| | Butte Falls, OR | Arlington, OR | United States |
| Population | 475 | 538 | 329,725,481 |
| Female Population | 46.5% | 51.5% | 50.5% |
| Male Population | 53.5% | 48.5% | 49.5% |
| Median Age | 37.7 | 40.6 | 38.4 |
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| Population - 2010 | 423 | 591 | 309,327,143 |
| Population - 2000 | 439 | 524 | 285,036,114 |
| Population - 1990 | 252 | 425 | 251,960,433 |
| Pop. 2000 to Now | 4.1% | 19.5% | 15.6% |
| Pop. 1990 to Now | 81.4% | 47.3% | 30.8% |
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| Population Density | 1,109.8 | 210.8 | 93.4 |
| Land Area | 0.4 | 2.6 | 3,531,905.4 |
| Water Area | 0.0 | 0.6 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Butte Falls, OR | Arlington, OR | United States |
| Age 0 to 4 | 4.4% | 2.2% | 5.9% |
| Age 5 to 9 | 8.0% | 8.7% | 6.1% |
| Age 10 to 14 | 5.1% | 7.1% | 6.6% |
| Age 15 to 17 | 7.4% | 4.8% | 3.9% |
| Age 18 to 20 | 3.8% | 0.0% | 4.0% |
| Age 21 to 24 | 2.1% | 11.9% | 5.2% |
| Age 25 to 34 | 10.1% | 11.5% | 13.8% |
| Age 35 to 44 | 22.7% | 11.3% | 12.9% |
| Age 45 to 54 | 8.6% | 11.5% | 12.6% |
| Age 55 to 59 | 3.8% | 2.8% | 6.7% |
| Age 60 to 64 | 7.6% | 11.7% | 6.3% |
| Age 65 to 74 | 9.7% | 5.2% | 9.6% |
| Age 75 to 84 | 4.4% | 3.2% | 4.5% |
| Age 85 and over | 2.3% | 8.0% | 1.9% |
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| Race | | | |
| | Butte Falls, OR | Arlington, OR | United States |
| White | 81.1% | 88.7% | 59.4% |
| Black | 0.0% | 0.0% | 12.2% |
| Asian | 0.0% | 0.9% | 5.6% |
| Native American | 0.0% | 0.6% | 0.6% |
| Hawaiian, Pacific Islander | 3.4% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 10.3% | 2.4% | 3.2% |
| Hispanic | 5.3% | 7.4% | 18.4% |
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| Marriage & Family | | | |
| | Butte Falls, OR | Arlington, OR | United States |
| Married Population | 47.4% | 34.0% | 49.8% |
| Currently Married | 43.4% | 34.0% | 48.0% |
| Married but Separated | 4.1% | 0.0% | 1.8% |
| Single Population | 52.6% | 66.0% | 50.2% |
| Never Married | 29.3% | 34.5% | 33.8% |
| Divorced | 14.5% | 19.0% | 10.8% |
| Widowed | 8.7% | 12.5% | 5.6% |
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| Household Size | 2.82 | 2.38 | 2.60 |
| Households | 167 | 226 | 124,010,992 |
| Family Households | 113 | 130 | 80,755,759 |
| Married couple, w/children | 23.9% | 17.7% | 30.5% |
| Married couple, no children | 46.9% | 36.9% | 42.9% |
| Non Family Households | 54 | 96 | 43,255,233 |
| Single householder, w/children | 14.2% | 20.0% | 15.8% |
| Single householder, no children | 15.0% | 25.4% | 10.8% |