| | West Salem, WI | Loveland, CO | United States |
| Population | 5,225 | 75,938 | 329,725,481 |
| Female Population | 49.4% | 51.2% | 50.5% |
| Male Population | 50.6% | 48.8% | 49.5% |
| Median Age | 42.9 | 40.2 | 38.4 |
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| Population - 2010 | 4,825 | 67,257 | 309,327,143 |
| Population - 2000 | 4,540 | 50,608 | 285,036,114 |
| Population - 1990 | 3,611 | 37,352 | 251,960,433 |
| Pop. 2000 to Now | 10.4% | 65.0% | 15.6% |
| Pop. 1990 to Now | 38.8% | 123.6% | 30.8% |
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| Population Density | 1,561.6 | 2,218.2 | 93.4 |
| Land Area | 3.3 | 34.2 | 3,531,905.4 |
| Water Area | 0.1 | 1.5 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | West Salem, WI | Loveland, CO | United States |
| Age 0 to 4 | 3.9% | 5.8% | 5.9% |
| Age 5 to 9 | 13.2% | 5.5% | 6.1% |
| Age 10 to 14 | 7.9% | 6.5% | 6.6% |
| Age 15 to 17 | 4.8% | 2.9% | 3.9% |
| Age 18 to 20 | 2.3% | 2.6% | 4.0% |
| Age 21 to 24 | 1.8% | 4.9% | 5.2% |
| Age 25 to 34 | 9.5% | 13.8% | 13.8% |
| Age 35 to 44 | 11.5% | 14.0% | 12.9% |
| Age 45 to 54 | 10.3% | 10.6% | 12.6% |
| Age 55 to 59 | 10.1% | 5.9% | 6.7% |
| Age 60 to 64 | 5.6% | 7.1% | 6.3% |
| Age 65 to 74 | 12.1% | 11.8% | 9.6% |
| Age 75 to 84 | 3.8% | 5.1% | 4.5% |
| Age 85 and over | 3.2% | 3.5% | 1.9% |
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| Race | | | |
| | West Salem, WI | Loveland, CO | United States |
| White | 89.8% | 83.1% | 59.4% |
| Black | 0.1% | 0.5% | 12.2% |
| Asian | 3.6% | 1.0% | 5.6% |
| Native American | 0.0% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.2% | 0.0% | 0.4% |
| Two or More Races | 5.4% | 1.7% | 3.2% |
| Hispanic | 0.9% | 13.4% | 18.4% |
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| Marriage & Family | | | |
| | West Salem, WI | Loveland, CO | United States |
| Married Population | 58.0% | 54.8% | 49.8% |
| Currently Married | 57.2% | 53.9% | 48.0% |
| Married but Separated | 0.8% | 0.9% | 1.8% |
| Single Population | 42.0% | 45.2% | 50.2% |
| Never Married | 21.7% | 26.7% | 33.8% |
| Divorced | 10.0% | 12.7% | 10.8% |
| Widowed | 10.3% | 5.8% | 5.6% |
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| Household Size | 2.49 | 2.30 | 2.60 |
| Households | 2,034 | 32,888 | 124,010,992 |
| Family Households | 1,343 | 20,503 | 80,755,759 |
| Married couple, w/children | 37.3% | 27.3% | 30.5% |
| Married couple, no children | 45.9% | 53.1% | 42.9% |
| Non Family Households | 691 | 12,385 | 43,255,233 |
| Single householder, w/children | 11.2% | 11.9% | 15.8% |
| Single householder, no children | 5.7% | 7.7% | 10.8% |