Pennsylvania County Maps

Find Pennsylvania county and township maps.

Allegheny County, Pennsylvania

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Allegheny County, Pennsylvania Map

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An detailed map of Allegheny County. Click on a nearby County to view more information about that County.

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Map of Townships in Allegheny County, Pennsylvania

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An interactive map of county subdivisions in Allegheny County. In Pennsylvania, that can include Townships, Boroughs, Towns, and Municipalities. Find what township you are in now.

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Map of Counties in Pennsylvania

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An interactive map of Counties in Pennsylvania. Click on a County to view more information about that County.

About Allegheny County, Pennsylvania

Allegheny County 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. Its county seat and most populous city is Pittsburgh, Pennsylvania's second most populous city. Allegheny County is the center of the Pittsburgh, PA metropolitan statistical area and the Pittsburgh media market.

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This site has an interactive map of Pennsylvania Counties. Click on the map to find your Pennsylvania county, and view more details. You can also search for your address and use your GPS to find your Pennsylvania County.

Find what County you are in, and see official Pennsylvania County resources and information. Find any county in the United Stated, along with resources and links to official County websites. See a County map and local details. Looking for what county you are currently in? Find out on this map or use your device GPS to see what county you are in.