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Learn about the history, geography, demographics, and government of Allegheny County, the second-most populous county in Pennsylvania. The county is home to Pittsburgh, the second most populous city in the state, and is part of the Greater Pittsburgh region.
2 days ago · Find information on elections, parks, real estate, court records, and more on the official web site of Allegheny County, PA. Explore programs, events, and activities for county residents and visitors.
Learn about the county executive, council, departments, and offices of Allegheny County, PA. Find information on elections, court, jail, records, police, and emergency services.
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.
Discover the best things to see and do in Allegheny County, home to Pittsburgh and its 446 bridges. Explore museums, historic sites, parks, waterfalls, and more in this diverse and dynamic 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.
