| | Bridgeport, CT | Chico, CA | United States |
| Population | 148,529 | 103,898 | 329,725,481 |
| Female Population | 52.0% | 51.0% | 50.5% |
| Male Population | 48.0% | 49.0% | 49.5% |
| Median Age | 34.9 | 30.3 | 38.4 |
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| Population - 2010 | 144,865 | 89,049 | 309,327,143 |
| Population - 2000 | 139,529 | 59,954 | 285,036,114 |
| Population - 1990 | 141,686 | 40,079 | 251,960,433 |
| Pop. 2000 to Now | 2.9% | 71.6% | 15.6% |
| Pop. 1990 to Now | 1.3% | 156.7% | 30.8% |
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| Population Density | 9,246.7 | 3,105.1 | 93.4 |
| Land Area | 16.1 | 33.5 | 3,531,905.4 |
| Water Area | 3.4 | 0.2 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Bridgeport, CT | Chico, CA | United States |
| Age 0 to 4 | 5.9% | 5.1% | 5.9% |
| Age 5 to 9 | 6.2% | 5.9% | 6.1% |
| Age 10 to 14 | 6.8% | 5.1% | 6.6% |
| Age 15 to 17 | 4.0% | 3.1% | 3.9% |
| Age 18 to 20 | 5.2% | 8.7% | 4.0% |
| Age 21 to 24 | 6.9% | 12.9% | 5.2% |
| Age 25 to 34 | 15.1% | 15.2% | 13.8% |
| Age 35 to 44 | 13.3% | 11.6% | 12.9% |
| Age 45 to 54 | 12.7% | 9.5% | 12.6% |
| Age 55 to 59 | 6.0% | 4.6% | 6.7% |
| Age 60 to 64 | 5.8% | 5.1% | 6.3% |
| Age 65 to 74 | 6.9% | 8.1% | 9.6% |
| Age 75 to 84 | 3.4% | 3.3% | 4.5% |
| Age 85 and over | 1.8% | 1.7% | 1.9% |
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| Race | | | |
| | Bridgeport, CT | Chico, CA | United States |
| White | 18.3% | 68.5% | 59.4% |
| Black | 32.1% | 2.0% | 12.2% |
| Asian | 4.3% | 4.8% | 5.6% |
| Native American | 0.1% | 0.4% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.3% | 0.2% |
| Other | 1.2% | 0.1% | 0.4% |
| Two or More Races | 2.3% | 4.4% | 3.2% |
| Hispanic | 41.7% | 19.4% | 18.4% |
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| Marriage & Family | | | |
| | Bridgeport, CT | Chico, CA | United States |
| Married Population | 36.8% | 37.0% | 49.8% |
| Currently Married | 33.9% | 35.3% | 48.0% |
| Married but Separated | 3.0% | 1.8% | 1.8% |
| Single Population | 63.2% | 63.0% | 50.2% |
| Never Married | 46.6% | 48.2% | 33.8% |
| Divorced | 10.7% | 10.1% | 10.8% |
| Widowed | 5.9% | 4.6% | 5.6% |
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| Household Size | 2.72 | 2.40 | 2.60 |
| Households | 52,914 | 41,787 | 124,010,992 |
| Family Households | 33,365 | 22,201 | 80,755,759 |
| Married couple, w/children | 26.0% | 27.9% | 30.5% |
| Married couple, no children | 26.1% | 37.3% | 42.9% |
| Non Family Households | 19,549 | 19,586 | 43,255,233 |
| Single householder, w/children | 28.9% | 22.1% | 15.8% |
| Single householder, no children | 19.0% | 12.8% | 10.8% |