| | Audubon, NJ | Aberdeen, MD | United States |
| Population | 8,693 | 16,176 | 329,725,481 |
| Female Population | 52.4% | 53.5% | 50.5% |
| Male Population | 47.6% | 46.5% | 49.5% |
| Median Age | 38.1 | 37.9 | 38.4 |
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| Population - 2010 | 8,812 | 14,975 | 309,327,143 |
| Population - 2000 | 9,182 | 13,842 | 285,036,114 |
| Population - 1990 | 9,205 | 13,087 | 251,960,433 |
| Pop. 2000 to Now | -6.2% | 15.3% | 15.6% |
| Pop. 1990 to Now | -6.4% | 22.0% | 30.8% |
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| Population Density | 5,865.7 | 2,496.7 | 93.4 |
| Land Area | 1.5 | 6.5 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Audubon, NJ | Aberdeen, MD | United States |
| Age 0 to 4 | 7.2% | 6.3% | 5.9% |
| Age 5 to 9 | 7.9% | 7.3% | 6.1% |
| Age 10 to 14 | 6.8% | 5.5% | 6.6% |
| Age 15 to 17 | 2.9% | 3.6% | 3.9% |
| Age 18 to 20 | 3.3% | 3.8% | 4.0% |
| Age 21 to 24 | 3.2% | 4.8% | 5.2% |
| Age 25 to 34 | 12.9% | 15.9% | 13.8% |
| Age 35 to 44 | 16.5% | 10.5% | 12.9% |
| Age 45 to 54 | 12.3% | 12.2% | 12.6% |
| Age 55 to 59 | 7.8% | 6.8% | 6.7% |
| Age 60 to 64 | 5.6% | 7.3% | 6.3% |
| Age 65 to 74 | 8.1% | 11.2% | 9.6% |
| Age 75 to 84 | 4.7% | 3.4% | 4.5% |
| Age 85 and over | 0.7% | 1.5% | 1.9% |
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| Race | | | |
| | Audubon, NJ | Aberdeen, MD | United States |
| White | 92.6% | 55.0% | 59.4% |
| Black | 3.0% | 23.8% | 12.2% |
| Asian | 0.1% | 3.3% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 2.6% | 0.4% |
| Two or More Races | 1.8% | 5.7% | 3.2% |
| Hispanic | 2.4% | 9.7% | 18.4% |
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| Marriage & Family | | | |
| | Audubon, NJ | Aberdeen, MD | United States |
| Married Population | 48.3% | 48.4% | 49.8% |
| Currently Married | 46.0% | 45.8% | 48.0% |
| Married but Separated | 2.3% | 2.6% | 1.8% |
| Single Population | 51.7% | 51.6% | 50.2% |
| Never Married | 32.7% | 34.8% | 33.8% |
| Divorced | 14.3% | 10.5% | 10.8% |
| Widowed | 4.7% | 6.3% | 5.6% |
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| Household Size | 2.64 | 2.41 | 2.60 |
| Households | 3,282 | 6,709 | 124,010,992 |
| Family Households | 2,057 | 4,201 | 80,755,759 |
| Married couple, w/children | 32.1% | 23.9% | 30.5% |
| Married couple, no children | 40.1% | 42.7% | 42.9% |
| Non Family Households | 1,225 | 2,508 | 43,255,233 |
| Single householder, w/children | 16.1% | 23.8% | 15.8% |
| Single householder, no children | 11.7% | 9.6% | 10.8% |