Allegheny County, Pennsylvania
Allegheny County is a county in Pennsylvania with an estimated population of 1,224,825 in 2023. 84 cities, towns and Census places in it are indexed here.
Largest places in Allegheny County
Pittsburgh 303,255Bethel Park 32,398Monroeville 27,974Plum 26,391Baldwin 20,708West Mifflin 18,916McKeesport 17,132Franklin Park 15,024Whitehall 14,615Wilkinsburg 13,813Jefferson Hills 12,178Munhall 10,380Brentwood 9,706Pleasant Hills 8,322Swissvale 8,290Castle Shannon 8,101Bellevue 8,000Dormont 7,930Carnegie 7,847White Oak 7,346Oakmont 6,626West View 6,437Forest Hills 6,189Clairton 5,949Crafton 5,866McKees Rocks 5,695Coraopolis 5,344Fox Chapel 5,180Duquesne 5,072Turtle Creek 4,929Green Tree 4,755Bridgeville 4,622Avalon 4,588Glassport 4,301Tarentum 4,187North Braddock 4,153Sewickley 3,772Port Vue 3,568Etna 3,309Springdale 3,273
About Allegheny County
Allegheny County is one of the counties of Pennsylvania. County governments in Pennsylvania handle local services such as courts, property records and elections; cities and towns inside the county run their own municipal services. Population figures come from the Census Bureau's Vintage 2023 estimates, which are updated annually.