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Allegheny County (/ ˌ æ l ɪ ˈ ɡ eɪ n i / AL-ig-AY-nee) is a county in Pennsylvania, United States. As of the 2020 census, the population was 1,250,578, making it the state's second-most populous county , after Philadelphia County .
3 days ago · The official web site of Allegheny County, PA which provides information on services, licenses, records and permits for our citizens and businesses.
Explore information about the Allegheny County government, including county elections, the Allegheny County Court system, emergency services, employment opportunities, and more.
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 best things to see and do in Allegheny County, Pennsylvania. Includes Pittsburgh and surrounding areas in the county.
Sep 11, 2024 · Allegheny, county, southwestern Pennsylvania, U.S., consisting of a hilly region on the Allegheny Plateau bounded to the southeast by the Monongahela and Youghiogheny rivers and to the northeast by the Allegheny River. The Ohio, Allegheny, and Monongahela rivers converge in the centre of the county.
Display Sources. Questions on how to use data.census.gov or to provide feedback, please contact census.data@census.gov. Allegheny County, Pennsylvania has 730.0 square miles of land area and is the 29th largest county in Pennsylvania by total area.
