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Allegheny County, PA

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. Wikipedia*

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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..

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