Greenville is a borough with home rule status in Mercer County, Pennsylvania, United States. Located along the Shenango River, it lies roughly 80 miles from both Pittsburgh and Cleveland. It is just under 2.0 square miles in area, and had a population of 5,919 in the 2010 U.S. census. Incorporated as the Borough of West Greenville in 1836, it changed its name to the Borough of Greenville in 1865 and began to operate under a home rule charter on January... Show more

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