| | Edison, NJ | Federal Way, WA | United States |
| Population | 106,909 | 99,792 | 329,725,481 |
| Female Population | 49.7% | 49.2% | 50.5% |
| Male Population | 50.3% | 50.8% | 49.5% |
| Median Age | 39.2 | 37 | 38.4 |
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| Population - 2010 | 100,292 | 89,524 | 309,327,143 |
| Population - 2000 | 97,687 | 83,259 | 285,036,114 |
| Population - 1990 | 88,680 | 67,554 | 251,960,433 |
| Pop. 2000 to Now | 1.1% | 15.7% | 15.6% |
| Pop. 1990 to Now | 11.3% | 42.6% | 30.8% |
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| Population Density | 3,567.1 | 4,490.7 | 93.4 |
| Land Area | 30.0 | 22.2 | 3,531,905.4 |
| Water Area | 0.7 | 0.2 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Edison, NJ | Federal Way, WA | United States |
| Age 0 to 4 | 6.5% | 6.9% | 5.9% |
| Age 5 to 9 | 7.7% | 5.6% | 6.1% |
| Age 10 to 14 | 6.9% | 7.3% | 6.6% |
| Age 15 to 17 | 3.6% | 3.9% | 3.9% |
| Age 18 to 20 | 2.7% | 4.2% | 4.0% |
| Age 21 to 24 | 2.7% | 5.2% | 5.2% |
| Age 25 to 34 | 13.1% | 14.0% | 13.8% |
| Age 35 to 44 | 16.0% | 13.4% | 12.9% |
| Age 45 to 54 | 13.6% | 12.5% | 12.6% |
| Age 55 to 59 | 6.6% | 6.7% | 6.7% |
| Age 60 to 64 | 6.1% | 6.8% | 6.3% |
| Age 65 to 74 | 8.5% | 8.5% | 9.6% |
| Age 75 to 84 | 3.9% | 3.6% | 4.5% |
| Age 85 and over | 2.1% | 1.5% | 1.9% |
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| Race | | | |
| | Edison, NJ | Federal Way, WA | United States |
| White | 27.5% | 39.9% | 59.4% |
| Black | 7.8% | 16.6% | 12.2% |
| Asian | 49.8% | 14.2% | 5.6% |
| Native American | 0.1% | 0.6% | 0.6% |
| Hawaiian, Pacific Islander | 0.1% | 2.2% | 0.2% |
| Other | 0.8% | 0.4% | 0.4% |
| Two or More Races | 3.0% | 9.2% | 3.2% |
| Hispanic | 10.8% | 16.9% | 18.4% |
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| Marriage & Family | | | |
| | Edison, NJ | Federal Way, WA | United States |
| Married Population | 62.2% | 49.4% | 49.8% |
| Currently Married | 61.4% | 47.5% | 48.0% |
| Married but Separated | 0.8% | 1.9% | 1.8% |
| Single Population | 37.8% | 50.6% | 50.2% |
| Never Married | 26.3% | 35.8% | 33.8% |
| Divorced | 6.1% | 10.7% | 10.8% |
| Widowed | 5.3% | 4.1% | 5.6% |
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| Household Size | 2.90 | 2.75 | 2.60 |
| Households | 36,373 | 36,053 | 124,010,992 |
| Family Households | 28,182 | 24,249 | 80,755,759 |
| Married couple, w/children | 45.4% | 31.1% | 30.5% |
| Married couple, no children | 37.5% | 38.8% | 42.9% |
| Non Family Households | 8,191 | 11,804 | 43,255,233 |
| Single householder, w/children | 8.3% | 18.1% | 15.8% |
| Single householder, no children | 8.9% | 12.0% | 10.8% |