| | Morgantown, WV | Pittsburgh, PA | United States |
| Population | 29,316 | 303,207 | 329,725,481 |
| Female Population | 45.5% | 51.1% | 50.5% |
| Male Population | 54.6% | 48.9% | 49.5% |
| Median Age | 24.4 | 33.7 | 38.4 |
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| Population - 2010 | 28,638 | 305,351 | 309,327,143 |
| Population - 2000 | 26,809 | 334,563 | 285,036,114 |
| Population - 1990 | 25,879 | 369,879 | 251,960,433 |
| Pop. 2000 to Now | 15.1% | -10.6% | 15.6% |
| Pop. 1990 to Now | 19.2% | -19.1% | 30.8% |
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| Population Density | 2,936.3 | 5,475.4 | 93.4 |
| Land Area | 10.0 | 55.4 | 3,531,905.4 |
| Water Area | 0.4 | 3.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Morgantown, WV | Pittsburgh, PA | United States |
| Age 0 to 4 | 3.1% | 4.6% | 5.9% |
| Age 5 to 9 | 3.1% | 3.9% | 6.1% |
| Age 10 to 14 | 3.0% | 3.9% | 6.6% |
| Age 15 to 17 | 1.1% | 2.4% | 3.9% |
| Age 18 to 20 | 23.0% | 7.6% | 4.0% |
| Age 21 to 24 | 18.1% | 8.7% | 5.2% |
| Age 25 to 34 | 14.9% | 21.2% | 13.8% |
| Age 35 to 44 | 8.8% | 11.7% | 12.9% |
| Age 45 to 54 | 7.3% | 9.5% | 12.6% |
| Age 55 to 59 | 3.6% | 5.6% | 6.7% |
| Age 60 to 64 | 4.5% | 6.1% | 6.3% |
| Age 65 to 74 | 6.1% | 8.8% | 9.6% |
| Age 75 to 84 | 2.2% | 4.0% | 4.5% |
| Age 85 and over | 1.2% | 2.2% | 1.9% |
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| Race | | | |
| | Morgantown, WV | Pittsburgh, PA | United States |
| White | 83.7% | 63.8% | 59.4% |
| Black | 5.0% | 22.7% | 12.2% |
| Asian | 3.4% | 5.6% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.7% | 0.4% | 0.4% |
| Two or More Races | 3.6% | 4.0% | 3.2% |
| Hispanic | 3.6% | 3.5% | 18.4% |
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| Marriage & Family | | | |
| | Morgantown, WV | Pittsburgh, PA | United States |
| Married Population | 27.8% | 32.3% | 49.8% |
| Currently Married | 26.7% | 30.4% | 48.0% |
| Married but Separated | 1.1% | 1.9% | 1.8% |
| Single Population | 72.2% | 67.7% | 50.2% |
| Never Married | 62.4% | 53.1% | 33.8% |
| Divorced | 7.2% | 9.2% | 10.8% |
| Widowed | 2.6% | 5.4% | 5.6% |
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| Household Size | 2.12 | 2.04 | 2.60 |
| Households | 11,637 | 137,747 | 124,010,992 |
| Family Households | 4,756 | 58,057 | 80,755,759 |
| Married couple, w/children | 22.3% | 21.9% | 30.5% |
| Married couple, no children | 46.9% | 42.5% | 42.9% |
| Non Family Households | 6,881 | 79,690 | 43,255,233 |
| Single householder, w/children | 14.3% | 19.9% | 15.8% |
| Single householder, no children | 16.5% | 15.7% | 10.8% |