| | Harrisburg, PA | East Hartford, CT | United States |
| Population | 49,969 | 50,971 | 329,725,481 |
| Female Population | 51.5% | 50.1% | 50.5% |
| Male Population | 48.5% | 49.9% | 49.5% |
| Median Age | 31.6 | 37.4 | 38.4 |
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| Population - 2010 | 49,513 | 50,974 | 309,327,143 |
| Population - 2000 | 48,950 | 49,575 | 285,036,114 |
| Population - 1990 | 52,376 | 50,452 | 251,960,433 |
| Pop. 2000 to Now | 0.8% | 1.7% | 15.6% |
| Pop. 1990 to Now | -5.8% | -0.1% | 30.8% |
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| Population Density | 6,154.6 | 2,832.2 | 93.4 |
| Land Area | 8.1 | 18.0 | 3,531,905.4 |
| Water Area | 3.7 | 0.7 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Harrisburg, PA | East Hartford, CT | United States |
| Age 0 to 4 | 8.6% | 6.5% | 5.9% |
| Age 5 to 9 | 8.1% | 4.8% | 6.1% |
| Age 10 to 14 | 8.6% | 6.1% | 6.6% |
| Age 15 to 17 | 3.6% | 5.1% | 3.9% |
| Age 18 to 20 | 3.4% | 4.2% | 4.0% |
| Age 21 to 24 | 5.7% | 6.1% | 5.2% |
| Age 25 to 34 | 17.4% | 13.6% | 13.8% |
| Age 35 to 44 | 11.1% | 15.0% | 12.9% |
| Age 45 to 54 | 11.2% | 12.1% | 12.6% |
| Age 55 to 59 | 6.7% | 7.6% | 6.7% |
| Age 60 to 64 | 4.8% | 6.2% | 6.3% |
| Age 65 to 74 | 6.5% | 7.7% | 9.6% |
| Age 75 to 84 | 3.4% | 3.5% | 4.5% |
| Age 85 and over | 0.9% | 1.5% | 1.9% |
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| Race | | | |
| | Harrisburg, PA | East Hartford, CT | United States |
| White | 24.4% | 31.7% | 59.4% |
| Black | 44.0% | 24.4% | 12.2% |
| Asian | 2.6% | 3.3% | 5.6% |
| Native American | 0.2% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.1% | 0.0% | 0.2% |
| Other | 0.4% | 0.3% | 0.4% |
| Two or More Races | 3.3% | 3.5% | 3.2% |
| Hispanic | 25.1% | 36.7% | 18.4% |
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| Marriage & Family | | | |
| | Harrisburg, PA | East Hartford, CT | United States |
| Married Population | 31.4% | 39.3% | 49.8% |
| Currently Married | 27.3% | 37.4% | 48.0% |
| Married but Separated | 4.2% | 1.8% | 1.8% |
| Single Population | 68.6% | 60.7% | 50.2% |
| Never Married | 49.4% | 44.2% | 33.8% |
| Divorced | 13.0% | 12.2% | 10.8% |
| Widowed | 6.1% | 4.4% | 5.6% |
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| Household Size | 2.33 | 2.56 | 2.60 |
| Households | 20,953 | 19,647 | 124,010,992 |
| Family Households | 10,507 | 12,618 | 80,755,759 |
| Married couple, w/children | 15.0% | 23.9% | 30.5% |
| Married couple, no children | 26.1% | 30.1% | 42.9% |
| Non Family Households | 10,446 | 7,029 | 43,255,233 |
| Single householder, w/children | 40.0% | 25.7% | 15.8% |
| Single householder, no children | 18.9% | 20.2% | 10.8% |