| | Camden, NJ | Trenton, NJ | United States |
| Population | 72,381 | 90,097 | 329,725,481 |
| Female Population | 53.2% | 50.9% | 50.5% |
| Male Population | 46.8% | 49.1% | 49.5% |
| Median Age | 32.4 | 36.1 | 38.4 |
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| Population - 2010 | 76,813 | 85,008 | 309,327,143 |
| Population - 2000 | 79,904 | 85,403 | 285,036,114 |
| Population - 1990 | 87,492 | 88,675 | 251,960,433 |
| Pop. 2000 to Now | -7.7% | -2.9% | 15.6% |
| Pop. 1990 to Now | -15.7% | -6.5% | 30.8% |
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| Population Density | 8,116.3 | 11,887.7 | 93.4 |
| Land Area | 8.9 | 7.6 | 3,531,905.4 |
| Water Area | 1.4 | 0.6 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Camden, NJ | Trenton, NJ | United States |
| Age 0 to 4 | 7.5% | 7.1% | 5.9% |
| Age 5 to 9 | 7.6% | 7.7% | 6.1% |
| Age 10 to 14 | 8.9% | 7.3% | 6.6% |
| Age 15 to 17 | 5.2% | 3.4% | 3.9% |
| Age 18 to 20 | 4.7% | 3.0% | 4.0% |
| Age 21 to 24 | 5.8% | 5.1% | 5.2% |
| Age 25 to 34 | 14.0% | 14.9% | 13.8% |
| Age 35 to 44 | 13.6% | 13.9% | 12.9% |
| Age 45 to 54 | 11.3% | 12.6% | 12.6% |
| Age 55 to 59 | 5.4% | 6.6% | 6.7% |
| Age 60 to 64 | 5.5% | 6.2% | 6.3% |
| Age 65 to 74 | 6.5% | 7.6% | 9.6% |
| Age 75 to 84 | 3.3% | 3.1% | 4.5% |
| Age 85 and over | 0.8% | 1.4% | 1.9% |
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| Race | | | |
| | Camden, NJ | Trenton, NJ | United States |
| White | 4.1% | 13.2% | 59.4% |
| Black | 39.3% | 47.2% | 12.2% |
| Asian | 1.7% | 0.9% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.4% | 0.2% | 0.4% |
| Two or More Races | 1.6% | 1.8% | 3.2% |
| Hispanic | 52.8% | 36.7% | 18.4% |
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| Marriage & Family | | | |
| | Camden, NJ | Trenton, NJ | United States |
| Married Population | 27.9% | 33.7% | 49.8% |
| Currently Married | 21.4% | 29.2% | 48.0% |
| Married but Separated | 6.4% | 4.5% | 1.8% |
| Single Population | 72.1% | 66.3% | 50.2% |
| Never Married | 55.9% | 49.9% | 33.8% |
| Divorced | 11.3% | 10.8% | 10.8% |
| Widowed | 5.0% | 5.6% | 5.6% |
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| Household Size | 2.79 | 2.75 | 2.60 |
| Households | 24,986 | 31,461 | 124,010,992 |
| Family Households | 16,102 | 17,730 | 80,755,759 |
| Married couple, w/children | 13.0% | 22.5% | 30.5% |
| Married couple, no children | 13.7% | 24.0% | 42.9% |
| Non Family Households | 8,884 | 13,731 | 43,255,233 |
| Single householder, w/children | 49.9% | 32.4% | 15.8% |
| Single householder, no children | 23.3% | 21.0% | 10.8% |