| | Normandy Park, WA | Burien, WA | United States |
| Population | 6,716 | 51,646 | 329,725,481 |
| Female Population | 47.5% | 48.7% | 50.5% |
| Male Population | 52.6% | 51.3% | 49.5% |
| Median Age | 47.2 | 39.6 | 38.4 |
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| Population - 2010 | 6,357 | 48,224 | 309,327,143 |
| Population - 2000 | 6,392 | 31,881 | 285,036,114 |
| Population - 1990 | 6,709 | 25,089 | 251,960,433 |
| Pop. 2000 to Now | 2.7% | 60.8% | 15.6% |
| Pop. 1990 to Now | -2.1% | 104.3% | 30.8% |
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| Population Density | 2,688.6 | 5,133.8 | 93.4 |
| Land Area | 2.5 | 10.1 | 3,531,905.4 |
| Water Area | 0.0 | 0.1 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Normandy Park, WA | Burien, WA | United States |
| Age 0 to 4 | 7.5% | 5.6% | 5.9% |
| Age 5 to 9 | 4.2% | 5.8% | 6.1% |
| Age 10 to 14 | 5.5% | 5.7% | 6.6% |
| Age 15 to 17 | 3.8% | 4.0% | 3.9% |
| Age 18 to 20 | 2.8% | 2.7% | 4.0% |
| Age 21 to 24 | 1.8% | 4.8% | 5.2% |
| Age 25 to 34 | 10.0% | 13.3% | 13.8% |
| Age 35 to 44 | 11.9% | 16.0% | 12.9% |
| Age 45 to 54 | 12.8% | 14.1% | 12.6% |
| Age 55 to 59 | 8.3% | 6.7% | 6.7% |
| Age 60 to 64 | 8.8% | 6.6% | 6.3% |
| Age 65 to 74 | 13.1% | 9.1% | 9.6% |
| Age 75 to 84 | 4.6% | 3.9% | 4.5% |
| Age 85 and over | 5.1% | 1.7% | 1.9% |
| space1 | | | |
| Race | | | |
| | Normandy Park, WA | Burien, WA | United States |
| White | 80.2% | 47.9% | 59.4% |
| Black | 0.7% | 8.8% | 12.2% |
| Asian | 5.9% | 14.5% | 5.6% |
| Native American | 0.0% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.6% | 0.2% |
| Other | 0.0% | 0.2% | 0.4% |
| Two or More Races | 7.4% | 5.1% | 3.2% |
| Hispanic | 5.8% | 22.6% | 18.4% |
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| Marriage & Family | | | |
| | Normandy Park, WA | Burien, WA | United States |
| Married Population | 63.6% | 48.0% | 49.8% |
| Currently Married | 63.2% | 45.0% | 48.0% |
| Married but Separated | 0.4% | 3.0% | 1.8% |
| Single Population | 36.4% | 52.0% | 50.2% |
| Never Married | 21.2% | 34.8% | 33.8% |
| Divorced | 11.5% | 12.4% | 10.8% |
| Widowed | 3.6% | 4.9% | 5.6% |
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| Household Size | 2.48 | 2.64 | 2.60 |
| Households | 2,705 | 19,364 | 124,010,992 |
| Family Households | 2,014 | 12,056 | 80,755,759 |
| Married couple, w/children | 31.5% | 29.3% | 30.5% |
| Married couple, no children | 52.4% | 38.2% | 42.9% |
| Non Family Households | 691 | 7,308 | 43,255,233 |
| Single householder, w/children | 8.7% | 19.9% | 15.8% |
| Single householder, no children | 7.3% | 12.6% | 10.8% |