| | Hancock, MA | Staten Island, NY | United States |
| Population | 749 | 493,194 | 329,725,481 |
| Female Population | 53.4% | 51.2% | 50.5% |
| Male Population | 46.6% | 48.8% | 49.5% |
| Median Age | 50.5 | 40.4 | 38.4 |
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| Population - 2010 | 721 | 469,607 | 309,327,143 |
| Population - 2000 | 721 | 443,728 | 285,036,114 |
| Population - 1990 | 628 | 378,977 | 251,960,433 |
| Pop. 2000 to Now | -3.6% | 7.1% | 15.6% |
| Pop. 1990 to Now | 10.7% | 25.4% | 30.8% |
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| Population Density | 21.0 | 8,449.4 | 93.4 |
| Land Area | 35.7 | 58.4 | 3,531,905.4 |
| Water Area | 0.1 | 43.9 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Hancock, MA | Staten Island, NY | United States |
| Age 0 to 4 | 10.1% | 5.6% | 5.9% |
| Age 5 to 9 | 4.5% | 5.9% | 6.1% |
| Age 10 to 14 | 3.3% | 6.5% | 6.6% |
| Age 15 to 17 | 1.7% | 4.0% | 3.9% |
| Age 18 to 20 | 2.9% | 3.3% | 4.0% |
| Age 21 to 24 | 3.2% | 4.9% | 5.2% |
| Age 25 to 34 | 9.6% | 13.3% | 13.8% |
| Age 35 to 44 | 10.8% | 12.6% | 12.9% |
| Age 45 to 54 | 13.0% | 13.7% | 12.6% |
| Age 55 to 59 | 9.5% | 6.9% | 6.7% |
| Age 60 to 64 | 9.5% | 7.0% | 6.3% |
| Age 65 to 74 | 16.6% | 9.8% | 9.6% |
| Age 75 to 84 | 3.9% | 4.5% | 4.5% |
| Age 85 and over | 1.3% | 1.9% | 1.9% |
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| Race | | | |
| | Hancock, MA | Staten Island, NY | United States |
| White | 88.4% | 59.6% | 59.4% |
| Black | 0.7% | 9.1% | 12.2% |
| Asian | 4.9% | 10.4% | 5.6% |
| Native American | 0.1% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.2% | 0.4% |
| Two or More Races | 4.7% | 2.1% | 3.2% |
| Hispanic | 1.2% | 18.4% | 18.4% |
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| Marriage & Family | | | |
| | Hancock, MA | Staten Island, NY | United States |
| Married Population | 57.2% | 51.6% | 49.8% |
| Currently Married | 56.7% | 50.0% | 48.0% |
| Married but Separated | 0.5% | 1.6% | 1.8% |
| Single Population | 42.8% | 48.4% | 50.2% |
| Never Married | 23.6% | 34.1% | 33.8% |
| Divorced | 9.4% | 8.3% | 10.8% |
| Widowed | 9.8% | 6.0% | 5.6% |
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| Household Size | 2.53 | 2.87 | 2.60 |
| Households | 296 | 169,528 | 124,010,992 |
| Family Households | 193 | 123,441 | 80,755,759 |
| Married couple, w/children | 32.6% | 32.8% | 30.5% |
| Married couple, no children | 51.3% | 40.2% | 42.9% |
| Non Family Households | 103 | 46,087 | 43,255,233 |
| Single householder, w/children | 4.7% | 12.6% | 15.8% |
| Single householder, no children | 11.4% | 14.4% | 10.8% |