| | German Flatts, NY | Whitesboro, NY | United States |
| Population | 12,351 | 3,680 | 329,725,481 |
| Female Population | 51.6% | 57.8% | 50.5% |
| Male Population | 48.4% | 42.3% | 49.5% |
| Median Age | 42.8 | 33.5 | 38.4 |
| space3 | | | |
| Population - 2010 | 13,216 | 3,772 | 309,327,143 |
| Population - 2000 | 13,629 | 3,943 | 285,036,114 |
| Population - 1990 | 14,345 | 4,195 | 251,960,433 |
| Pop. 2000 to Now | -9.4% | -9.2% | 15.6% |
| Pop. 1990 to Now | -13.9% | -14.6% | 30.8% |
| space4 | | | |
| Population Density | 366.6 | 3,504.8 | 93.4 |
| Land Area | 33.7 | 1.1 | 3,531,905.4 |
| Water Area | 0.5 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | German Flatts, NY | Whitesboro, NY | United States |
| Age 0 to 4 | 4.5% | 1.4% | 5.9% |
| Age 5 to 9 | 8.8% | 4.4% | 6.1% |
| Age 10 to 14 | 7.1% | 5.0% | 6.6% |
| Age 15 to 17 | 3.6% | 8.3% | 3.9% |
| Age 18 to 20 | 3.3% | 3.0% | 4.0% |
| Age 21 to 24 | 2.8% | 8.8% | 5.2% |
| Age 25 to 34 | 14.0% | 23.2% | 13.8% |
| Age 35 to 44 | 7.5% | 12.1% | 12.9% |
| Age 45 to 54 | 14.5% | 9.6% | 12.6% |
| Age 55 to 59 | 7.1% | 4.8% | 6.7% |
| Age 60 to 64 | 7.3% | 5.9% | 6.3% |
| Age 65 to 74 | 11.7% | 9.1% | 9.6% |
| Age 75 to 84 | 5.2% | 2.3% | 4.5% |
| Age 85 and over | 2.7% | 2.2% | 1.9% |
| space1 | | | |
| Race | | | |
| | German Flatts, NY | Whitesboro, NY | United States |
| White | 92.6% | 86.7% | 59.4% |
| Black | 1.8% | 3.9% | 12.2% |
| Asian | 1.1% | 0.0% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 2.6% | 0.0% | 3.2% |
| Hispanic | 1.9% | 9.4% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | German Flatts, NY | Whitesboro, NY | United States |
| Married Population | 49.7% | 34.7% | 49.8% |
| Currently Married | 48.0% | 32.5% | 48.0% |
| Married but Separated | 1.7% | 2.1% | 1.8% |
| Single Population | 50.3% | 65.3% | 50.2% |
| Never Married | 29.5% | 47.6% | 33.8% |
| Divorced | 14.5% | 14.2% | 10.8% |
| Widowed | 6.3% | 3.5% | 5.6% |
| space5 | | | |
| Household Size | 2.45 | 2.25 | 2.60 |
| Households | 4,960 | 1,629 | 124,010,992 |
| Family Households | 3,092 | 909 | 80,755,759 |
| Married couple, w/children | 26.0% | 21.6% | 30.5% |
| Married couple, no children | 48.2% | 33.2% | 42.9% |
| Non Family Households | 1,868 | 720 | 43,255,233 |
| Single householder, w/children | 14.0% | 35.1% | 15.8% |
| Single householder, no children | 11.8% | 10.1% | 10.8% |