| | Rothschild, WI | Alton, NH | United States |
| Population | 5,535 | 5,826 | 329,725,481 |
| Female Population | 50.7% | 50.1% | 50.5% |
| Male Population | 49.3% | 49.9% | 49.5% |
| Median Age | 40.8 | 50.7 | 38.4 |
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| Population - 2010 | 5,262 | 5,247 | 309,327,143 |
| Population - 2000 | 4,970 | 4,502 | 285,036,114 |
| Population - 1990 | 3,310 | 3,286 | 251,960,433 |
| Pop. 2000 to Now | 5.8% | 19.2% | 15.6% |
| Pop. 1990 to Now | 58.8% | 63.2% | 30.8% |
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| Population Density | 847.8 | 92.6 | 93.4 |
| Land Area | 6.5 | 62.9 | 3,531,905.4 |
| Water Area | 0.4 | 19.3 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Rothschild, WI | Alton, NH | United States |
| Age 0 to 4 | 7.5% | 4.4% | 5.9% |
| Age 5 to 9 | 8.8% | 4.8% | 6.1% |
| Age 10 to 14 | 6.3% | 3.1% | 6.6% |
| Age 15 to 17 | 2.0% | 3.9% | 3.9% |
| Age 18 to 20 | 2.0% | 3.8% | 4.0% |
| Age 21 to 24 | 4.0% | 6.9% | 5.2% |
| Age 25 to 34 | 12.6% | 7.3% | 13.8% |
| Age 35 to 44 | 12.8% | 8.5% | 12.9% |
| Age 45 to 54 | 12.5% | 13.0% | 12.6% |
| Age 55 to 59 | 6.3% | 12.4% | 6.7% |
| Age 60 to 64 | 7.9% | 7.5% | 6.3% |
| Age 65 to 74 | 11.0% | 12.5% | 9.6% |
| Age 75 to 84 | 5.2% | 9.4% | 4.5% |
| Age 85 and over | 1.1% | 2.4% | 1.9% |
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| Race | | | |
| | Rothschild, WI | Alton, NH | United States |
| White | 95.2% | 98.0% | 59.4% |
| Black | 0.3% | 0.0% | 12.2% |
| Asian | 3.1% | 0.0% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.4% | 0.0% | 0.4% |
| Two or More Races | 1.0% | 1.1% | 3.2% |
| Hispanic | 0.0% | 0.9% | 18.4% |
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| Marriage & Family | | | |
| | Rothschild, WI | Alton, NH | United States |
| Married Population | 60.8% | 61.5% | 49.8% |
| Currently Married | 60.8% | 61.5% | 48.0% |
| Married but Separated | 0.0% | 0.0% | 1.8% |
| Single Population | 39.2% | 38.5% | 50.2% |
| Never Married | 20.5% | 27.1% | 33.8% |
| Divorced | 14.2% | 3.8% | 10.8% |
| Widowed | 4.4% | 7.6% | 5.6% |
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| Household Size | 2.38 | 2.73 | 2.60 |
| Households | 2,308 | 2,134 | 124,010,992 |
| Family Households | 1,465 | 1,803 | 80,755,759 |
| Married couple, w/children | 36.0% | 27.7% | 30.5% |
| Married couple, no children | 51.5% | 58.8% | 42.9% |
| Non Family Households | 843 | 331 | 43,255,233 |
| Single householder, w/children | 6.8% | 6.5% | 15.8% |
| Single householder, no children | 5.8% | 6.9% | 10.8% |