| | Reedsburg, WI | Superior, WI | United States |
| Population | 9,942 | 26,601 | 329,725,481 |
| Female Population | 49.1% | 51.6% | 50.5% |
| Male Population | 50.9% | 48.4% | 49.5% |
| Median Age | 36.4 | 38.1 | 38.4 |
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| Population - 2010 | 9,290 | 27,192 | 309,327,143 |
| Population - 2000 | 7,827 | 27,368 | 285,036,114 |
| Population - 1990 | 5,834 | 27,134 | 251,960,433 |
| Pop. 2000 to Now | 21.4% | -4.2% | 15.6% |
| Pop. 1990 to Now | 62.8% | -3.4% | 30.8% |
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| Population Density | 1,733.0 | 725.8 | 93.4 |
| Land Area | 5.7 | 36.6 | 3,531,905.4 |
| Water Area | 0.1 | 8.7 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Reedsburg, WI | Superior, WI | United States |
| Age 0 to 4 | 5.1% | 4.9% | 5.9% |
| Age 5 to 9 | 10.3% | 4.9% | 6.1% |
| Age 10 to 14 | 8.8% | 6.8% | 6.6% |
| Age 15 to 17 | 3.3% | 3.6% | 3.9% |
| Age 18 to 20 | 4.7% | 4.6% | 4.0% |
| Age 21 to 24 | 4.0% | 6.1% | 5.2% |
| Age 25 to 34 | 10.8% | 14.3% | 13.8% |
| Age 35 to 44 | 12.8% | 14.2% | 12.9% |
| Age 45 to 54 | 10.2% | 12.5% | 12.6% |
| Age 55 to 59 | 6.1% | 5.5% | 6.7% |
| Age 60 to 64 | 6.1% | 6.6% | 6.3% |
| Age 65 to 74 | 8.9% | 8.9% | 9.6% |
| Age 75 to 84 | 5.9% | 4.9% | 4.5% |
| Age 85 and over | 2.9% | 2.1% | 1.9% |
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| Race | | | |
| | Reedsburg, WI | Superior, WI | United States |
| White | 85.0% | 88.8% | 59.4% |
| Black | 0.5% | 1.9% | 12.2% |
| Asian | 0.2% | 2.0% | 5.6% |
| Native American | 3.5% | 1.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.2% | 0.4% |
| Two or More Races | 1.8% | 3.8% | 3.2% |
| Hispanic | 9.0% | 2.2% | 18.4% |
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| Marriage & Family | | | |
| | Reedsburg, WI | Superior, WI | United States |
| Married Population | 54.5% | 40.7% | 49.8% |
| Currently Married | 53.4% | 38.9% | 48.0% |
| Married but Separated | 1.2% | 1.8% | 1.8% |
| Single Population | 45.5% | 59.3% | 50.2% |
| Never Married | 29.7% | 34.9% | 33.8% |
| Divorced | 8.5% | 16.7% | 10.8% |
| Widowed | 7.3% | 7.8% | 5.6% |
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| Household Size | 2.55 | 2.21 | 2.60 |
| Households | 3,844 | 11,614 | 124,010,992 |
| Family Households | 2,616 | 6,190 | 80,755,759 |
| Married couple, w/children | 28.1% | 27.7% | 30.5% |
| Married couple, no children | 47.2% | 39.2% | 42.9% |
| Non Family Households | 1,228 | 5,424 | 43,255,233 |
| Single householder, w/children | 15.2% | 22.5% | 15.8% |
| Single householder, no children | 9.4% | 10.6% | 10.8% |