| | Bainbridge Island, WA | Eagle, ID | United States |
| Population | 24,557 | 29,665 | 329,725,481 |
| Female Population | 52.2% | 51.0% | 50.5% |
| Male Population | 47.8% | 49.0% | 49.5% |
| Median Age | 49.2 | 45.5 | 38.4 |
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| Population - 2010 | 23,062 | 20,012 | 309,327,143 |
| Population - 2000 | 20,308 | 11,085 | 285,036,114 |
| Population - 1990 | 15,847 | 3,327 | 251,960,433 |
| Pop. 2000 to Now | 24.9% | 186.0% | 15.6% |
| Pop. 1990 to Now | 60.0% | 852.8% | 30.8% |
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| Population Density | 889.3 | 974.5 | 93.4 |
| Land Area | 27.6 | 30.4 | 3,531,905.4 |
| Water Area | 37.5 | 0.5 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Bainbridge Island, WA | Eagle, ID | United States |
| Age 0 to 4 | 4.3% | 5.3% | 5.9% |
| Age 5 to 9 | 5.8% | 5.6% | 6.1% |
| Age 10 to 14 | 6.9% | 8.5% | 6.6% |
| Age 15 to 17 | 4.7% | 5.3% | 3.9% |
| Age 18 to 20 | 2.1% | 2.8% | 4.0% |
| Age 21 to 24 | 1.9% | 1.9% | 5.2% |
| Age 25 to 34 | 5.9% | 7.7% | 13.8% |
| Age 35 to 44 | 12.3% | 12.2% | 12.9% |
| Age 45 to 54 | 14.0% | 13.3% | 12.6% |
| Age 55 to 59 | 7.5% | 8.4% | 6.7% |
| Age 60 to 64 | 8.4% | 7.0% | 6.3% |
| Age 65 to 74 | 18.0% | 14.2% | 9.6% |
| Age 75 to 84 | 6.8% | 6.3% | 4.5% |
| Age 85 and over | 1.5% | 1.5% | 1.9% |
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| Race | | | |
| | Bainbridge Island, WA | Eagle, ID | United States |
| White | 88.6% | 85.6% | 59.4% |
| Black | 0.1% | 0.6% | 12.2% |
| Asian | 2.8% | 1.7% | 5.6% |
| Native American | 0.2% | 0.4% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.4% | 0.2% |
| Other | 0.9% | 0.2% | 0.4% |
| Two or More Races | 4.7% | 3.0% | 3.2% |
| Hispanic | 2.7% | 8.1% | 18.4% |
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| Marriage & Family | | | |
| | Bainbridge Island, WA | Eagle, ID | United States |
| Married Population | 65.6% | 67.2% | 49.8% |
| Currently Married | 64.6% | 67.0% | 48.0% |
| Married but Separated | 1.0% | 0.1% | 1.8% |
| Single Population | 34.4% | 32.8% | 50.2% |
| Never Married | 20.5% | 20.3% | 33.8% |
| Divorced | 10.1% | 7.7% | 10.8% |
| Widowed | 3.8% | 4.9% | 5.6% |
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| Household Size | 2.48 | 2.64 | 2.60 |
| Households | 9,824 | 11,221 | 124,010,992 |
| Family Households | 7,279 | 8,869 | 80,755,759 |
| Married couple, w/children | 30.3% | 32.3% | 30.5% |
| Married couple, no children | 55.9% | 54.8% | 42.9% |
| Non Family Households | 2,545 | 2,352 | 43,255,233 |
| Single householder, w/children | 9.0% | 9.4% | 15.8% |
| Single householder, no children | 4.8% | 3.6% | 10.8% |