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Pittsburgh (/ ˈ p ɪ t s b ɜːr ɡ / PITS-burg) is a city in and the county seat of Allegheny County, Pennsylvania, United States. It is the second-most populous city in Pennsylvania (after Philadelphia) and the 68th-most populous city in the U.S., with a population of 302,971 as of the 2020 census.
The black population in Pittsburgh jumped from 6,000 in 1880 to 27,000 in 1910. Many took highly paid, skilled jobs in the steel mills. Pittsburgh's black population increased to 37,700 in 1920 (6.4% of the total) while the black element in Homestead, Rankin, Braddock, and others nearly doubled.
Greater Pittsburgh is the metropolitan area surrounding the city of Pittsburgh in Western Pennsylvania, United States. [4] The region includes Allegheny County, Pittsburgh's urban core county and economic hub, and seven adjacent Pennsylvania counties: Armstrong, Beaver, Butler, Fayette, Lawrence, Washington, and Westmoreland in Western Pennsylvania, which constitutes the Pittsburgh, PA ...
The Pittsburgh Survey (1907–1908) was a pioneering sociological study of the city of Pittsburgh, Pennsylvania, United States funded by the Russell Sage Foundation of New York City. It is widely considered a landmark of the Progressive Era reform movement.
About 1.31% of the population were Hispanic or Latino of any race. At the 2000 census, [39] there were 1,281,666 people, 537,150 households, and 332,495 families living in the county. The population density was 1,755 people per square mile (678 people/km 2). There were 583,646 housing units at an average density of 799 per square mile (308/km 2 ...
Pittsburgh grew into an important town West of the Alleghenies, although the Great Fire of Pittsburgh devastated the town in the 1840s. In 1834, Pennsylvania completed construction on the Main Line of Public Works , a railroad and canal system that stretched across southern Pennsylvania, connecting Philadelphia and Pittsburgh .
In the early 20th century the economy of Pittsburgh was primarily driven by the steel industry and the city had reached a population 321,616. [28] Throughout this period, Pittsburgh would see a spike in population and a slow decline at the end of the century. At one point Pittsburgh was the eighth-largest city in America.
Pittsburgh coal seam; Pittsburgh crime family; Pittsburgh flood of 1936; Pittsburgh gasometer explosion; Pittsburgh, Harmony, Butler and New Castle Railway; Pittsburgh History and Landmarks Foundation; Pittsburgh Mayoral Chief of Staff; Pittsburgh Platform; Pittsburgh Steam Engine Company; The Pittsburgh Survey; Pittsburgh toilet; Pittsburgh ...