| | Perth Amboy, NJ | Cherry Hill, NJ | United States |
| Population | 55,046 | 74,203 | 329,725,481 |
| Female Population | 51.1% | 51.4% | 50.5% |
| Male Population | 48.9% | 48.6% | 49.5% |
| Median Age | 35.7 | 42.9 | 38.4 |
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| Population - 2010 | 50,918 | 70,763 | 309,327,143 |
| Population - 2000 | 47,303 | 69,965 | 285,036,114 |
| Population - 1990 | 41,967 | 69,348 | 251,960,433 |
| Pop. 2000 to Now | 8.5% | 3.0% | 15.6% |
| Pop. 1990 to Now | 22.3% | 3.9% | 30.8% |
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| Population Density | 11,807.4 | 3,079.4 | 93.4 |
| Land Area | 4.7 | 24.1 | 3,531,905.4 |
| Water Area | 1.3 | 0.1 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Perth Amboy, NJ | Cherry Hill, NJ | United States |
| Age 0 to 4 | 7.0% | 5.5% | 5.9% |
| Age 5 to 9 | 5.5% | 7.1% | 6.1% |
| Age 10 to 14 | 7.3% | 4.9% | 6.6% |
| Age 15 to 17 | 4.3% | 3.4% | 3.9% |
| Age 18 to 20 | 4.3% | 2.4% | 4.0% |
| Age 21 to 24 | 6.6% | 4.0% | 5.2% |
| Age 25 to 34 | 14.1% | 11.5% | 13.8% |
| Age 35 to 44 | 14.0% | 13.4% | 12.9% |
| Age 45 to 54 | 14.0% | 13.2% | 12.6% |
| Age 55 to 59 | 5.7% | 8.7% | 6.7% |
| Age 60 to 64 | 5.4% | 6.5% | 6.3% |
| Age 65 to 74 | 7.3% | 10.8% | 9.6% |
| Age 75 to 84 | 3.1% | 5.7% | 4.5% |
| Age 85 and over | 1.5% | 2.7% | 1.9% |
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| Race | | | |
| | Perth Amboy, NJ | Cherry Hill, NJ | United States |
| White | 14.6% | 70.6% | 59.4% |
| Black | 5.9% | 5.3% | 12.2% |
| Asian | 0.7% | 12.5% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.4% | 1.1% | 0.4% |
| Two or More Races | 0.7% | 2.3% | 3.2% |
| Hispanic | 77.7% | 8.1% | 18.4% |
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| Marriage & Family | | | |
| | Perth Amboy, NJ | Cherry Hill, NJ | United States |
| Married Population | 40.9% | 58.2% | 49.8% |
| Currently Married | 35.8% | 57.2% | 48.0% |
| Married but Separated | 5.1% | 1.0% | 1.8% |
| Single Population | 59.1% | 41.8% | 50.2% |
| Never Married | 43.5% | 27.1% | 33.8% |
| Divorced | 10.7% | 7.7% | 10.8% |
| Widowed | 4.9% | 7.0% | 5.6% |
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| Household Size | 3.02 | 2.63 | 2.60 |
| Households | 18,040 | 27,877 | 124,010,992 |
| Family Households | 12,948 | 20,025 | 80,755,759 |
| Married couple, w/children | 24.7% | 33.9% | 30.5% |
| Married couple, no children | 23.2% | 48.8% | 42.9% |
| Non Family Households | 5,092 | 7,852 | 43,255,233 |
| Single householder, w/children | 32.4% | 7.1% | 15.8% |
| Single householder, no children | 19.7% | 10.2% | 10.8% |