| | Canton, NY | Geneva, NY | United States |
| Population | 11,448 | 12,577 | 329,725,481 |
| Female Population | 52.8% | 51.9% | 50.5% |
| Male Population | 47.2% | 48.1% | 49.5% |
| Median Age | 29.1 | 30.2 | 38.4 |
| space3 | | | |
| Population - 2010 | 10,984 | 13,205 | 309,327,143 |
| Population - 2000 | 10,334 | 13,617 | 285,036,114 |
| Population - 1990 | 11,120 | 14,143 | 251,960,433 |
| Pop. 2000 to Now | 6.7% | -7.2% | 15.6% |
| Pop. 1990 to Now | -0.9% | -10.6% | 30.8% |
| space4 | | | |
| Population Density | 109.3 | 2,987.4 | 93.4 |
| Land Area | 104.8 | 4.2 | 3,531,905.4 |
| Water Area | 1.1 | 1.6 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Canton, NY | Geneva, NY | United States |
| Age 0 to 4 | 3.1% | 6.2% | 5.9% |
| Age 5 to 9 | 3.4% | 4.9% | 6.1% |
| Age 10 to 14 | 4.3% | 3.2% | 6.6% |
| Age 15 to 17 | 2.5% | 2.8% | 3.9% |
| Age 18 to 20 | 21.6% | 15.6% | 4.0% |
| Age 21 to 24 | 10.8% | 10.7% | 5.2% |
| Age 25 to 34 | 8.6% | 12.0% | 13.8% |
| Age 35 to 44 | 9.0% | 6.5% | 12.9% |
| Age 45 to 54 | 10.8% | 10.9% | 12.6% |
| Age 55 to 59 | 7.4% | 5.7% | 6.7% |
| Age 60 to 64 | 5.8% | 6.7% | 6.3% |
| Age 65 to 74 | 8.0% | 9.0% | 9.6% |
| Age 75 to 84 | 3.5% | 4.4% | 4.5% |
| Age 85 and over | 1.2% | 1.4% | 1.9% |
| space1 | | | |
| Race | | | |
| | Canton, NY | Geneva, NY | United States |
| White | 88.2% | 71.7% | 59.4% |
| Black | 4.4% | 6.8% | 12.2% |
| Asian | 2.2% | 3.0% | 5.6% |
| Native American | 0.1% | 0.3% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.3% | 0.0% | 0.4% |
| Two or More Races | 1.0% | 3.5% | 3.2% |
| Hispanic | 3.7% | 14.7% | 18.4% |
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| Marriage & Family | | | |
| | Canton, NY | Geneva, NY | United States |
| Married Population | 37.6% | 30.9% | 49.8% |
| Currently Married | 34.0% | 28.3% | 48.0% |
| Married but Separated | 3.7% | 2.6% | 1.8% |
| Single Population | 62.4% | 69.1% | 50.2% |
| Never Married | 51.7% | 51.2% | 33.8% |
| Divorced | 7.3% | 12.9% | 10.8% |
| Widowed | 3.4% | 5.0% | 5.6% |
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| Household Size | 2.06 | 2.22 | 2.60 |
| Households | 3,868 | 4,655 | 124,010,992 |
| Family Households | 2,126 | 2,350 | 80,755,759 |
| Married couple, w/children | 28.1% | 22.0% | 30.5% |
| Married couple, no children | 48.4% | 33.9% | 42.9% |
| Non Family Households | 1,742 | 2,305 | 43,255,233 |
| Single householder, w/children | 19.7% | 24.2% | 15.8% |
| Single householder, no children | 3.8% | 19.9% | 10.8% |