| | Tukwila, WA | Compton, CA | United States |
| Population | 21,545 | 96,083 | 329,725,481 |
| Female Population | 45.9% | 51.6% | 50.5% |
| Male Population | 54.1% | 48.5% | 49.5% |
| Median Age | 36.1 | 33.1 | 38.4 |
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| Population - 2010 | 19,161 | 96,428 | 309,327,143 |
| Population - 2000 | 17,181 | 93,493 | 285,036,114 |
| Population - 1990 | 11,874 | 90,454 | 251,960,433 |
| Pop. 2000 to Now | 17.9% | 0.5% | 15.6% |
| Pop. 1990 to Now | 70.6% | 3.9% | 30.8% |
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| Population Density | 2,348.7 | 9,581.5 | 93.4 |
| Land Area | 9.2 | 10.0 | 3,531,905.4 |
| Water Area | 0.4 | 0.1 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Tukwila, WA | Compton, CA | United States |
| Age 0 to 4 | 5.5% | 7.3% | 5.9% |
| Age 5 to 9 | 5.1% | 7.6% | 6.1% |
| Age 10 to 14 | 6.7% | 8.7% | 6.6% |
| Age 15 to 17 | 2.3% | 4.6% | 3.9% |
| Age 18 to 20 | 3.2% | 4.6% | 4.0% |
| Age 21 to 24 | 5.4% | 5.5% | 5.2% |
| Age 25 to 34 | 19.6% | 14.0% | 13.8% |
| Age 35 to 44 | 17.0% | 13.9% | 12.9% |
| Age 45 to 54 | 12.0% | 12.9% | 12.6% |
| Age 55 to 59 | 6.9% | 6.2% | 6.7% |
| Age 60 to 64 | 5.2% | 5.2% | 6.3% |
| Age 65 to 74 | 5.9% | 5.5% | 9.6% |
| Age 75 to 84 | 3.8% | 3.0% | 4.5% |
| Age 85 and over | 1.6% | 1.2% | 1.9% |
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| Race | | | |
| | Tukwila, WA | Compton, CA | United States |
| White | 29.8% | 1.0% | 59.4% |
| Black | 18.9% | 26.7% | 12.2% |
| Asian | 24.0% | 0.9% | 5.6% |
| Native American | 0.8% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 3.5% | 0.1% | 0.2% |
| Other | 0.5% | 1.0% | 0.4% |
| Two or More Races | 4.6% | 0.9% | 3.2% |
| Hispanic | 18.0% | 69.3% | 18.4% |
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| Marriage & Family | | | |
| | Tukwila, WA | Compton, CA | United States |
| Married Population | 45.6% | 41.6% | 49.8% |
| Currently Married | 41.7% | 38.7% | 48.0% |
| Married but Separated | 3.9% | 2.9% | 1.8% |
| Single Population | 54.4% | 58.4% | 50.2% |
| Never Married | 39.5% | 46.6% | 33.8% |
| Divorced | 10.4% | 7.0% | 10.8% |
| Widowed | 4.6% | 4.8% | 5.6% |
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| Household Size | 2.76 | 3.83 | 2.60 |
| Households | 7,755 | 24,921 | 124,010,992 |
| Family Households | 4,591 | 20,084 | 80,755,759 |
| Married couple, w/children | 28.4% | 32.8% | 30.5% |
| Married couple, no children | 39.1% | 22.0% | 42.9% |
| Non Family Households | 3,164 | 4,837 | 43,255,233 |
| Single householder, w/children | 19.2% | 24.8% | 15.8% |
| Single householder, no children | 13.2% | 20.3% | 10.8% |