| | Bronxville, NY | Newark, NJ | United States |
| Population | 6,569 | 306,247 | 329,725,481 |
| Female Population | 54.1% | 50.8% | 50.5% |
| Male Population | 45.9% | 49.2% | 49.5% |
| Median Age | 37.4 | 34.7 | 38.4 |
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| Population - 2010 | 6,320 | 276,989 | 309,327,143 |
| Population - 2000 | 6,543 | 273,546 | 285,036,114 |
| Population - 1990 | 6,028 | 275,221 | 251,960,433 |
| Pop. 2000 to Now | -2.3% | 3.3% | 15.6% |
| Pop. 1990 to Now | 6.1% | 2.7% | 30.8% |
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| Population Density | 6,828.5 | 12,684.2 | 93.4 |
| Land Area | 1.0 | 24.1 | 3,531,905.4 |
| Water Area | 0.0 | 1.7 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Bronxville, NY | Newark, NJ | United States |
| Age 0 to 4 | 5.1% | 6.9% | 5.9% |
| Age 5 to 9 | 8.2% | 6.8% | 6.1% |
| Age 10 to 14 | 11.4% | 7.2% | 6.6% |
| Age 15 to 17 | 5.0% | 3.9% | 3.9% |
| Age 18 to 20 | 6.4% | 4.4% | 4.0% |
| Age 21 to 24 | 5.4% | 5.6% | 5.2% |
| Age 25 to 34 | 6.7% | 15.7% | 13.8% |
| Age 35 to 44 | 9.3% | 14.4% | 12.9% |
| Age 45 to 54 | 17.5% | 13.2% | 12.6% |
| Age 55 to 59 | 5.2% | 5.9% | 6.7% |
| Age 60 to 64 | 4.0% | 5.5% | 6.3% |
| Age 65 to 74 | 10.7% | 6.3% | 9.6% |
| Age 75 to 84 | 2.0% | 2.9% | 4.5% |
| Age 85 and over | 3.1% | 1.2% | 1.9% |
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| Race | | | |
| | Bronxville, NY | Newark, NJ | United States |
| White | 81.1% | 9.9% | 59.4% |
| Black | 0.9% | 46.5% | 12.2% |
| Asian | 6.1% | 1.8% | 5.6% |
| Native American | 0.0% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.2% | 2.1% | 0.4% |
| Two or More Races | 4.0% | 2.6% | 3.2% |
| Hispanic | 7.7% | 36.8% | 18.4% |
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| Marriage & Family | | | |
| | Bronxville, NY | Newark, NJ | United States |
| Married Population | 54.5% | 34.1% | 49.8% |
| Currently Married | 54.5% | 30.7% | 48.0% |
| Married but Separated | 0.0% | 3.4% | 1.8% |
| Single Population | 45.5% | 65.9% | 50.2% |
| Never Married | 34.9% | 52.5% | 33.8% |
| Divorced | 5.7% | 8.1% | 10.8% |
| Widowed | 5.0% | 5.2% | 5.6% |
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| Household Size | 2.92 | 2.66 | 2.60 |
| Households | 2,170 | 109,737 | 124,010,992 |
| Family Households | 1,620 | 66,807 | 80,755,759 |
| Married couple, w/children | 48.0% | 22.7% | 30.5% |
| Married couple, no children | 28.2% | 23.0% | 42.9% |
| Non Family Households | 550 | 42,930 | 43,255,233 |
| Single householder, w/children | 6.7% | 32.6% | 15.8% |
| Single householder, no children | 17.1% | 21.7% | 10.8% |