| | Absecon, NJ | Secaucus, NJ | United States |
| Population | 9,039 | 21,439 | 329,725,481 |
| Female Population | 50.8% | 51.1% | 50.5% |
| Male Population | 49.2% | 48.9% | 49.5% |
| Median Age | 41.3 | 39.7 | 38.4 |
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| Population - 2010 | 8,500 | 16,693 | 309,327,143 |
| Population - 2000 | 7,638 | 15,931 | 285,036,114 |
| Population - 1990 | 7,298 | 14,061 | 251,960,433 |
| Pop. 2000 to Now | 15.1% | 35.6% | 15.6% |
| Pop. 1990 to Now | 20.4% | 53.6% | 30.8% |
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| Population Density | 1,653.1 | 3,679.9 | 93.4 |
| Land Area | 5.5 | 5.8 | 3,531,905.4 |
| Water Area | 1.7 | 0.7 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Absecon, NJ | Secaucus, NJ | United States |
| Age 0 to 4 | 6.9% | 4.9% | 5.9% |
| Age 5 to 9 | 9.7% | 7.1% | 6.1% |
| Age 10 to 14 | 4.4% | 3.9% | 6.6% |
| Age 15 to 17 | 2.2% | 3.9% | 3.9% |
| Age 18 to 20 | 3.9% | 1.6% | 4.0% |
| Age 21 to 24 | 2.8% | 3.8% | 5.2% |
| Age 25 to 34 | 11.0% | 17.8% | 13.8% |
| Age 35 to 44 | 12.8% | 14.7% | 12.9% |
| Age 45 to 54 | 8.6% | 14.3% | 12.6% |
| Age 55 to 59 | 10.7% | 6.1% | 6.7% |
| Age 60 to 64 | 7.1% | 7.6% | 6.3% |
| Age 65 to 74 | 11.7% | 8.1% | 9.6% |
| Age 75 to 84 | 6.1% | 4.2% | 4.5% |
| Age 85 and over | 2.1% | 1.9% | 1.9% |
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| Race | | | |
| | Absecon, NJ | Secaucus, NJ | United States |
| White | 64.1% | 41.1% | 59.4% |
| Black | 9.5% | 4.0% | 12.2% |
| Asian | 3.4% | 33.4% | 5.6% |
| Native American | 0.0% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.2% | 0.0% | 0.2% |
| Other | 0.0% | 0.3% | 0.4% |
| Two or More Races | 2.7% | 2.6% | 3.2% |
| Hispanic | 20.1% | 18.2% | 18.4% |
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| Marriage & Family | | | |
| | Absecon, NJ | Secaucus, NJ | United States |
| Married Population | 53.7% | 56.3% | 49.8% |
| Currently Married | 52.2% | 55.4% | 48.0% |
| Married but Separated | 1.5% | 0.9% | 1.8% |
| Single Population | 46.3% | 43.7% | 50.2% |
| Never Married | 31.3% | 30.1% | 33.8% |
| Divorced | 11.0% | 7.5% | 10.8% |
| Widowed | 3.9% | 6.1% | 5.6% |
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| Household Size | 2.55 | 2.57 | 2.60 |
| Households | 3,487 | 8,000 | 124,010,992 |
| Family Households | 2,400 | 5,695 | 80,755,759 |
| Married couple, w/children | 24.5% | 32.7% | 30.5% |
| Married couple, no children | 50.0% | 45.7% | 42.9% |
| Non Family Households | 1,087 | 2,305 | 43,255,233 |
| Single householder, w/children | 12.3% | 7.8% | 15.8% |
| Single householder, no children | 13.1% | 13.8% | 10.8% |