| | Audubon, NJ | Stamford, CT | United States |
| Population | 8,693 | 134,820 | 329,725,481 |
| Female Population | 52.4% | 51.0% | 50.5% |
| Male Population | 47.6% | 49.0% | 49.5% |
| Median Age | 38.1 | 38 | 38.4 |
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| Population - 2010 | 8,812 | 122,783 | 309,327,143 |
| Population - 2000 | 9,182 | 117,083 | 285,036,114 |
| Population - 1990 | 9,205 | 108,056 | 251,960,433 |
| Pop. 2000 to Now | -6.2% | 12.2% | 15.6% |
| Pop. 1990 to Now | -6.4% | 21.6% | 30.8% |
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| Population Density | 5,865.7 | 3,583.9 | 93.4 |
| Land Area | 1.5 | 37.6 | 3,531,905.4 |
| Water Area | 0.0 | 14.4 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Audubon, NJ | Stamford, CT | United States |
| Age 0 to 4 | 7.2% | 5.7% | 5.9% |
| Age 5 to 9 | 7.9% | 5.3% | 6.1% |
| Age 10 to 14 | 6.8% | 5.4% | 6.6% |
| Age 15 to 17 | 2.9% | 3.2% | 3.9% |
| Age 18 to 20 | 3.3% | 2.8% | 4.0% |
| Age 21 to 24 | 3.2% | 5.9% | 5.2% |
| Age 25 to 34 | 12.9% | 17.3% | 13.8% |
| Age 35 to 44 | 16.5% | 14.1% | 12.9% |
| Age 45 to 54 | 12.3% | 12.3% | 12.6% |
| Age 55 to 59 | 7.8% | 6.6% | 6.7% |
| Age 60 to 64 | 5.6% | 6.0% | 6.3% |
| Age 65 to 74 | 8.1% | 8.9% | 9.6% |
| Age 75 to 84 | 4.7% | 4.1% | 4.5% |
| Age 85 and over | 0.7% | 2.3% | 1.9% |
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| Race | | | |
| | Audubon, NJ | Stamford, CT | United States |
| White | 92.6% | 48.5% | 59.4% |
| Black | 3.0% | 12.4% | 12.2% |
| Asian | 0.1% | 8.5% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.3% | 0.4% |
| Two or More Races | 1.8% | 2.3% | 3.2% |
| Hispanic | 2.4% | 27.8% | 18.4% |
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| Marriage & Family | | | |
| | Audubon, NJ | Stamford, CT | United States |
| Married Population | 48.3% | 49.1% | 49.8% |
| Currently Married | 46.0% | 47.5% | 48.0% |
| Married but Separated | 2.3% | 1.6% | 1.8% |
| Single Population | 51.7% | 50.9% | 50.2% |
| Never Married | 32.7% | 37.6% | 33.8% |
| Divorced | 14.3% | 8.7% | 10.8% |
| Widowed | 4.7% | 4.7% | 5.6% |
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| Household Size | 2.64 | 2.54 | 2.60 |
| Households | 3,282 | 52,577 | 124,010,992 |
| Family Households | 2,057 | 32,668 | 80,755,759 |
| Married couple, w/children | 32.1% | 30.7% | 30.5% |
| Married couple, no children | 40.1% | 43.3% | 42.9% |
| Non Family Households | 1,225 | 19,909 | 43,255,233 |
| Single householder, w/children | 16.1% | 14.5% | 15.8% |
| Single householder, no children | 11.7% | 11.4% | 10.8% |