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Allegheny County ( / ˌælɪˈɡeɪni / 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. Its county seat and most populous city is Pittsburgh, Pennsylvania's second most populous city. [2]
The official web site of Allegheny County, PA which provides information on services, licenses, records and permits for our citizens and businesses.
The best things to see and do in Allegheny County, Pennsylvania. Includes Pittsburgh and surrounding areas in the county.
Pittsburgh (/ ˈ p ɪ t s b ɜːr ɡ / PITS-burg) is a city in the Commonwealth of Pennsylvania and the county seat of Allegheny County. 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.
In 2021, Allegheny County, PA had a population of 1.25M people with a median age of 40.7 and a median household income of $66,659. Between 2020 and 2021 the population of Allegheny County, PA grew from 1.22M to 1.25M, a 2.28% increase and its median household income grew from $62,320 to $66,659, a 6.96% increase.
Jul 1, 2023 · Allegheny County, Pennsylvania; Pennsylvania; United States. QuickFacts provides statistics for all states and counties. Also for cities and towns with a population of 5,000 or more.
Allegheny County is Pittsburgh’s County. The most urban of the region’s 10 counties is Allegheny, with Pittsburgh as the county seat. Home to a major transportation asset, the Pittsburgh International Airport not only connects the region to the world, but also is where Neighborhood 91 is rising as an additive manufacturing epicenter first.
