| | East Fishkill, NY | Bethel, CT | United States |
| Population | 29,455 | 20,287 | 329,725,481 |
| Female Population | 50.2% | 50.2% | 50.5% |
| Male Population | 49.8% | 49.8% | 49.5% |
| Median Age | 43.1 | 40.4 | 38.4 |
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| Population - 2010 | 29,069 | 18,733 | 309,327,143 |
| Population - 2000 | 25,589 | 18,067 | 285,036,114 |
| Population - 1990 | 22,101 | 17,541 | 251,960,433 |
| Pop. 2000 to Now | 15.3% | 10.4% | 15.6% |
| Pop. 1990 to Now | 33.5% | 13.7% | 30.8% |
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| Population Density | 521.3 | 1,201.2 | 93.4 |
| Land Area | 56.5 | 16.9 | 3,531,905.4 |
| Water Area | 0.9 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | East Fishkill, NY | Bethel, CT | United States |
| Age 0 to 4 | 5.5% | 5.1% | 5.9% |
| Age 5 to 9 | 5.9% | 6.8% | 6.1% |
| Age 10 to 14 | 7.0% | 8.1% | 6.6% |
| Age 15 to 17 | 4.8% | 4.3% | 3.9% |
| Age 18 to 20 | 3.0% | 4.5% | 4.0% |
| Age 21 to 24 | 5.9% | 4.3% | 5.2% |
| Age 25 to 34 | 10.1% | 11.2% | 13.8% |
| Age 35 to 44 | 10.7% | 10.5% | 12.9% |
| Age 45 to 54 | 15.0% | 15.3% | 12.6% |
| Age 55 to 59 | 7.7% | 9.2% | 6.7% |
| Age 60 to 64 | 8.8% | 6.7% | 6.3% |
| Age 65 to 74 | 10.4% | 7.7% | 9.6% |
| Age 75 to 84 | 4.2% | 4.1% | 4.5% |
| Age 85 and over | 1.1% | 2.2% | 1.9% |
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| Race | | | |
| | East Fishkill, NY | Bethel, CT | United States |
| White | 75.7% | 73.3% | 59.4% |
| Black | 2.0% | 5.4% | 12.2% |
| Asian | 4.9% | 6.3% | 5.6% |
| Native American | 0.2% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.8% | 3.1% | 0.4% |
| Two or More Races | 4.3% | 4.4% | 3.2% |
| Hispanic | 12.0% | 7.5% | 18.4% |
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| Marriage & Family | | | |
| | East Fishkill, NY | Bethel, CT | United States |
| Married Population | 61.6% | 50.5% | 49.8% |
| Currently Married | 60.9% | 49.3% | 48.0% |
| Married but Separated | 0.7% | 1.3% | 1.8% |
| Single Population | 38.4% | 49.5% | 50.2% |
| Never Married | 27.1% | 31.7% | 33.8% |
| Divorced | 7.5% | 13.1% | 10.8% |
| Widowed | 3.8% | 4.6% | 5.6% |
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| Household Size | 3.04 | 2.79 | 2.60 |
| Households | 9,667 | 7,207 | 124,010,992 |
| Family Households | 8,199 | 5,040 | 80,755,759 |
| Married couple, w/children | 36.9% | 34.9% | 30.5% |
| Married couple, no children | 49.9% | 40.4% | 42.9% |
| Non Family Households | 1,468 | 2,167 | 43,255,233 |
| Single householder, w/children | 4.8% | 14.0% | 15.8% |
| Single householder, no children | 8.4% | 10.7% | 10.8% |