Pittsburgh is a city in Allegheny County, Pennsylvania, United States, and its county seat. The city is located in southwestern Pennsylvania at the confluence of the Allegheny River and Monongahela River, which combine to form the Ohio River. It is the second-most populous city in Pennsylvania with a population of 302,971 at the 2020 census, while the Pittsburgh metropolitan area at over 2.43 million residents is the largest metropolitan area in both the Ohio Valley and Appalachia, the second-largest in Pennsylvania, and 28th-largest in the U.S. The greater Pittsburgh–Weirton–Steubenville combined statistical area includes parts of Ohio and West Virginia.
Save
Share
More
