| | Coxsackie, NY | Greenville (Greene County), NY | United States |
| Population | 8,379 | 629 | 329,725,481 |
| Female Population | 31.7% | 50.6% | 50.5% |
| Male Population | 68.3% | 49.4% | 49.5% |
| Median Age | 41 | 50.3 | 38.4 |
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| Population - 2010 | 8,940 | 870 | 309,327,143 |
| Population - 2000 | 8,884 | 493 | 285,036,114 |
| Population - 1990 | 7,633 | 546 | 251,960,433 |
| Pop. 2000 to Now | -6.2% | 15.2% | 15.6% |
| Pop. 1990 to Now | 9.2% | 4.0% | 30.8% |
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| Population Density | 227.3 | 183.3 | 93.4 |
| Land Area | 36.9 | 3.4 | 3,531,905.4 |
| Water Area | 1.5 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Coxsackie, NY | Greenville (Greene County), NY | United States |
| Age 0 to 4 | 4.2% | 8.1% | 5.9% |
| Age 5 to 9 | 4.0% | 1.7% | 6.1% |
| Age 10 to 14 | 4.4% | 13.0% | 6.6% |
| Age 15 to 17 | 1.6% | 5.2% | 3.9% |
| Age 18 to 20 | 4.2% | 0.0% | 4.0% |
| Age 21 to 24 | 7.5% | 0.0% | 5.2% |
| Age 25 to 34 | 16.2% | 8.1% | 13.8% |
| Age 35 to 44 | 16.2% | 8.3% | 12.9% |
| Age 45 to 54 | 10.3% | 12.1% | 12.6% |
| Age 55 to 59 | 7.1% | 3.7% | 6.7% |
| Age 60 to 64 | 10.1% | 7.2% | 6.3% |
| Age 65 to 74 | 8.4% | 18.1% | 9.6% |
| Age 75 to 84 | 4.5% | 8.4% | 4.5% |
| Age 85 and over | 1.4% | 6.0% | 1.9% |
| space1 | | | |
| Race | | | |
| | Coxsackie, NY | Greenville (Greene County), NY | United States |
| White | 68.2% | 90.1% | 59.4% |
| Black | 18.7% | 0.8% | 12.2% |
| Asian | 0.7% | 0.0% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 8.1% | 0.4% |
| Two or More Races | 3.4% | 0.0% | 3.2% |
| Hispanic | 8.9% | 1.0% | 18.4% |
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| Marriage & Family | | | |
| | Coxsackie, NY | Greenville (Greene County), NY | United States |
| Married Population | 39.0% | 56.7% | 49.8% |
| Currently Married | 37.9% | 56.7% | 48.0% |
| Married but Separated | 1.1% | 0.0% | 1.8% |
| Single Population | 61.0% | 43.3% | 50.2% |
| Never Married | 47.3% | 22.5% | 33.8% |
| Divorced | 8.3% | 7.0% | 10.8% |
| Widowed | 5.4% | 13.8% | 5.6% |
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| Household Size | 2.50 | 2.47 | 2.60 |
| Households | 2,288 | 255 | 124,010,992 |
| Family Households | 1,456 | 150 | 80,755,759 |
| Married couple, w/children | 26.9% | 13.3% | 30.5% |
| Married couple, no children | 50.9% | 76.0% | 42.9% |
| Non Family Households | 832 | 105 | 43,255,233 |
| Single householder, w/children | 14.6% | 7.3% | 15.8% |
| Single householder, no children | 7.7% | 3.3% | 10.8% |