| | Durham, NH | Storrs, CT | United States |
| Population | 15,410 | 16,784 | 329,725,481 |
| Female Population | 52.6% | 52.4% | 50.5% |
| Male Population | 47.4% | 47.6% | 49.5% |
| Median Age | 20.6 | 20.4 | 38.4 |
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| Population - 2010 | 14,648 | 14,134 | 309,327,143 |
| Population - 2000 | 12,664 | 10,996 | 285,036,114 |
| Population - 1990 | 11,818 | 12,198 | 251,960,433 |
| Pop. 2000 to Now | 29.8% | 45.0% | 15.6% |
| Pop. 1990 to Now | 39.1% | 30.7% | 30.8% |
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| Population Density | 688.4 | 3,003.0 | 93.4 |
| Land Area | 22.4 | 5.6 | 3,531,905.4 |
| Water Area | 2.4 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Durham, NH | Storrs, CT | United States |
| Age 0 to 4 | 1.6% | 0.3% | 5.9% |
| Age 5 to 9 | 2.5% | 0.5% | 6.1% |
| Age 10 to 14 | 2.2% | 0.5% | 6.6% |
| Age 15 to 17 | 2.1% | 1.3% | 3.9% |
| Age 18 to 20 | 46.9% | 59.3% | 4.0% |
| Age 21 to 24 | 19.0% | 25.6% | 5.2% |
| Age 25 to 34 | 3.8% | 2.6% | 13.8% |
| Age 35 to 44 | 4.9% | 1.8% | 12.9% |
| Age 45 to 54 | 4.6% | 1.2% | 12.6% |
| Age 55 to 59 | 2.5% | 0.6% | 6.7% |
| Age 60 to 64 | 1.9% | 1.1% | 6.3% |
| Age 65 to 74 | 4.8% | 2.0% | 9.6% |
| Age 75 to 84 | 1.9% | 1.6% | 4.5% |
| Age 85 and over | 1.3% | 1.7% | 1.9% |
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| Race | | | |
| | Durham, NH | Storrs, CT | United States |
| White | 88.8% | 75.4% | 59.4% |
| Black | 0.6% | 4.5% | 12.2% |
| Asian | 3.7% | 12.4% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.1% | 0.0% | 0.4% |
| Two or More Races | 3.7% | 1.7% | 3.2% |
| Hispanic | 3.0% | 5.9% | 18.4% |
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| Marriage & Family | | | |
| | Durham, NH | Storrs, CT | United States |
| Married Population | 19.2% | 6.5% | 49.8% |
| Currently Married | 19.1% | 6.5% | 48.0% |
| Married but Separated | 0.1% | 0.0% | 1.8% |
| Single Population | 80.8% | 93.5% | 50.2% |
| Never Married | 76.1% | 89.7% | 33.8% |
| Divorced | 3.5% | 2.3% | 10.8% |
| Widowed | 1.3% | 1.5% | 5.6% |
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| Household Size | 2.54 | 1.85 | 2.60 |
| Households | 2,904 | 2,422 | 124,010,992 |
| Family Households | 1,575 | 512 | 80,755,759 |
| Married couple, w/children | 37.3% | 28.1% | 30.5% |
| Married couple, no children | 46.7% | 46.7% | 42.9% |
| Non Family Households | 1,329 | 1,910 | 43,255,233 |
| Single householder, w/children | 10.5% | 3.7% | 15.8% |
| Single householder, no children | 5.5% | 21.5% | 10.8% |