| | South Fallsburg, NY | Hyde Park, NY | United States |
| Population | 1,066 | 21,115 | 329,725,481 |
| Female Population | 53.3% | 50.4% | 50.5% |
| Male Population | 46.7% | 49.6% | 49.5% |
| Median Age | 39.9 | 42.1 | 38.4 |
| space3 | | | |
| Population - 2010 | 2,732 | 21,592 | 309,327,143 |
| Population - 2000 | 2,061 | 20,851 | 285,036,114 |
| Population - 1990 | 2,115 | 21,230 | 251,960,433 |
| Pop. 2000 to Now | 13.0% | -0.6% | 15.6% |
| Pop. 1990 to Now | 10.1% | -2.4% | 30.8% |
| space4 | | | |
| Population Density | 179.3 | 575.9 | 93.4 |
| Land Area | 5.9 | 36.7 | 3,531,905.4 |
| Water Area | 0.2 | 3.2 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | South Fallsburg, NY | Hyde Park, NY | United States |
| Age 0 to 4 | 8.5% | 4.1% | 5.9% |
| Age 5 to 9 | 2.0% | 4.1% | 6.1% |
| Age 10 to 14 | 8.2% | 6.0% | 6.6% |
| Age 15 to 17 | 6.0% | 4.0% | 3.9% |
| Age 18 to 20 | 2.3% | 8.5% | 4.0% |
| Age 21 to 24 | 3.9% | 6.4% | 5.2% |
| Age 25 to 34 | 6.8% | 10.6% | 13.8% |
| Age 35 to 44 | 22.8% | 9.9% | 12.9% |
| Age 45 to 54 | 11.3% | 12.4% | 12.6% |
| Age 55 to 59 | 5.3% | 8.3% | 6.7% |
| Age 60 to 64 | 0.2% | 7.0% | 6.3% |
| Age 65 to 74 | 13.9% | 10.8% | 9.6% |
| Age 75 to 84 | 8.9% | 5.5% | 4.5% |
| Age 85 and over | 0.0% | 2.4% | 1.9% |
| space1 | | | |
| Race | | | |
| | South Fallsburg, NY | Hyde Park, NY | United States |
| White | 38.4% | 78.1% | 59.4% |
| Black | 13.3% | 8.6% | 12.2% |
| Asian | 0.0% | 2.9% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.2% | 0.4% |
| Two or More Races | 0.0% | 2.9% | 3.2% |
| Hispanic | 48.3% | 7.2% | 18.4% |
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| Marriage & Family | | | |
| | South Fallsburg, NY | Hyde Park, NY | United States |
| Married Population | 23.9% | 51.5% | 49.8% |
| Currently Married | 20.9% | 49.6% | 48.0% |
| Married but Separated | 3.0% | 1.9% | 1.8% |
| Single Population | 76.1% | 48.5% | 50.2% |
| Never Married | 59.2% | 33.7% | 33.8% |
| Divorced | 9.7% | 9.6% | 10.8% |
| Widowed | 7.3% | 5.2% | 5.6% |
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| Household Size | 1.88 | 2.43 | 2.60 |
| Households | 550 | 7,842 | 124,010,992 |
| Family Households | 251 | 5,335 | 80,755,759 |
| Married couple, w/children | 8.8% | 26.0% | 30.5% |
| Married couple, no children | 29.1% | 53.8% | 42.9% |
| Non Family Households | 299 | 2,507 | 43,255,233 |
| Single householder, w/children | 32.3% | 12.1% | 15.8% |
| Single householder, no children | 29.9% | 8.1% | 10.8% |