| | Mauston, WI | Muncy, PA | United States |
| Population | 4,317 | 2,614 | 329,725,481 |
| Female Population | 41.9% | 50.3% | 50.5% |
| Male Population | 58.1% | 49.7% | 49.5% |
| Median Age | 43.8 | 35.7 | 38.4 |
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| Population - 2010 | 4,418 | 2,482 | 309,327,143 |
| Population - 2000 | 3,740 | 2,663 | 285,036,114 |
| Population - 1990 | 3,439 | 2,702 | 251,960,433 |
| Pop. 2000 to Now | 16.5% | -9.7% | 15.6% |
| Pop. 1990 to Now | 26.7% | -11.0% | 30.8% |
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| Population Density | 965.8 | 3,097.2 | 93.4 |
| Land Area | 4.5 | 0.8 | 3,531,905.4 |
| Water Area | 0.4 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Mauston, WI | Muncy, PA | United States |
| Age 0 to 4 | 4.8% | 7.3% | 5.9% |
| Age 5 to 9 | 2.7% | 9.7% | 6.1% |
| Age 10 to 14 | 6.7% | 8.5% | 6.6% |
| Age 15 to 17 | 4.4% | 4.4% | 3.9% |
| Age 18 to 20 | 4.1% | 3.0% | 4.0% |
| Age 21 to 24 | 4.4% | 2.7% | 5.2% |
| Age 25 to 34 | 14.8% | 12.9% | 13.8% |
| Age 35 to 44 | 11.5% | 13.9% | 12.9% |
| Age 45 to 54 | 13.8% | 11.7% | 12.6% |
| Age 55 to 59 | 6.9% | 5.1% | 6.7% |
| Age 60 to 64 | 6.3% | 4.2% | 6.3% |
| Age 65 to 74 | 10.4% | 10.0% | 9.6% |
| Age 75 to 84 | 6.6% | 4.6% | 4.5% |
| Age 85 and over | 2.7% | 1.9% | 1.9% |
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| Race | | | |
| | Mauston, WI | Muncy, PA | United States |
| White | 89.1% | 94.3% | 59.4% |
| Black | 5.1% | 0.2% | 12.2% |
| Asian | 1.4% | 1.2% | 5.6% |
| Native American | 0.5% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.2% | 0.4% |
| Two or More Races | 2.0% | 0.4% | 3.2% |
| Hispanic | 1.9% | 3.9% | 18.4% |
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| Marriage & Family | | | |
| | Mauston, WI | Muncy, PA | United States |
| Married Population | 40.8% | 60.5% | 49.8% |
| Currently Married | 39.7% | 58.9% | 48.0% |
| Married but Separated | 1.0% | 1.6% | 1.8% |
| Single Population | 59.2% | 39.5% | 50.2% |
| Never Married | 40.4% | 23.0% | 33.8% |
| Divorced | 12.5% | 8.9% | 10.8% |
| Widowed | 6.3% | 7.6% | 5.6% |
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| Household Size | 2.32 | 2.53 | 2.60 |
| Households | 1,596 | 1,032 | 124,010,992 |
| Family Households | 826 | 729 | 80,755,759 |
| Married couple, w/children | 33.1% | 32.8% | 30.5% |
| Married couple, no children | 44.4% | 47.1% | 42.9% |
| Non Family Households | 770 | 303 | 43,255,233 |
| Single householder, w/children | 13.3% | 15.9% | 15.8% |
| Single householder, no children | 9.2% | 4.3% | 10.8% |