| | Amherst, WI | Stevens Point, WI | United States |
| Population | 1,015 | 25,752 | 329,725,481 |
| Female Population | 47.7% | 49.8% | 50.5% |
| Male Population | 52.3% | 50.2% | 49.5% |
| Median Age | 40.3 | 27.5 | 38.4 |
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| Population - 2010 | 1,038 | 26,705 | 309,327,143 |
| Population - 2000 | 964 | 24,551 | 285,036,114 |
| Population - 1990 | 792 | 23,006 | 251,960,433 |
| Pop. 2000 to Now | 12.2% | 5.7% | 15.6% |
| Pop. 1990 to Now | 36.6% | 12.8% | 30.8% |
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| Population Density | 793.0 | 1,500.7 | 93.4 |
| Land Area | 1.3 | 17.2 | 3,531,905.4 |
| Water Area | 0.1 | 1.2 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Amherst, WI | Stevens Point, WI | United States |
| Age 0 to 4 | 7.0% | 3.7% | 5.9% |
| Age 5 to 9 | 5.3% | 4.0% | 6.1% |
| Age 10 to 14 | 6.9% | 4.7% | 6.6% |
| Age 15 to 17 | 4.3% | 3.3% | 3.9% |
| Age 18 to 20 | 5.4% | 15.1% | 4.0% |
| Age 21 to 24 | 4.2% | 15.7% | 5.2% |
| Age 25 to 34 | 11.1% | 13.4% | 13.8% |
| Age 35 to 44 | 10.2% | 9.1% | 12.9% |
| Age 45 to 54 | 15.2% | 9.6% | 12.6% |
| Age 55 to 59 | 5.8% | 4.0% | 6.7% |
| Age 60 to 64 | 7.1% | 4.6% | 6.3% |
| Age 65 to 74 | 13.5% | 7.2% | 9.6% |
| Age 75 to 84 | 3.3% | 3.9% | 4.5% |
| Age 85 and over | 0.6% | 1.7% | 1.9% |
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| Race | | | |
| | Amherst, WI | Stevens Point, WI | United States |
| White | 95.5% | 87.4% | 59.4% |
| Black | 0.4% | 1.1% | 12.2% |
| Asian | 0.0% | 4.7% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.4% | 0.4% |
| Two or More Races | 0.3% | 2.5% | 3.2% |
| Hispanic | 3.8% | 3.8% | 18.4% |
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| Marriage & Family | | | |
| | Amherst, WI | Stevens Point, WI | United States |
| Married Population | 47.8% | 29.4% | 49.8% |
| Currently Married | 47.8% | 29.0% | 48.0% |
| Married but Separated | 0.0% | 0.4% | 1.8% |
| Single Population | 52.2% | 70.6% | 50.2% |
| Never Married | 31.3% | 55.7% | 33.8% |
| Divorced | 14.0% | 9.9% | 10.8% |
| Widowed | 6.8% | 5.0% | 5.6% |
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| Household Size | 2.14 | 2.14 | 2.60 |
| Households | 475 | 10,673 | 124,010,992 |
| Family Households | 288 | 4,596 | 80,755,759 |
| Married couple, w/children | 27.4% | 25.8% | 30.5% |
| Married couple, no children | 49.0% | 42.7% | 42.9% |
| Non Family Households | 187 | 6,077 | 43,255,233 |
| Single householder, w/children | 17.0% | 20.3% | 15.8% |
| Single householder, no children | 6.6% | 11.2% | 10.8% |