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Allegheny County


Why do ballot counts take so long? Allegheny County executive explains


WATCH: Allegheny County, Pennsylvania election officials give update on ballot counting


Allegheny County Health Department Issues Stay-At-Home Public Health Advisory


Allegheny County Elections Warehouse Tour


Allegheny County Finishes Mail-In Ballot Count

Allegheny County is a county in the southwest of the U.S. state of Pennsylvania. As of 2016 the population was 1,225,365, making it the state's second-most populous county, following Philadelphia County. The county seat is Pittsburgh. Allegheny County is included in the Pittsburgh, PA Metropolitan Statistical Area, and in the Pittsburgh Designated Market Area.
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