| | Voorhees CDP (Somerset County), NJ | Voorhees township (Camden County), NJ | United States |
| Population | 1,586 | 30,864 | 329,725,481 |
| Female Population | 62.4% | 49.7% | 50.5% |
| Male Population | 37.6% | 50.3% | 49.5% |
| Median Age | 29.3 | 42.5 | 38.4 |
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| Population - 2010 | 1,025 | 29,282 | 309,327,143 |
| Population - 2000 | 623 | 28,126 | 285,036,114 |
| Population - 1990 | 695 | 24,559 | 251,960,433 |
| Pop. 2000 to Now | 126.5% | 3.5% | 15.6% |
| Pop. 1990 to Now | 103.0% | 18.5% | 30.8% |
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| Population Density | 2,208.9 | 2,685.2 | 93.4 |
| Land Area | 0.7 | 11.5 | 3,531,905.4 |
| Water Area | 0.0 | 0.1 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Voorhees CDP (Somerset County), NJ | Voorhees township (Camden County), NJ | United States |
| Age 0 to 4 | 12.4% | 3.8% | 5.9% |
| Age 5 to 9 | 10.3% | 7.1% | 6.1% |
| Age 10 to 14 | 8.3% | 6.8% | 6.6% |
| Age 15 to 17 | 2.4% | 3.7% | 3.9% |
| Age 18 to 20 | 6.9% | 2.4% | 4.0% |
| Age 21 to 24 | 2.8% | 5.2% | 5.2% |
| Age 25 to 34 | 13.5% | 10.7% | 13.8% |
| Age 35 to 44 | 16.8% | 14.3% | 12.9% |
| Age 45 to 54 | 11.9% | 12.9% | 12.6% |
| Age 55 to 59 | 5.4% | 6.8% | 6.7% |
| Age 60 to 64 | 3.3% | 6.9% | 6.3% |
| Age 65 to 74 | 1.3% | 10.6% | 9.6% |
| Age 75 to 84 | 4.7% | 5.3% | 4.5% |
| Age 85 and over | 0.0% | 3.6% | 1.9% |
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| Race | | | |
| | Voorhees CDP (Somerset County), NJ | Voorhees township (Camden County), NJ | United States |
| White | 9.3% | 60.7% | 59.4% |
| Black | 32.5% | 7.7% | 12.2% |
| Asian | 19.5% | 21.0% | 5.6% |
| Native American | 0.0% | 0.3% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 1.4% | 0.4% |
| Two or More Races | 2.1% | 2.7% | 3.2% |
| Hispanic | 36.6% | 6.2% | 18.4% |
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| Marriage & Family | | | |
| | Voorhees CDP (Somerset County), NJ | Voorhees township (Camden County), NJ | United States |
| Married Population | 47.3% | 57.1% | 49.8% |
| Currently Married | 45.6% | 55.9% | 48.0% |
| Married but Separated | 1.7% | 1.1% | 1.8% |
| Single Population | 52.7% | 42.9% | 50.2% |
| Never Married | 42.0% | 29.1% | 33.8% |
| Divorced | 4.1% | 7.8% | 10.8% |
| Widowed | 6.5% | 6.0% | 5.6% |
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| Household Size | 3.79 | 2.56 | 2.60 |
| Households | 418 | 11,683 | 124,010,992 |
| Family Households | 369 | 7,954 | 80,755,759 |
| Married couple, w/children | 49.9% | 37.5% | 30.5% |
| Married couple, no children | 11.7% | 47.6% | 42.9% |
| Non Family Households | 49 | 3,729 | 43,255,233 |
| Single householder, w/children | 27.4% | 7.7% | 15.8% |
| Single householder, no children | 11.1% | 7.2% | 10.8% |