Monongahela is located in Washington County, PA. The population is 4,305, making Monongahela the 6th largest city in Washington County.
There are 0 public schools in Monongahela with an average Homefacts rating of C+. The total crime rate for Monongahela is low , and there are 20 registered sex offenders residing in the city. Unemployment in Monongahela is very high and the median home sales price is $0. Detailed and up-to-date Monongahela property reports are available for any property address.
Cities near Monongahela include Wickerham Manor Fisher, Carroll Township and Baidland.