| | Bristol, PA | Hackensack, NJ | United States |
| Population | 9,847 | 45,723 | 329,725,481 |
| Female Population | 50.6% | 52.6% | 50.5% |
| Male Population | 49.4% | 47.4% | 49.5% |
| Median Age | 38.6 | 39.7 | 38.4 |
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| Population - 2010 | 9,722 | 43,068 | 309,327,143 |
| Population - 2000 | 9,923 | 42,677 | 285,036,114 |
| Population - 1990 | 10,405 | 37,049 | 251,960,433 |
| Pop. 2000 to Now | -3.5% | 3.1% | 15.6% |
| Pop. 1990 to Now | -8.0% | 18.7% | 30.8% |
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| Population Density | 5,792.4 | 10,909.8 | 93.4 |
| Land Area | 1.7 | 4.2 | 3,531,905.4 |
| Water Area | 0.3 | 0.2 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Bristol, PA | Hackensack, NJ | United States |
| Age 0 to 4 | 8.1% | 5.5% | 5.9% |
| Age 5 to 9 | 5.3% | 4.2% | 6.1% |
| Age 10 to 14 | 7.0% | 4.6% | 6.6% |
| Age 15 to 17 | 3.1% | 2.6% | 3.9% |
| Age 18 to 20 | 1.6% | 1.8% | 4.0% |
| Age 21 to 24 | 4.4% | 5.3% | 5.2% |
| Age 25 to 34 | 14.7% | 18.3% | 13.8% |
| Age 35 to 44 | 13.6% | 15.3% | 12.9% |
| Age 45 to 54 | 13.6% | 13.0% | 12.6% |
| Age 55 to 59 | 6.5% | 6.9% | 6.7% |
| Age 60 to 64 | 4.7% | 6.2% | 6.3% |
| Age 65 to 74 | 10.8% | 10.1% | 9.6% |
| Age 75 to 84 | 4.9% | 3.9% | 4.5% |
| Age 85 and over | 1.7% | 2.5% | 1.9% |
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| Race | | | |
| | Bristol, PA | Hackensack, NJ | United States |
| White | 69.5% | 24.3% | 59.4% |
| Black | 8.6% | 23.1% | 12.2% |
| Asian | 2.3% | 13.1% | 5.6% |
| Native American | 0.1% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.5% | 0.6% | 0.4% |
| Two or More Races | 5.1% | 2.4% | 3.2% |
| Hispanic | 13.8% | 36.4% | 18.4% |
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| Marriage & Family | | | |
| | Bristol, PA | Hackensack, NJ | United States |
| Married Population | 47.0% | 39.8% | 49.8% |
| Currently Married | 44.2% | 37.2% | 48.0% |
| Married but Separated | 2.8% | 2.6% | 1.8% |
| Single Population | 53.0% | 60.2% | 50.2% |
| Never Married | 33.4% | 41.8% | 33.8% |
| Divorced | 12.4% | 13.0% | 10.8% |
| Widowed | 7.1% | 5.4% | 5.6% |
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| Household Size | 2.45 | 2.23 | 2.60 |
| Households | 4,011 | 19,995 | 124,010,992 |
| Family Households | 2,480 | 10,749 | 80,755,759 |
| Married couple, w/children | 33.6% | 24.6% | 30.5% |
| Married couple, no children | 34.3% | 33.0% | 42.9% |
| Non Family Households | 1,531 | 9,246 | 43,255,233 |
| Single householder, w/children | 19.4% | 19.5% | 15.8% |
| Single householder, no children | 12.7% | 23.0% | 10.8% |