EntityQ1182315· pop 20· linked from 875 articlesUpper St. ClairSign in to savehome rule municipality in Allegheny County, Pennsylvania, United StatesConnectionsrace and ethnicity in the United States CensusEntityRoss TownshipEntityO'Hara TownshipEntityHarmar TownshipEntityOhioEntityPennsylvaniaEntityMarylandEntityWest VirginiaEntitytime zoneEntityCatholic ChurchEntityPhiladelphiaEntitygeographic coordinate systemEntityInternational Standard Book NumberEntityPittsburghEntityRepublican Party (United States)ConceptDemocratic Party (United States)ConceptU.S. stateEntityUnited States ConstitutionEntityDaylight saving timeConceptcensusEntityCategoriesHome Rule Municipalities in Allegheny County, PennsylvaniaPittsburgh metropolitan areaTownships in Allegheny County, Pennsylvania