Allegheny County, Pennsylvania - Wikipedia
https://en.wikipedia.org/wiki/Allegheny_County,_Pennsylvania
WEBAllegheny County (/ ˌ æ l ɪ ˈ ɡ eɪ n i / AL-ig-AY-nee) is a county in Pennsylvania, United States. It is located in Southwestern Pennsylvania. As of the 2020 census, the population was 1,250,578, making it the state's second-most populous county, after Philadelphia County.
DA: 62 PA: 23 MOZ Rank: 30