| | Hamilton, NY | Euclid, OH | United States |
| Population | 6,107 | 49,382 | 329,725,481 |
| Female Population | 49.8% | 54.6% | 50.5% |
| Male Population | 50.2% | 45.4% | 49.5% |
| Median Age | 22.7 | 41.5 | 38.4 |
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| Population - 2010 | 6,684 | 48,814 | 309,327,143 |
| Population - 2000 | 5,733 | 52,717 | 285,036,114 |
| Population - 1990 | 6,221 | 54,875 | 251,960,433 |
| Pop. 2000 to Now | 12.2% | -12.4% | 15.6% |
| Pop. 1990 to Now | 3.4% | -15.8% | 30.8% |
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| Population Density | 147.6 | 4,636.8 | 93.4 |
| Land Area | 41.4 | 10.7 | 3,531,905.4 |
| Water Area | 0.1 | 0.8 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Hamilton, NY | Euclid, OH | United States |
| Age 0 to 4 | 5.0% | 5.3% | 5.9% |
| Age 5 to 9 | 3.9% | 5.8% | 6.1% |
| Age 10 to 14 | 2.5% | 6.8% | 6.6% |
| Age 15 to 17 | 2.6% | 3.2% | 3.9% |
| Age 18 to 20 | 29.4% | 3.5% | 4.0% |
| Age 21 to 24 | 9.5% | 5.2% | 5.2% |
| Age 25 to 34 | 9.5% | 13.2% | 13.8% |
| Age 35 to 44 | 6.5% | 11.4% | 12.9% |
| Age 45 to 54 | 10.4% | 12.3% | 12.6% |
| Age 55 to 59 | 3.6% | 8.2% | 6.7% |
| Age 60 to 64 | 5.1% | 8.4% | 6.3% |
| Age 65 to 74 | 7.1% | 9.3% | 9.6% |
| Age 75 to 84 | 2.7% | 5.3% | 4.5% |
| Age 85 and over | 2.0% | 2.0% | 1.9% |
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| Race | | | |
| | Hamilton, NY | Euclid, OH | United States |
| White | 83.4% | 30.7% | 59.4% |
| Black | 4.2% | 63.7% | 12.2% |
| Asian | 4.8% | 0.6% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.9% | 0.4% |
| Two or More Races | 1.3% | 2.8% | 3.2% |
| Hispanic | 6.4% | 1.2% | 18.4% |
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| Marriage & Family | | | |
| | Hamilton, NY | Euclid, OH | United States |
| Married Population | 29.7% | 31.1% | 49.8% |
| Currently Married | 29.4% | 28.1% | 48.0% |
| Married but Separated | 0.3% | 3.0% | 1.8% |
| Single Population | 70.3% | 68.9% | 50.2% |
| Never Married | 56.8% | 46.7% | 33.8% |
| Divorced | 8.8% | 14.5% | 10.8% |
| Widowed | 4.6% | 7.7% | 5.6% |
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| Household Size | 2.30 | 2.10 | 2.60 |
| Households | 1,692 | 23,247 | 124,010,992 |
| Family Households | 931 | 11,634 | 80,755,759 |
| Married couple, w/children | 40.6% | 15.7% | 30.5% |
| Married couple, no children | 43.7% | 29.5% | 42.9% |
| Non Family Households | 761 | 11,613 | 43,255,233 |
| Single householder, w/children | 10.6% | 32.3% | 15.8% |
| Single householder, no children | 5.0% | 22.6% | 10.8% |