| | Eatons Neck, NY | Centerport, NY | United States |
| Population | 1,255 | 6,028 | 329,725,481 |
| Female Population | 48.2% | 50.6% | 50.5% |
| Male Population | 51.8% | 49.4% | 49.5% |
| Median Age | 50.6 | 48.1 | 38.4 |
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| Population - 2010 | 1,352 | 5,610 | 309,327,143 |
| Population - 2000 | 1,388 | 5,446 | 285,036,114 |
| Population - 1990 | 1,499 | 5,333 | 251,960,433 |
| Pop. 2000 to Now | 12.1% | -2.4% | 15.6% |
| Pop. 1990 to Now | 3.8% | -0.3% | 30.8% |
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| Population Density | 1,248.8 | 2,865.0 | 93.4 |
| Land Area | 1.0 | 2.1 | 3,531,905.4 |
| Water Area | 0.0 | 0.2 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Eatons Neck, NY | Centerport, NY | United States |
| Age 0 to 4 | 0.6% | 5.7% | 5.9% |
| Age 5 to 9 | 2.9% | 3.7% | 6.1% |
| Age 10 to 14 | 12.4% | 5.4% | 6.6% |
| Age 15 to 17 | 5.6% | 7.7% | 3.9% |
| Age 18 to 20 | 2.0% | 2.6% | 4.0% |
| Age 21 to 24 | 4.0% | 2.2% | 5.2% |
| Age 25 to 34 | 7.3% | 7.3% | 13.8% |
| Age 35 to 44 | 5.7% | 11.6% | 12.9% |
| Age 45 to 54 | 20.6% | 17.0% | 12.6% |
| Age 55 to 59 | 10.1% | 11.3% | 6.7% |
| Age 60 to 64 | 8.6% | 7.7% | 6.3% |
| Age 65 to 74 | 10.8% | 10.1% | 9.6% |
| Age 75 to 84 | 8.0% | 5.6% | 4.5% |
| Age 85 and over | 1.4% | 2.1% | 1.9% |
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| Race | | | |
| | Eatons Neck, NY | Centerport, NY | United States |
| White | 93.2% | 85.6% | 59.4% |
| Black | 0.9% | 0.4% | 12.2% |
| Asian | 2.6% | 3.9% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 4.0% | 0.4% |
| Two or More Races | 0.0% | 0.8% | 3.2% |
| Hispanic | 3.3% | 5.3% | 18.4% |
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| Marriage & Family | | | |
| | Eatons Neck, NY | Centerport, NY | United States |
| Married Population | 68.5% | 61.9% | 49.8% |
| Currently Married | 68.5% | 61.0% | 48.0% |
| Married but Separated | 0.0% | 0.9% | 1.8% |
| Single Population | 31.5% | 38.1% | 50.2% |
| Never Married | 23.9% | 26.4% | 33.8% |
| Divorced | 3.5% | 7.7% | 10.8% |
| Widowed | 4.1% | 4.1% | 5.6% |
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| Household Size | 2.86 | 2.78 | 2.60 |
| Households | 439 | 2,168 | 124,010,992 |
| Family Households | 380 | 1,692 | 80,755,759 |
| Married couple, w/children | 31.1% | 34.8% | 30.5% |
| Married couple, no children | 57.9% | 54.3% | 42.9% |
| Non Family Households | 59 | 476 | 43,255,233 |
| Single householder, w/children | 7.1% | 5.9% | 15.8% |
| Single householder, no children | 3.9% | 5.0% | 10.8% |