| Metropolitan Area Residents |
| 1980: | 2,219,000 |
| 1990: | 2,394,811 |
| 2000: | 2,358,695 |
| Percent change, 1990–2000: | -1.5% |
| U.S. rank in 1980: | 13th |
| U.S. rank in 1990: | 19th |
| U.S. rank in 2000: | 20th |
| City Residents |
| 1980: | 423,959 |
| 1990: | 369,879 |
| 2000: | 334,563 |
| 2003 estimate: | 325,337 |
| Percent change, 1990–2000: | -9.5% |
| U.S. rank in 1980: | 30th |
| U.S. rank in 1990: | 40th (State rank: 2nd) |
| U.S. rank in 2000: | 54th (State rank: 2nd) |
| Density: | 6,019 people per square mile (2000) |
| Racial and ethnic characteristics: | (2000) |
| White | 226,258 |
| Black or African American | 90,750 |
| American Indian and Alaska Native | 628 |
| Asian | 9,195 |
| Native Hawaiian and Pacific Islander | 111 |
| Hispanic or Latino (may be of any race) | 4,425 |
| Other | 2,218 |
| Percent of residents born in state: | 78.1% (2000) |
| Age characteristics | (2000) |
| Population under 5 years old | 17,607 |
| Population 5 to 9 years old | 19,004 |
| Population 10 to 14 years old | 18,907 |
| Population 15 to 19 years old | 25,881 |
| Population 20 to 24 years old | 34,570 |
| Population 25 to 34 years old | 48,860 |
| Population 35 to 44 years old | 46,870 |
| Population 45 to 54 years old | 41,082 |
| Population 55 to 59 years old | 14,142 |
| Population 60 to 64 years old | 12,606 |
| Population 65 to 74 years old | 26,483 |
| Population 75 to 84 years old | 21,362 |
| Population 85 years and older | 7,189 |
| Median age | 35.5 years old |
| Births | (2002, Allegheny County) |
| Total number | 13,469 |
| Deaths | (2002, Allegheny County) |
| Total number | 15,100 (of which 106 were infants under the age of 1 year) |
| Money income | (1999) |
| Per capita income | $18,816 |
| Median household income | $28,588 |
| Total households | 143,752 |
| Number of households with income of . . . | |
| Less than $10,000 | 25,927 |
| $10,000 to $14,999 | 13,668 |
| $15,000 to $24,999 | 24,606 |
| $25,000 to $34,999 | 19,228 |
| $35,000 to $49,999 | 21,441 |
| $50,000 to $74,999 | 20,482 |
| $75,000 to $99,999 | 8,366 |
| $100,000 to $149,999 | 5,843 |
| $150,000 to $199,999 | 1,797 |
| $200,000 or more | 2,394 |
| Percent of families below poverty level: | 15% (57.9% of which were female householder families with children under 5 years) |
| 2002 FBI Crime Index Total: | 19,737 |
