EntityQ1187804· pop 37· linked from 551 articlesMediaSign in to savecounty seat of Delaware County, Pennsylvania, United StatesConnectionsrace and ethnicity in the United States CensusEntityNether Providence TownshipEntityQuakersEntityEastern Time ZoneEntityPhiladelphia metropolitan areaEntityUpper Darby TownshipEntityMartin Luther King Jr.PersonPennsylvaniaEntitytime zoneEntityPhiladelphiaEntityWoodrow WilsonEntitygeographic coordinate systemEntityAmerican Civil WarConceptInternational Standard Book NumberEntityPittsburghEntityRepublican Party (United States)ConceptDemocratic Party (United States)ConceptU.S. stateEntityHarrisburgEntityDaylight saving timeConceptCategories1850 establishments in PennsylvaniaBoroughs in Delaware County, PennsylvaniaCounty seats in PennsylvaniaPopulated places established in 1681