EntityQ5677868· pop 16· linked from 199 articlesHarwickSign in to savehuman settlement in Springdale Township, Pennsylvania, United States of AmericaConnections2020 United States CensusEntityRoss TownshipEntityHarmar TownshipEntityOhioEntityPennsylvaniaEntityMarylandEntityWest VirginiaEntitytime zoneEntitygeographic coordinate systemEntityPittsburghEntityU.S. stateEntityDaylight saving timeConceptQ5390EntityUTC−04:00Entitytelephone numbering planEntityAllegheny CountyEntityWashington CountyEntityButler CountyEntityWestmoreland CountyEntityFayette CountyEntityCategoriesCensus-designated places in Allegheny County, PennsylvaniaCensus-designated places in Pennsylvania