| | Pleasantville, NJ | Henderson, NV | United States |
| Population | 20,505 | 311,250 | 329,725,481 |
| Female Population | 53.2% | 50.3% | 50.5% |
| Male Population | 46.8% | 49.7% | 49.5% |
| Median Age | 33.8 | 42.3 | 38.4 |
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| Population - 2010 | 20,284 | 257,453 | 309,327,143 |
| Population - 2000 | 19,012 | 175,381 | 285,036,114 |
| Population - 1990 | 16,027 | 64,942 | 251,960,433 |
| Pop. 2000 to Now | 5.5% | 87.7% | 15.6% |
| Pop. 1990 to Now | 25.2% | 406.9% | 30.8% |
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| Population Density | 3,584.2 | 2,972.2 | 93.4 |
| Land Area | 5.7 | 104.7 | 3,531,905.4 |
| Water Area | 1.6 | 0.5 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Pleasantville, NJ | Henderson, NV | United States |
| Age 0 to 4 | 7.2% | 4.8% | 5.9% |
| Age 5 to 9 | 6.0% | 6.2% | 6.1% |
| Age 10 to 14 | 6.6% | 6.5% | 6.6% |
| Age 15 to 17 | 4.6% | 4.1% | 3.9% |
| Age 18 to 20 | 5.4% | 2.9% | 4.0% |
| Age 21 to 24 | 4.1% | 3.5% | 5.2% |
| Age 25 to 34 | 17.6% | 12.2% | 13.8% |
| Age 35 to 44 | 13.6% | 13.2% | 12.9% |
| Age 45 to 54 | 11.5% | 13.7% | 12.6% |
| Age 55 to 59 | 8.5% | 6.6% | 6.7% |
| Age 60 to 64 | 4.3% | 6.7% | 6.3% |
| Age 65 to 74 | 6.4% | 11.7% | 9.6% |
| Age 75 to 84 | 3.1% | 6.1% | 4.5% |
| Age 85 and over | 1.0% | 1.8% | 1.9% |
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| Race | | | |
| | Pleasantville, NJ | Henderson, NV | United States |
| White | 8.3% | 60.4% | 59.4% |
| Black | 37.7% | 5.8% | 12.2% |
| Asian | 1.2% | 8.9% | 5.6% |
| Native American | 0.3% | 0.3% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.7% | 0.2% |
| Other | 0.0% | 0.6% | 0.4% |
| Two or More Races | 3.4% | 4.6% | 3.2% |
| Hispanic | 49.1% | 18.6% | 18.4% |
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| Marriage & Family | | | |
| | Pleasantville, NJ | Henderson, NV | United States |
| Married Population | 35.1% | 52.3% | 49.8% |
| Currently Married | 30.7% | 50.9% | 48.0% |
| Married but Separated | 4.3% | 1.4% | 1.8% |
| Single Population | 64.9% | 47.7% | 50.2% |
| Never Married | 46.9% | 28.5% | 33.8% |
| Divorced | 12.3% | 13.9% | 10.8% |
| Widowed | 5.8% | 5.2% | 5.6% |
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| Household Size | 3.03 | 2.55 | 2.60 |
| Households | 6,682 | 121,325 | 124,010,992 |
| Family Households | 4,742 | 80,181 | 80,755,759 |
| Married couple, w/children | 19.7% | 29.5% | 30.5% |
| Married couple, no children | 23.7% | 46.4% | 42.9% |
| Non Family Households | 1,940 | 41,144 | 43,255,233 |
| Single householder, w/children | 29.5% | 13.7% | 15.8% |
| Single householder, no children | 27.1% | 10.4% | 10.8% |