| | Pittsburgh, PA | Youngstown, OH | United States |
| Population | 303,207 | 61,274 | 329,725,481 |
| Female Population | 51.1% | 50.0% | 50.5% |
| Male Population | 48.9% | 50.1% | 49.5% |
| Median Age | 33.7 | 38.7 | 38.4 |
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| Population - 2010 | 305,351 | 66,809 | 309,327,143 |
| Population - 2000 | 334,563 | 82,026 | 285,036,114 |
| Population - 1990 | 369,879 | 95,732 | 251,960,433 |
| Pop. 2000 to Now | -10.6% | -22.2% | 15.6% |
| Pop. 1990 to Now | -19.1% | -33.3% | 30.8% |
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| Population Density | 5,475.4 | 1,805.8 | 93.4 |
| Land Area | 55.4 | 33.9 | 3,531,905.4 |
| Water Area | 3.0 | 0.6 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Pittsburgh, PA | Youngstown, OH | United States |
| Age 0 to 4 | 4.6% | 6.1% | 5.9% |
| Age 5 to 9 | 3.9% | 5.7% | 6.1% |
| Age 10 to 14 | 3.9% | 5.8% | 6.6% |
| Age 15 to 17 | 2.4% | 4.2% | 3.9% |
| Age 18 to 20 | 7.6% | 5.4% | 4.0% |
| Age 21 to 24 | 8.7% | 6.1% | 5.2% |
| Age 25 to 34 | 21.2% | 12.6% | 13.8% |
| Age 35 to 44 | 11.7% | 11.6% | 12.9% |
| Age 45 to 54 | 9.5% | 11.4% | 12.6% |
| Age 55 to 59 | 5.6% | 6.2% | 6.7% |
| Age 60 to 64 | 6.1% | 7.4% | 6.3% |
| Age 65 to 74 | 8.8% | 10.2% | 9.6% |
| Age 75 to 84 | 4.0% | 4.6% | 4.5% |
| Age 85 and over | 2.2% | 2.7% | 1.9% |
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| Race | | | |
| | Pittsburgh, PA | Youngstown, OH | United States |
| White | 63.8% | 41.0% | 59.4% |
| Black | 22.7% | 41.2% | 12.2% |
| Asian | 5.6% | 0.7% | 5.6% |
| Native American | 0.1% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.4% | 0.3% | 0.4% |
| Two or More Races | 4.0% | 5.3% | 3.2% |
| Hispanic | 3.5% | 11.4% | 18.4% |
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| Marriage & Family | | | |
| | Pittsburgh, PA | Youngstown, OH | United States |
| Married Population | 32.3% | 27.9% | 49.8% |
| Currently Married | 30.4% | 25.5% | 48.0% |
| Married but Separated | 1.9% | 2.4% | 1.8% |
| Single Population | 67.7% | 72.1% | 50.2% |
| Never Married | 53.1% | 49.8% | 33.8% |
| Divorced | 9.2% | 14.5% | 10.8% |
| Widowed | 5.4% | 7.8% | 5.6% |
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| Household Size | 2.04 | 2.19 | 2.60 |
| Households | 137,747 | 25,954 | 124,010,992 |
| Family Households | 58,057 | 13,296 | 80,755,759 |
| Married couple, w/children | 21.9% | 13.0% | 30.5% |
| Married couple, no children | 42.5% | 29.8% | 42.9% |
| Non Family Households | 79,690 | 12,658 | 43,255,233 |
| Single householder, w/children | 19.9% | 38.9% | 15.8% |
| Single householder, no children | 15.7% | 18.3% | 10.8% |