Rochester is a borough in Beaver County, Pennsylvania, United States. Located 25 miles (40 km) northwest of Pittsburgh, it is part of the Pittsburgh metropolitan area. The population was 3,657 at the 2010 census.
Like many places around Pittsburgh, Rochester was a former industrial hub, home to the H. C. Fry Glass Company, and was a major junction on the Pennsylvania Railroad. Recently, Rochester has been a background for films, including the 1986 movie Gung Ho, the 1996 movie Kingpin, and the 2000 movie Wonder Boys.