| | Alderwood Manor, WA | Shoreline, WA | United States |
| Population | 10,359 | 58,213 | 329,725,481 |
| Female Population | 50.2% | 51.0% | 50.5% |
| Male Population | 49.8% | 49.0% | 49.5% |
| Median Age | 36.7 | 41.7 | 38.4 |
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| Population - 2010 | 7,898 | 53,182 | 309,327,143 |
| Population - 2000 | 15,329 | 53,025 | 285,036,114 |
| Population - 1990 | 7,065 | 51,098 | 251,960,433 |
| Pop. 2000 to Now | -38.0% | 9.8% | 15.6% |
| Pop. 1990 to Now | 34.6% | 13.9% | 30.8% |
| space4 | | | |
| Population Density | 5,208.1 | 5,003.7 | 93.4 |
| Land Area | 2.0 | 11.6 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Alderwood Manor, WA | Shoreline, WA | United States |
| Age 0 to 4 | 6.5% | 5.6% | 5.9% |
| Age 5 to 9 | 4.6% | 5.4% | 6.1% |
| Age 10 to 14 | 6.0% | 4.8% | 6.6% |
| Age 15 to 17 | 3.3% | 3.1% | 3.9% |
| Age 18 to 20 | 3.4% | 1.9% | 4.0% |
| Age 21 to 24 | 7.9% | 3.9% | 5.2% |
| Age 25 to 34 | 14.0% | 14.2% | 13.8% |
| Age 35 to 44 | 11.9% | 14.9% | 12.9% |
| Age 45 to 54 | 20.2% | 13.2% | 12.6% |
| Age 55 to 59 | 5.4% | 6.5% | 6.7% |
| Age 60 to 64 | 6.8% | 7.0% | 6.3% |
| Age 65 to 74 | 5.3% | 11.6% | 9.6% |
| Age 75 to 84 | 3.2% | 5.2% | 4.5% |
| Age 85 and over | 1.4% | 2.7% | 1.9% |
| space1 | | | |
| Race | | | |
| | Alderwood Manor, WA | Shoreline, WA | United States |
| White | 59.5% | 63.4% | 59.4% |
| Black | 5.5% | 6.4% | 12.2% |
| Asian | 18.7% | 15.6% | 5.6% |
| Native American | 0.1% | 0.4% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.5% | 0.2% |
| Other | 0.2% | 0.5% | 0.4% |
| Two or More Races | 3.9% | 6.0% | 3.2% |
| Hispanic | 12.0% | 7.2% | 18.4% |
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| Marriage & Family | | | |
| | Alderwood Manor, WA | Shoreline, WA | United States |
| Married Population | 49.8% | 54.8% | 49.8% |
| Currently Married | 49.3% | 53.3% | 48.0% |
| Married but Separated | 0.5% | 1.5% | 1.8% |
| Single Population | 50.2% | 45.2% | 50.2% |
| Never Married | 37.5% | 28.8% | 33.8% |
| Divorced | 8.8% | 10.9% | 10.8% |
| Widowed | 3.8% | 5.5% | 5.6% |
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| Household Size | 3.08 | 2.52 | 2.60 |
| Households | 3,345 | 22,510 | 124,010,992 |
| Family Households | 2,500 | 14,872 | 80,755,759 |
| Married couple, w/children | 32.5% | 33.0% | 30.5% |
| Married couple, no children | 40.0% | 46.5% | 42.9% |
| Non Family Households | 845 | 7,638 | 43,255,233 |
| Single householder, w/children | 7.4% | 10.0% | 15.8% |
| Single householder, no children | 20.1% | 10.5% | 10.8% |