| | Durham, CT | Galveston, TX | United States |
| Population | 7,242 | 53,092 | 329,725,481 |
| Female Population | 48.4% | 49.4% | 50.5% |
| Male Population | 51.6% | 50.6% | 49.5% |
| Median Age | 46.1 | 40 | 38.4 |
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| Population - 2010 | 7,386 | 47,794 | 309,327,143 |
| Population - 2000 | 6,627 | 57,247 | 285,036,114 |
| Population - 1990 | 5,732 | 59,070 | 251,960,433 |
| Pop. 2000 to Now | 7.7% | -12.5% | 15.6% |
| Pop. 1990 to Now | 24.5% | -15.2% | 30.8% |
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| Population Density | 306.1 | 1,290.2 | 93.4 |
| Land Area | 23.7 | 41.2 | 3,531,905.4 |
| Water Area | 0.2 | 168.2 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Durham, CT | Galveston, TX | United States |
| Age 0 to 4 | 5.6% | 4.6% | 5.9% |
| Age 5 to 9 | 3.9% | 4.2% | 6.1% |
| Age 10 to 14 | 5.3% | 4.5% | 6.6% |
| Age 15 to 17 | 3.9% | 2.8% | 3.9% |
| Age 18 to 20 | 2.7% | 4.9% | 4.0% |
| Age 21 to 24 | 2.7% | 7.0% | 5.2% |
| Age 25 to 34 | 10.3% | 15.4% | 13.8% |
| Age 35 to 44 | 13.2% | 11.7% | 12.9% |
| Age 45 to 54 | 17.2% | 11.5% | 12.6% |
| Age 55 to 59 | 8.0% | 7.2% | 6.7% |
| Age 60 to 64 | 8.2% | 7.2% | 6.3% |
| Age 65 to 74 | 12.9% | 12.5% | 9.6% |
| Age 75 to 84 | 4.3% | 4.6% | 4.5% |
| Age 85 and over | 1.8% | 1.8% | 1.9% |
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| Race | | | |
| | Durham, CT | Galveston, TX | United States |
| White | 92.4% | 48.2% | 59.4% |
| Black | 0.1% | 15.8% | 12.2% |
| Asian | 1.0% | 2.7% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.1% | 0.2% |
| Other | 0.0% | 0.1% | 0.4% |
| Two or More Races | 3.5% | 1.8% | 3.2% |
| Hispanic | 2.9% | 31.1% | 18.4% |
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| Marriage & Family | | | |
| | Durham, CT | Galveston, TX | United States |
| Married Population | 60.0% | 42.4% | 49.8% |
| Currently Married | 59.6% | 39.9% | 48.0% |
| Married but Separated | 0.4% | 2.6% | 1.8% |
| Single Population | 40.0% | 57.6% | 50.2% |
| Never Married | 25.5% | 37.9% | 33.8% |
| Divorced | 9.2% | 14.1% | 10.8% |
| Widowed | 5.3% | 5.5% | 5.6% |
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| Household Size | 2.38 | 2.12 | 2.60 |
| Households | 3,019 | 23,313 | 124,010,992 |
| Family Households | 2,204 | 12,404 | 80,755,759 |
| Married couple, w/children | 40.0% | 19.0% | 30.5% |
| Married couple, no children | 49.3% | 47.8% | 42.9% |
| Non Family Households | 815 | 10,909 | 43,255,233 |
| Single householder, w/children | 5.3% | 17.8% | 15.8% |
| Single householder, no children | 5.4% | 15.5% | 10.8% |