| | Everson, WA | Arlee, MT | United States |
| Population | 2,859 | 725 | 329,725,481 |
| Female Population | 53.5% | 56.6% | 50.5% |
| Male Population | 46.6% | 43.5% | 49.5% |
| Median Age | 34.1 | 36.3 | 38.4 |
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| Population - 2010 | 2,492 | 649 | 309,327,143 |
| Population - 2000 | 2,035 | 602 | 285,036,114 |
| Population - 1990 | 1,490 | 489 | 251,960,433 |
| Pop. 2000 to Now | 41.9% | 10.6% | 15.6% |
| Pop. 1990 to Now | 93.8% | 36.2% | 30.8% |
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| Population Density | 2,187.5 | 112.1 | 93.4 |
| Land Area | 1.3 | 6.5 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Everson, WA | Arlee, MT | United States |
| Age 0 to 4 | 9.5% | 5.4% | 5.9% |
| Age 5 to 9 | 6.2% | 6.8% | 6.1% |
| Age 10 to 14 | 9.1% | 9.5% | 6.6% |
| Age 15 to 17 | 2.9% | 4.7% | 3.9% |
| Age 18 to 20 | 3.4% | 0.4% | 4.0% |
| Age 21 to 24 | 6.1% | 8.3% | 5.2% |
| Age 25 to 34 | 13.6% | 7.9% | 13.8% |
| Age 35 to 44 | 17.1% | 26.6% | 12.9% |
| Age 45 to 54 | 9.0% | 7.6% | 12.6% |
| Age 55 to 59 | 3.8% | 5.0% | 6.7% |
| Age 60 to 64 | 5.1% | 5.9% | 6.3% |
| Age 65 to 74 | 9.5% | 7.7% | 9.6% |
| Age 75 to 84 | 3.7% | 3.6% | 4.5% |
| Age 85 and over | 0.8% | 0.7% | 1.9% |
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| Race | | | |
| | Everson, WA | Arlee, MT | United States |
| White | 68.2% | 39.4% | 59.4% |
| Black | 0.2% | 0.0% | 12.2% |
| Asian | 0.7% | 0.0% | 5.6% |
| Native American | 0.2% | 55.3% | 0.6% |
| Hawaiian, Pacific Islander | 0.2% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 1.9% | 1.9% | 3.2% |
| Hispanic | 28.6% | 3.3% | 18.4% |
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| Marriage & Family | | | |
| | Everson, WA | Arlee, MT | United States |
| Married Population | 60.1% | 44.9% | 49.8% |
| Currently Married | 59.3% | 42.1% | 48.0% |
| Married but Separated | 0.8% | 2.8% | 1.8% |
| Single Population | 39.9% | 55.1% | 50.2% |
| Never Married | 27.3% | 27.1% | 33.8% |
| Divorced | 10.1% | 14.6% | 10.8% |
| Widowed | 2.4% | 13.4% | 5.6% |
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| Household Size | 2.79 | 2.74 | 2.60 |
| Households | 1,026 | 265 | 124,010,992 |
| Family Households | 782 | 186 | 80,755,759 |
| Married couple, w/children | 37.6% | 40.9% | 30.5% |
| Married couple, no children | 40.0% | 24.7% | 42.9% |
| Non Family Households | 244 | 79 | 43,255,233 |
| Single householder, w/children | 19.7% | 18.3% | 15.8% |
| Single householder, no children | 2.7% | 16.1% | 10.8% |