| | Kalispell, MT | West Bend, WI | United States |
| Population | 24,260 | 31,639 | 329,725,481 |
| Female Population | 51.4% | 50.7% | 50.5% |
| Male Population | 48.6% | 49.4% | 49.5% |
| Median Age | 35.3 | 39.8 | 38.4 |
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| Population - 2010 | 20,070 | 31,206 | 309,327,143 |
| Population - 2000 | 14,223 | 28,152 | 285,036,114 |
| Population - 1990 | 11,917 | 23,916 | 251,960,433 |
| Pop. 2000 to Now | 78.1% | 11.8% | 15.6% |
| Pop. 1990 to Now | 112.6% | 31.6% | 30.8% |
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| Population Density | 2,022.2 | 2,098.9 | 93.4 |
| Land Area | 12.0 | 15.1 | 3,531,905.4 |
| Water Area | 0.1 | 0.2 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Kalispell, MT | West Bend, WI | United States |
| Age 0 to 4 | 7.7% | 5.5% | 5.9% |
| Age 5 to 9 | 5.9% | 5.8% | 6.1% |
| Age 10 to 14 | 6.2% | 6.7% | 6.6% |
| Age 15 to 17 | 4.6% | 3.8% | 3.9% |
| Age 18 to 20 | 3.6% | 3.5% | 4.0% |
| Age 21 to 24 | 5.3% | 4.1% | 5.2% |
| Age 25 to 34 | 16.3% | 12.8% | 13.8% |
| Age 35 to 44 | 12.6% | 14.2% | 12.9% |
| Age 45 to 54 | 10.5% | 12.5% | 12.6% |
| Age 55 to 59 | 3.9% | 6.8% | 6.7% |
| Age 60 to 64 | 6.5% | 6.5% | 6.3% |
| Age 65 to 74 | 8.8% | 9.8% | 9.6% |
| Age 75 to 84 | 5.7% | 5.1% | 4.5% |
| Age 85 and over | 2.5% | 2.8% | 1.9% |
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| Race | | | |
| | Kalispell, MT | West Bend, WI | United States |
| White | 90.2% | 91.7% | 59.4% |
| Black | 0.7% | 1.5% | 12.2% |
| Asian | 1.5% | 0.6% | 5.6% |
| Native American | 1.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.1% | 0.1% | 0.4% |
| Two or More Races | 2.4% | 2.1% | 3.2% |
| Hispanic | 4.1% | 3.9% | 18.4% |
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| Marriage & Family | | | |
| | Kalispell, MT | West Bend, WI | United States |
| Married Population | 44.8% | 51.5% | 49.8% |
| Currently Married | 41.3% | 50.5% | 48.0% |
| Married but Separated | 3.4% | 1.0% | 1.8% |
| Single Population | 55.2% | 48.5% | 50.2% |
| Never Married | 32.6% | 28.6% | 33.8% |
| Divorced | 16.2% | 13.2% | 10.8% |
| Widowed | 6.4% | 6.7% | 5.6% |
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| Household Size | 2.45 | 2.22 | 2.60 |
| Households | 9,714 | 14,044 | 124,010,992 |
| Family Households | 5,478 | 8,397 | 80,755,759 |
| Married couple, w/children | 27.9% | 29.4% | 30.5% |
| Married couple, no children | 39.2% | 46.3% | 42.9% |
| Non Family Households | 4,236 | 5,647 | 43,255,233 |
| Single householder, w/children | 23.1% | 17.7% | 15.8% |
| Single householder, no children | 9.8% | 6.6% | 10.8% |