% | 11.5% | 12.9% |
| Age 45 to 54 | 16.0% | 11.7% | 12.6% |
| Age 55 to 59 | 8.5% | 5.9% | 6.7% |
| Age 60 to 64 | 4.4% | 7.2% | 6.3% |
| Age 65 to 74 | 11.4% | 10.1% | 9.6% |
| Age 75 to 84 | 5.7% | 4.5% | 4.5% |
| Age 85 and over | 1.4% | 1.9% | 1.9% |
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| Race | | | |
| | Kohler, WI | Wheaton, IL | United States |
| White | 89.1% | 78.4% | 59.4% |
| Black | 0.0% | 3.5% | 12.2% |
| Asian | 4.7% | 6.6% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.5% | 0.4% |
| Two or More Races | 1.7% | 3.9% | 3.2% |
| Hispanic | 4.4% | 7.1% | 18.4% |
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| Marriage & Family | | | |
| | Kohler, WI | Wheaton, IL | United States |
| Married Population | 70.6% | 56.4% | 49.8% |
| Currently Married | 69.6% | 55.5% | 48.0% |
| Married but Separated | 1.0% | 0.9% | 1.8% |
| Single Population | 29.4% | 43.6% | 50.2% |
| Never Married | 19.0% | 31.2% | 33.8% |
| Divorced | 6.8% | 7.7% | 10.8% |
| Widowed | 3.6% | 4.7% | 5.6% |
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| Household Size | 2.64 | 2.57 | 2.60 |
| Households | 786 | 19,744 | 124,010,992 |
| Family Households | 614 | 13,302 | 80,755,759 |
| Married couple, w/children | 44.8% | 39.9% | 30.5% |
| Married couple, no children | 46.6% | 46.8% | 42.9% |
| Non Family Households | 172 | 6,442 | 43,255,233 |
| Single householder, w/children | 6.5% | 5.6% | 15.8% |
| Single householder, no children | 2.1% | 7.7% | 10.8% |