| | Pennsauken, NJ | Lafayette, LA | United States |
| Population | 36,838 | 122,469 | 329,725,481 |
| Female Population | 52.0% | 51.7% | 50.5% |
| Male Population | 48.0% | 48.3% | 49.5% |
| Median Age | 37.9 | 36.3 | 38.4 |
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| Population - 2010 | 35,972 | 121,896 | 309,327,143 |
| Population - 2000 | 35,737 | 110,257 | 285,036,114 |
| Population - 1990 | 34,738 | 94,440 | 251,960,433 |
| Pop. 2000 to Now | 0.0% | 14.8% | 15.6% |
| Pop. 1990 to Now | 2.9% | 34.0% | 30.8% |
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| Population Density | 3,530.2 | 2,207.7 | 93.4 |
| Land Area | 10.4 | 55.5 | 3,531,905.4 |
| Water Area | 1.6 | 0.1 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Pennsauken, NJ | Lafayette, LA | United States |
| Age 0 to 4 | 6.8% | 6.0% | 5.9% |
| Age 5 to 9 | 5.2% | 5.4% | 6.1% |
| Age 10 to 14 | 7.3% | 6.1% | 6.6% |
| Age 15 to 17 | 4.5% | 3.9% | 3.9% |
| Age 18 to 20 | 4.2% | 5.2% | 4.0% |
| Age 21 to 24 | 5.9% | 5.8% | 5.2% |
| Age 25 to 34 | 12.5% | 15.4% | 13.8% |
| Age 35 to 44 | 13.3% | 12.4% | 12.9% |
| Age 45 to 54 | 13.0% | 10.7% | 12.6% |
| Age 55 to 59 | 6.2% | 7.0% | 6.7% |
| Age 60 to 64 | 6.7% | 6.2% | 6.3% |
| Age 65 to 74 | 9.2% | 9.9% | 9.6% |
| Age 75 to 84 | 3.7% | 4.1% | 4.5% |
| Age 85 and over | 1.5% | 1.9% | 1.9% |
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| Race | | | |
| | Pennsauken, NJ | Lafayette, LA | United States |
| White | 25.8% | 59.5% | 59.4% |
| Black | 27.2% | 29.8% | 12.2% |
| Asian | 8.7% | 2.3% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.1% | 0.2% |
| Other | 1.2% | 0.1% | 0.4% |
| Two or More Races | 2.2% | 3.3% | 3.2% |
| Hispanic | 34.8% | 4.6% | 18.4% |
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| Marriage & Family | | | |
| | Pennsauken, NJ | Lafayette, LA | United States |
| Married Population | 43.4% | 43.5% | 49.8% |
| Currently Married | 40.3% | 41.4% | 48.0% |
| Married but Separated | 3.1% | 2.1% | 1.8% |
| Single Population | 56.6% | 56.5% | 50.2% |
| Never Married | 42.8% | 40.6% | 33.8% |
| Divorced | 8.8% | 9.9% | 10.8% |
| Widowed | 5.1% | 6.0% | 5.6% |
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| Household Size | 2.89 | 2.30 | 2.60 |
| Households | 12,661 | 51,328 | 124,010,992 |
| Family Households | 9,003 | 29,538 | 80,755,759 |
| Married couple, w/children | 25.9% | 24.3% | 30.5% |
| Married couple, no children | 33.8% | 44.7% | 42.9% |
| Non Family Households | 3,658 | 21,790 | 43,255,233 |
| Single householder, w/children | 23.6% | 18.6% | 15.8% |
| Single householder, no children | 16.6% | 12.4% | 10.8% |