Allegheny County, Pennsylvania - Wikipedia
https://en.wikipedia.org/wiki/Allegheny_County,_Pennsylvania
WebAllegheny 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]
DA: 4 PA: 26 MOZ Rank: 42