| | Slinger, WI | Appleton, WI | United States |
| Population | 5,946 | 74,752 | 329,725,481 |
| Female Population | 50.2% | 50.5% | 50.5% |
| Male Population | 49.8% | 49.5% | 49.5% |
| Median Age | 43.2 | 36.5 | 38.4 |
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| Population - 2010 | 5,084 | 72,616 | 309,327,143 |
| Population - 2000 | 3,901 | 70,087 | 285,036,114 |
| Population - 1990 | 2,340 | 65,695 | 251,960,433 |
| Pop. 2000 to Now | 46.2% | 5.7% | 15.6% |
| Pop. 1990 to Now | 143.8% | 12.7% | 30.8% |
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| Population Density | 1,132.1 | 3,056.5 | 93.4 |
| Land Area | 5.3 | 24.5 | 3,531,905.4 |
| Water Area | 0.0 | 0.5 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Slinger, WI | Appleton, WI | United States |
| Age 0 to 4 | 4.2% | 6.4% | 5.9% |
| Age 5 to 9 | 6.1% | 6.7% | 6.1% |
| Age 10 to 14 | 8.8% | 6.4% | 6.6% |
| Age 15 to 17 | 5.6% | 4.5% | 3.9% |
| Age 18 to 20 | 4.8% | 4.3% | 4.0% |
| Age 21 to 24 | 7.0% | 5.4% | 5.2% |
| Age 25 to 34 | 5.1% | 14.2% | 13.8% |
| Age 35 to 44 | 13.6% | 13.3% | 12.9% |
| Age 45 to 54 | 17.4% | 12.4% | 12.6% |
| Age 55 to 59 | 5.0% | 6.8% | 6.7% |
| Age 60 to 64 | 6.2% | 5.4% | 6.3% |
| Age 65 to 74 | 10.2% | 8.4% | 9.6% |
| Age 75 to 84 | 3.7% | 3.9% | 4.5% |
| Age 85 and over | 2.3% | 1.9% | 1.9% |
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| Race | | | |
| | Slinger, WI | Appleton, WI | United States |
| White | 96.5% | 79.9% | 59.4% |
| Black | 0.0% | 3.0% | 12.2% |
| Asian | 0.3% | 7.2% | 5.6% |
| Native American | 0.5% | 0.4% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 0.1% | 3.0% | 3.2% |
| Hispanic | 2.7% | 6.4% | 18.4% |
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| Marriage & Family | | | |
| | Slinger, WI | Appleton, WI | United States |
| Married Population | 47.5% | 49.5% | 49.8% |
| Currently Married | 47.3% | 48.7% | 48.0% |
| Married but Separated | 0.2% | 0.8% | 1.8% |
| Single Population | 52.5% | 50.5% | 50.2% |
| Never Married | 32.6% | 34.9% | 33.8% |
| Divorced | 15.4% | 11.3% | 10.8% |
| Widowed | 4.4% | 4.4% | 5.6% |
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| Household Size | 2.32 | 2.41 | 2.60 |
| Households | 2,561 | 29,926 | 124,010,992 |
| Family Households | 1,708 | 18,716 | 80,755,759 |
| Married couple, w/children | 34.2% | 32.6% | 30.5% |
| Married couple, no children | 37.7% | 43.9% | 42.9% |
| Non Family Households | 853 | 11,210 | 43,255,233 |
| Single householder, w/children | 12.5% | 16.7% | 15.8% |
| Single householder, no children | 15.6% | 6.8% | 10.8% |