| | Ellington, CT | Bridgeport, WV | United States |
| Population | 16,339 | 9,165 | 329,725,481 |
| Female Population | 48.5% | 56.7% | 50.5% |
| Male Population | 51.5% | 43.3% | 49.5% |
| Median Age | 39.3 | 43.6 | 38.4 |
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| Population - 2010 | 15,635 | 8,111 | 309,327,143 |
| Population - 2000 | 12,921 | 7,306 | 285,036,114 |
| Population - 1990 | 11,197 | 6,739 | 251,960,433 |
| Pop. 2000 to Now | 28.9% | 20.2% | 15.6% |
| Pop. 1990 to Now | 48.7% | 30.3% | 30.8% |
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| Population Density | 479.7 | 853.1 | 93.4 |
| Land Area | 34.1 | 10.7 | 3,531,905.4 |
| Water Area | 0.5 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Ellington, CT | Bridgeport, WV | United States |
| Age 0 to 4 | 5.8% | 6.5% | 5.9% |
| Age 5 to 9 | 5.4% | 5.2% | 6.1% |
| Age 10 to 14 | 7.5% | 3.7% | 6.6% |
| Age 15 to 17 | 3.6% | 3.7% | 3.9% |
| Age 18 to 20 | 2.3% | 2.8% | 4.0% |
| Age 21 to 24 | 6.2% | 1.5% | 5.2% |
| Age 25 to 34 | 11.8% | 14.9% | 13.8% |
| Age 35 to 44 | 14.5% | 12.9% | 12.9% |
| Age 45 to 54 | 12.9% | 13.2% | 12.6% |
| Age 55 to 59 | 9.0% | 7.8% | 6.7% |
| Age 60 to 64 | 6.1% | 6.0% | 6.3% |
| Age 65 to 74 | 8.5% | 10.6% | 9.6% |
| Age 75 to 84 | 5.0% | 6.7% | 4.5% |
| Age 85 and over | 1.3% | 4.6% | 1.9% |
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| Race | | | |
| | Ellington, CT | Bridgeport, WV | United States |
| White | 83.8% | 92.4% | 59.4% |
| Black | 2.6% | 1.5% | 12.2% |
| Asian | 6.3% | 2.2% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.5% | 0.1% | 0.4% |
| Two or More Races | 2.6% | 0.8% | 3.2% |
| Hispanic | 4.2% | 3.0% | 18.4% |
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| Marriage & Family | | | |
| | Ellington, CT | Bridgeport, WV | United States |
| Married Population | 56.0% | 56.3% | 49.8% |
| Currently Married | 55.5% | 56.1% | 48.0% |
| Married but Separated | 0.5% | 0.2% | 1.8% |
| Single Population | 44.0% | 43.7% | 50.2% |
| Never Married | 28.5% | 25.1% | 33.8% |
| Divorced | 11.3% | 7.3% | 10.8% |
| Widowed | 4.2% | 11.3% | 5.6% |
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| Household Size | 2.43 | 2.44 | 2.60 |
| Households | 6,714 | 3,704 | 124,010,992 |
| Family Households | 4,168 | 2,448 | 80,755,759 |
| Married couple, w/children | 38.7% | 33.2% | 30.5% |
| Married couple, no children | 47.7% | 49.2% | 42.9% |
| Non Family Households | 2,546 | 1,256 | 43,255,233 |
| Single householder, w/children | 10.2% | 7.1% | 15.8% |
| Single householder, no children | 3.3% | 10.4% | 10.8% |