| | Des Moines, WA | Bonney Lake, WA | United States |
| Population | 32,631 | 22,229 | 329,725,481 |
| Female Population | 51.4% | 49.5% | 50.5% |
| Male Population | 48.6% | 50.5% | 49.5% |
| Median Age | 38.6 | 36.7 | 38.4 |
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| Population - 2010 | 29,775 | 17,619 | 309,327,143 |
| Population - 2000 | 29,267 | 9,687 | 285,036,114 |
| Population - 1990 | 17,283 | 7,494 | 251,960,433 |
| Pop. 2000 to Now | 10.7% | 133.0% | 15.6% |
| Pop. 1990 to Now | 87.4% | 201.2% | 30.8% |
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| Population Density | 5,074.8 | 2,741.6 | 93.4 |
| Land Area | 6.4 | 8.1 | 3,531,905.4 |
| Water Area | 0.0 | 0.1 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Des Moines, WA | Bonney Lake, WA | United States |
| Age 0 to 4 | 6.7% | 6.4% | 5.9% |
| Age 5 to 9 | 6.5% | 7.6% | 6.1% |
| Age 10 to 14 | 4.7% | 6.8% | 6.6% |
| Age 15 to 17 | 3.7% | 5.4% | 3.9% |
| Age 18 to 20 | 3.5% | 4.2% | 4.0% |
| Age 21 to 24 | 4.6% | 3.7% | 5.2% |
| Age 25 to 34 | 14.3% | 13.8% | 13.8% |
| Age 35 to 44 | 14.6% | 14.4% | 12.9% |
| Age 45 to 54 | 11.7% | 13.6% | 12.6% |
| Age 55 to 59 | 5.9% | 7.0% | 6.7% |
| Age 60 to 64 | 6.2% | 6.2% | 6.3% |
| Age 65 to 74 | 9.0% | 7.6% | 9.6% |
| Age 75 to 84 | 4.9% | 3.0% | 4.5% |
| Age 85 and over | 3.6% | 0.4% | 1.9% |
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| Race | | | |
| | Des Moines, WA | Bonney Lake, WA | United States |
| White | 49.1% | 78.0% | 59.4% |
| Black | 10.7% | 1.0% | 12.2% |
| Asian | 12.3% | 3.1% | 5.6% |
| Native American | 0.2% | 1.0% | 0.6% |
| Hawaiian, Pacific Islander | 3.5% | 0.1% | 0.2% |
| Other | 0.4% | 0.2% | 0.4% |
| Two or More Races | 7.0% | 5.8% | 3.2% |
| Hispanic | 16.7% | 10.8% | 18.4% |
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| Marriage & Family | | | |
| | Des Moines, WA | Bonney Lake, WA | United States |
| Married Population | 45.5% | 60.3% | 49.8% |
| Currently Married | 43.3% | 58.9% | 48.0% |
| Married but Separated | 2.2% | 1.4% | 1.8% |
| Single Population | 54.5% | 39.7% | 50.2% |
| Never Married | 34.5% | 27.3% | 33.8% |
| Divorced | 14.0% | 8.7% | 10.8% |
| Widowed | 6.1% | 3.7% | 5.6% |
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| Household Size | 2.62 | 2.80 | 2.60 |
| Households | 12,268 | 7,920 | 124,010,992 |
| Family Households | 7,804 | 5,971 | 80,755,759 |
| Married couple, w/children | 30.2% | 42.8% | 30.5% |
| Married couple, no children | 37.2% | 39.0% | 42.9% |
| Non Family Households | 4,464 | 1,949 | 43,255,233 |
| Single householder, w/children | 17.9% | 14.7% | 15.8% |
| Single householder, no children | 14.7% | 3.5% | 10.8% |