| | Blauvelt, NY | Cresskill, NJ | United States |
| Population | 5,255 | 9,096 | 329,725,481 |
| Female Population | 51.5% | 56.5% | 50.5% |
| Male Population | 48.5% | 43.5% | 49.5% |
| Median Age | 42.2 | 44.6 | 38.4 |
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| Population - 2010 | 5,283 | 8,547 | 309,327,143 |
| Population - 2000 | 5,207 | 7,746 | 285,036,114 |
| Population - 1990 | 4,838 | 7,558 | 251,960,433 |
| Pop. 2000 to Now | 12.4% | 11.4% | 15.6% |
| Pop. 1990 to Now | 21.0% | 14.1% | 30.8% |
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| Population Density | 1,167.3 | 4,404.8 | 93.4 |
| Land Area | 4.5 | 2.1 | 3,531,905.4 |
| Water Area | 0.1 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Blauvelt, NY | Cresskill, NJ | United States |
| Age 0 to 4 | 2.8% | 3.4% | 5.9% |
| Age 5 to 9 | 4.2% | 8.8% | 6.1% |
| Age 10 to 14 | 6.8% | 8.4% | 6.6% |
| Age 15 to 17 | 5.8% | 5.3% | 3.9% |
| Age 18 to 20 | 6.0% | 1.8% | 4.0% |
| Age 21 to 24 | 8.1% | 4.9% | 5.2% |
| Age 25 to 34 | 11.4% | 5.0% | 13.8% |
| Age 35 to 44 | 7.9% | 13.4% | 12.9% |
| Age 45 to 54 | 16.5% | 17.3% | 12.6% |
| Age 55 to 59 | 6.2% | 7.5% | 6.7% |
| Age 60 to 64 | 5.9% | 7.9% | 6.3% |
| Age 65 to 74 | 8.9% | 9.3% | 9.6% |
| Age 75 to 84 | 5.8% | 2.4% | 4.5% |
| Age 85 and over | 3.7% | 4.6% | 1.9% |
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| Race | | | |
| | Blauvelt, NY | Cresskill, NJ | United States |
| White | 77.1% | 56.4% | 59.4% |
| Black | 0.7% | 0.1% | 12.2% |
| Asian | 8.8% | 34.0% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 6.1% | 0.8% | 3.2% |
| Hispanic | 7.3% | 8.6% | 18.4% |
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| Marriage & Family | | | |
| | Blauvelt, NY | Cresskill, NJ | United States |
| Married Population | 52.9% | 62.6% | 49.8% |
| Currently Married | 52.1% | 62.1% | 48.0% |
| Married but Separated | 0.8% | 0.5% | 1.8% |
| Single Population | 47.1% | 37.4% | 50.2% |
| Never Married | 34.6% | 22.1% | 33.8% |
| Divorced | 5.8% | 7.7% | 10.8% |
| Widowed | 6.7% | 7.6% | 5.6% |
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| Household Size | 3.16 | 2.96 | 2.60 |
| Households | 1,530 | 3,036 | 124,010,992 |
| Family Households | 1,252 | 2,496 | 80,755,759 |
| Married couple, w/children | 37.3% | 47.1% | 30.5% |
| Married couple, no children | 46.2% | 41.9% | 42.9% |
| Non Family Households | 278 | 540 | 43,255,233 |
| Single householder, w/children | 2.8% | 3.3% | 15.8% |
| Single householder, no children | 13.7% | 7.7% | 10.8% |