| | Anacortes, WA | Eureka Springs, AR | United States |
| Population | 17,437 | 2,159 | 329,725,481 |
| Female Population | 51.2% | 53.2% | 50.5% |
| Male Population | 48.8% | 46.8% | 49.5% |
| Median Age | 48.6 | 52.2 | 38.4 |
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| Population - 2010 | 15,763 | 2,070 | 309,327,143 |
| Population - 2000 | 14,557 | 2,278 | 285,036,114 |
| Population - 1990 | 11,451 | 1,900 | 251,960,433 |
| Pop. 2000 to Now | 21.7% | -8.5% | 15.6% |
| Pop. 1990 to Now | 54.7% | 9.7% | 30.8% |
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| Population Density | 1,489.3 | 319.5 | 93.4 |
| Land Area | 11.7 | 6.8 | 3,531,905.4 |
| Water Area | 3.9 | 0.1 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Anacortes, WA | Eureka Springs, AR | United States |
| Age 0 to 4 | 4.7% | 3.7% | 5.9% |
| Age 5 to 9 | 5.5% | 5.2% | 6.1% |
| Age 10 to 14 | 4.3% | 5.2% | 6.6% |
| Age 15 to 17 | 3.6% | 3.9% | 3.9% |
| Age 18 to 20 | 2.8% | 3.4% | 4.0% |
| Age 21 to 24 | 3.3% | 1.3% | 5.2% |
| Age 25 to 34 | 10.7% | 9.7% | 13.8% |
| Age 35 to 44 | 11.0% | 7.5% | 12.9% |
| Age 45 to 54 | 11.5% | 15.2% | 12.6% |
| Age 55 to 59 | 7.3% | 8.0% | 6.7% |
| Age 60 to 64 | 6.8% | 13.0% | 6.3% |
| Age 65 to 74 | 16.4% | 15.7% | 9.6% |
| Age 75 to 84 | 8.4% | 4.8% | 4.5% |
| Age 85 and over | 3.7% | 3.4% | 1.9% |
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| Race | | | |
| | Anacortes, WA | Eureka Springs, AR | United States |
| White | 85.9% | 84.3% | 59.4% |
| Black | 1.0% | 0.0% | 12.2% |
| Asian | 2.4% | 1.0% | 5.6% |
| Native American | 0.6% | 3.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.4% | 0.0% | 0.2% |
| Other | 0.1% | 0.1% | 0.4% |
| Two or More Races | 3.8% | 5.2% | 3.2% |
| Hispanic | 5.9% | 6.4% | 18.4% |
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| Marriage & Family | | | |
| | Anacortes, WA | Eureka Springs, AR | United States |
| Married Population | 58.0% | 44.7% | 49.8% |
| Currently Married | 56.9% | 42.6% | 48.0% |
| Married but Separated | 1.1% | 2.2% | 1.8% |
| Single Population | 42.0% | 55.3% | 50.2% |
| Never Married | 22.7% | 26.5% | 33.8% |
| Divorced | 12.3% | 21.0% | 10.8% |
| Widowed | 6.9% | 7.7% | 5.6% |
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| Household Size | 2.24 | 2.21 | 2.60 |
| Households | 7,734 | 954 | 124,010,992 |
| Family Households | 4,879 | 492 | 80,755,759 |
| Married couple, w/children | 26.1% | 11.6% | 30.5% |
| Married couple, no children | 56.3% | 64.6% | 42.9% |
| Non Family Households | 2,855 | 462 | 43,255,233 |
| Single householder, w/children | 11.3% | 9.8% | 15.8% |
| Single householder, no children | 6.4% | 14.0% | 10.8% |