EntityQ1180880· pop 29· linked from 878 articlesWest MifflinSign in to saveborough in Allegheny County, Pennsylvania, United StatesConnectionsrace and ethnicity in the United States CensusEntityPennsylvaniaEntityBaldwinEntityBraddockEntityRoss TownshipEntityHarmar TownshipEntityKennywoodEntityOhioEntitymarriageEntityMarylandEntityWest VirginiaEntitytime zoneEntityPhiladelphiaEntitygeographic coordinate systemEntityPittsburghEntityRepublican Party (United States)ConceptDemocratic Party (United States)ConceptU.S. stateEntityHarrisburgEntityDaylight saving timeConceptCategories1942 establishments in PennsylvaniaBoroughs in Allegheny County, PennsylvaniaPennsylvania populated places on the Monongahela RiverPittsburgh metropolitan areaPopulated places established in 1788Superfund sites in Pennsylvania