| | Bristol, RI | Cambridge, MA | United States |
| Population | 22,305 | 116,892 | 329,725,481 |
| Female Population | 50.1% | 50.0% | 50.5% |
| Male Population | 49.9% | 50.0% | 49.5% |
| Median Age | 43.5 | 30.5 | 38.4 |
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| Population - 2010 | 22,912 | 105,017 | 309,327,143 |
| Population - 2000 | 22,469 | 101,355 | 285,036,114 |
| Population - 1990 | 21,625 | 95,802 | 251,960,433 |
| Pop. 2000 to Now | -2.7% | 17.6% | 15.6% |
| Pop. 1990 to Now | 1.1% | 24.4% | 30.8% |
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| Population Density | 2,272.1 | 18,284.4 | 93.4 |
| Land Area | 9.8 | 6.4 | 3,531,905.4 |
| Water Area | 10.8 | 0.7 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Bristol, RI | Cambridge, MA | United States |
| Age 0 to 4 | 2.6% | 4.3% | 5.9% |
| Age 5 to 9 | 2.7% | 3.5% | 6.1% |
| Age 10 to 14 | 5.2% | 2.8% | 6.6% |
| Age 15 to 17 | 2.9% | 1.9% | 3.9% |
| Age 18 to 20 | 14.0% | 9.2% | 4.0% |
| Age 21 to 24 | 4.9% | 10.9% | 5.2% |
| Age 25 to 34 | 10.6% | 27.8% | 13.8% |
| Age 35 to 44 | 8.9% | 13.3% | 12.9% |
| Age 45 to 54 | 10.3% | 7.7% | 12.6% |
| Age 55 to 59 | 9.1% | 3.6% | 6.7% |
| Age 60 to 64 | 6.8% | 3.8% | 6.3% |
| Age 65 to 74 | 11.7% | 6.8% | 9.6% |
| Age 75 to 84 | 6.2% | 3.0% | 4.5% |
| Age 85 and over | 4.1% | 1.5% | 1.9% |
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| Race | | | |
| | Bristol, RI | Cambridge, MA | United States |
| White | 92.0% | 57.5% | 59.4% |
| Black | 1.1% | 10.0% | 12.2% |
| Asian | 2.0% | 18.2% | 5.6% |
| Native American | 0.1% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.1% | 0.2% |
| Other | 0.1% | 0.8% | 0.4% |
| Two or More Races | 2.6% | 4.6% | 3.2% |
| Hispanic | 2.1% | 8.8% | 18.4% |
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| Marriage & Family | | | |
| | Bristol, RI | Cambridge, MA | United States |
| Married Population | 42.2% | 33.9% | 49.8% |
| Currently Married | 41.9% | 33.1% | 48.0% |
| Married but Separated | 0.3% | 0.7% | 1.8% |
| Single Population | 57.8% | 66.1% | 50.2% |
| Never Married | 41.9% | 57.9% | 33.8% |
| Divorced | 8.6% | 5.6% | 10.8% |
| Widowed | 7.3% | 2.6% | 5.6% |
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| Household Size | 2.30 | 2.09 | 2.60 |
| Households | 8,065 | 47,777 | 124,010,992 |
| Family Households | 4,677 | 19,584 | 80,755,759 |
| Married couple, w/children | 29.4% | 31.7% | 30.5% |
| Married couple, no children | 53.6% | 47.0% | 42.9% |
| Non Family Households | 3,388 | 28,193 | 43,255,233 |
| Single householder, w/children | 8.8% | 10.6% | 15.8% |
| Single householder, no children | 8.2% | 10.7% | 10.8% |