| | East Hampton, CT | Hamden, CT | United States |
| Population | 12,858 | 61,160 | 329,725,481 |
| Female Population | 50.8% | 53.2% | 50.5% |
| Male Population | 49.2% | 46.8% | 49.5% |
| Median Age | 43.3 | 37 | 38.4 |
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| Population - 2010 | 12,955 | 61,601 | 309,327,143 |
| Population - 2000 | 13,352 | 56,913 | 285,036,114 |
| Population - 1990 | 10,428 | 52,434 | 251,960,433 |
| Pop. 2000 to Now | -4.5% | 5.9% | 15.6% |
| Pop. 1990 to Now | 22.2% | 15.0% | 30.8% |
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| Population Density | 360.7 | 1,873.6 | 93.4 |
| Land Area | 35.7 | 32.6 | 3,531,905.4 |
| Water Area | 1.2 | 0.7 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | East Hampton, CT | Hamden, CT | United States |
| Age 0 to 4 | 6.1% | 4.5% | 5.9% |
| Age 5 to 9 | 6.1% | 5.3% | 6.1% |
| Age 10 to 14 | 5.1% | 5.1% | 6.6% |
| Age 15 to 17 | 4.4% | 3.3% | 3.9% |
| Age 18 to 20 | 3.0% | 9.5% | 4.0% |
| Age 21 to 24 | 3.3% | 6.1% | 5.2% |
| Age 25 to 34 | 10.9% | 13.1% | 13.8% |
| Age 35 to 44 | 12.5% | 12.6% | 12.9% |
| Age 45 to 54 | 14.2% | 10.5% | 12.6% |
| Age 55 to 59 | 9.4% | 6.7% | 6.7% |
| Age 60 to 64 | 6.9% | 6.9% | 6.3% |
| Age 65 to 74 | 14.0% | 8.6% | 9.6% |
| Age 75 to 84 | 2.5% | 4.4% | 4.5% |
| Age 85 and over | 1.7% | 3.2% | 1.9% |
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| Race | | | |
| | East Hampton, CT | Hamden, CT | United States |
| White | 89.5% | 51.4% | 59.4% |
| Black | 0.9% | 26.5% | 12.2% |
| Asian | 2.9% | 4.9% | 5.6% |
| Native American | 0.4% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.2% | 0.4% | 0.4% |
| Two or More Races | 2.5% | 3.9% | 3.2% |
| Hispanic | 3.6% | 12.8% | 18.4% |
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| Marriage & Family | | | |
| | East Hampton, CT | Hamden, CT | United States |
| Married Population | 58.0% | 40.9% | 49.8% |
| Currently Married | 56.6% | 39.6% | 48.0% |
| Married but Separated | 1.4% | 1.4% | 1.8% |
| Single Population | 42.0% | 59.1% | 50.2% |
| Never Married | 25.6% | 45.8% | 33.8% |
| Divorced | 11.8% | 7.8% | 10.8% |
| Widowed | 4.6% | 5.4% | 5.6% |
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| Household Size | 2.67 | 2.47 | 2.60 |
| Households | 4,781 | 22,403 | 124,010,992 |
| Family Households | 3,572 | 13,626 | 80,755,759 |
| Married couple, w/children | 36.6% | 27.2% | 30.5% |
| Married couple, no children | 46.0% | 42.5% | 42.9% |
| Non Family Households | 1,209 | 8,777 | 43,255,233 |
| Single householder, w/children | 7.6% | 18.0% | 15.8% |
| Single householder, no children | 9.8% | 12.3% | 10.8% |