| | Excelsior, WI | Reedsburg, WI | United States |
| Population | 1,681 | 9,942 | 329,725,481 |
| Female Population | 48.2% | 49.1% | 50.5% |
| Male Population | 51.8% | 50.9% | 49.5% |
| Median Age | 47.7 | 36.4 | 38.4 |
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| Population - 2010 | 1,571 | 9,290 | 309,327,143 |
| Population - 2000 | 1,410 | 7,827 | 285,036,114 |
| Population - 1990 | 1,194 | 5,834 | 251,960,433 |
| Pop. 2000 to Now | 19.2% | 21.4% | 15.6% |
| Pop. 1990 to Now | 40.8% | 62.8% | 30.8% |
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| Population Density | 50.1 | 1,733.0 | 93.4 |
| Land Area | 33.5 | 5.7 | 3,531,905.4 |
| Water Area | 0.5 | 0.1 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Excelsior, WI | Reedsburg, WI | United States |
| Age 0 to 4 | 2.7% | 5.1% | 5.9% |
| Age 5 to 9 | 5.4% | 10.3% | 6.1% |
| Age 10 to 14 | 5.5% | 8.8% | 6.6% |
| Age 15 to 17 | 3.5% | 3.3% | 3.9% |
| Age 18 to 20 | 2.6% | 4.7% | 4.0% |
| Age 21 to 24 | 2.8% | 4.0% | 5.2% |
| Age 25 to 34 | 8.7% | 10.8% | 13.8% |
| Age 35 to 44 | 14.2% | 12.8% | 12.9% |
| Age 45 to 54 | 13.7% | 10.2% | 12.6% |
| Age 55 to 59 | 10.0% | 6.1% | 6.7% |
| Age 60 to 64 | 7.4% | 6.1% | 6.3% |
| Age 65 to 74 | 14.9% | 8.9% | 9.6% |
| Age 75 to 84 | 3.4% | 5.9% | 4.5% |
| Age 85 and over | 5.3% | 2.9% | 1.9% |
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| Race | | | |
| | Excelsior, WI | Reedsburg, WI | United States |
| White | 96.4% | 85.0% | 59.4% |
| Black | 0.0% | 0.5% | 12.2% |
| Asian | 0.2% | 0.2% | 5.6% |
| Native American | 0.0% | 3.5% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 3.2% | 1.8% | 3.2% |
| Hispanic | 0.2% | 9.0% | 18.4% |
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| Marriage & Family | | | |
| | Excelsior, WI | Reedsburg, WI | United States |
| Married Population | 69.5% | 54.5% | 49.8% |
| Currently Married | 68.9% | 53.4% | 48.0% |
| Married but Separated | 0.6% | 1.2% | 1.8% |
| Single Population | 30.5% | 45.5% | 50.2% |
| Never Married | 21.4% | 29.7% | 33.8% |
| Divorced | 6.0% | 8.5% | 10.8% |
| Widowed | 3.1% | 7.3% | 5.6% |
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| Household Size | 2.56 | 2.55 | 2.60 |
| Households | 655 | 3,844 | 124,010,992 |
| Family Households | 488 | 2,616 | 80,755,759 |
| Married couple, w/children | 26.6% | 28.1% | 30.5% |
| Married couple, no children | 65.6% | 47.2% | 42.9% |
| Non Family Households | 167 | 1,228 | 43,255,233 |
| Single householder, w/children | 4.9% | 15.2% | 15.8% |
| Single householder, no children | 2.9% | 9.4% | 10.8% |