Allegheny County

Allegheny County

About

Allegheny County is a county in the southwestern quarter of the U.S. state of Pennsylvania. As of 2014 the population was 1,231,225, making it the second-most populous county in Pennsylvania, following Philadelphia County. The county seat is Pittsburgh. Allegheny County is included in the Pittsburgh, PA Metropolitan Statistical Area. The county is in the Pittsburgh Designated Market Area.

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Location

Pennsylvania United States

Coordinates

40.46976° N, 79.98045° W