| | Windham, NY | Catskill, NY | United States |
| Population | 1,553 | 11,374 | 329,725,481 |
| Female Population | 51.5% | 47.8% | 50.5% |
| Male Population | 48.5% | 52.2% | 49.5% |
| Median Age | 49.6 | 44.7 | 38.4 |
| space3 | | | |
| Population - 2010 | 1,692 | 11,775 | 309,327,143 |
| Population - 2000 | 1,660 | 11,849 | 285,036,114 |
| Population - 1990 | 1,682 | 11,965 | 251,960,433 |
| Pop. 2000 to Now | 1.4% | -4.3% | 15.6% |
| Pop. 1990 to Now | 0.1% | -5.3% | 30.8% |
| space4 | | | |
| Population Density | 34.4 | 188.2 | 93.4 |
| Land Area | 45.2 | 60.4 | 3,531,905.4 |
| Water Area | 0.1 | 3.7 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Windham, NY | Catskill, NY | United States |
| Age 0 to 4 | 4.4% | 4.8% | 5.9% |
| Age 5 to 9 | 4.7% | 3.1% | 6.1% |
| Age 10 to 14 | 2.6% | 4.4% | 6.6% |
| Age 15 to 17 | 3.0% | 1.8% | 3.9% |
| Age 18 to 20 | 5.0% | 3.0% | 4.0% |
| Age 21 to 24 | 3.3% | 5.4% | 5.2% |
| Age 25 to 34 | 9.7% | 16.6% | 13.8% |
| Age 35 to 44 | 11.3% | 11.4% | 12.9% |
| Age 45 to 54 | 12.7% | 11.8% | 12.6% |
| Age 55 to 59 | 13.8% | 5.9% | 6.7% |
| Age 60 to 64 | 7.5% | 8.3% | 6.3% |
| Age 65 to 74 | 12.6% | 13.6% | 9.6% |
| Age 75 to 84 | 6.8% | 4.7% | 4.5% |
| Age 85 and over | 2.6% | 5.4% | 1.9% |
| space1 | | | |
| Race | | | |
| | Windham, NY | Catskill, NY | United States |
| White | 90.2% | 86.7% | 59.4% |
| Black | 2.7% | 5.6% | 12.2% |
| Asian | 0.5% | 1.2% | 5.6% |
| Native American | 0.0% | 0.9% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.1% | 0.4% |
| Two or More Races | 3.6% | 1.0% | 3.2% |
| Hispanic | 3.0% | 4.4% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Windham, NY | Catskill, NY | United States |
| Married Population | 54.1% | 42.4% | 49.8% |
| Currently Married | 50.0% | 41.7% | 48.0% |
| Married but Separated | 4.1% | 0.7% | 1.8% |
| Single Population | 45.9% | 57.6% | 50.2% |
| Never Married | 24.4% | 36.7% | 33.8% |
| Divorced | 17.7% | 11.8% | 10.8% |
| Widowed | 3.8% | 9.1% | 5.6% |
| space5 | | | |
| Household Size | 2.66 | 2.31 | 2.60 |
| Households | 583 | 4,792 | 124,010,992 |
| Family Households | 408 | 2,413 | 80,755,759 |
| Married couple, w/children | 23.3% | 30.6% | 30.5% |
| Married couple, no children | 62.0% | 50.0% | 42.9% |
| Non Family Households | 175 | 2,379 | 43,255,233 |
| Single householder, w/children | 3.2% | 6.6% | 15.8% |
| Single householder, no children | 11.5% | 12.8% | 10.8% |