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is a home rule municipality in Westmoreland County, Pennsylvania, United States. The population was 18,872 at the 2000 census, at which time it was a borough; it changed its status in August 2006.
Municipality of Murrysville is located at (40.434828, -79.656724). It is roughly 20 miles east of Pittsburgh, Pennsylvania on U.S. Route 22, just east of the county line that separates Westmoreland and Allegheny counties.
According to the United States Census Bureau, the borough had a total area of 36.9 square miles (95.7 km²), of which, 36.9 square miles (95.6 km²) of it is land and 0.03% is water.
The municipality contains the following boroughs and villages in addition to Murrysville: Delmont, Export, Newlonsburg, Sardis, and White Valley.