EntityQ3887990· pop 13· linked from 90 articlesAntietamSign in to savehuman settlement in Maryland, United States of AmericaConnections2020 United States CensusEntitycityEntityMarylandEntitytime zoneEntitygeographic coordinate systemEntityU.S. stateEntityDaylight saving timeConcepttownEntityQ5390EntityUTC−04:00EntityUnited States Census BureauEntitytelephone numbering planEntityHagerstownEntityWashington CountyEntityEastern Time ZoneEntityNational Park ServiceEntityunincorporated areaEntitycensus-designated place in the United StatesEntityNational Register of Historic PlacesEntityZIP codeEntityCategoriesCensus-designated places in MarylandCensus-designated places in Washington County, MarylandUnincorporated communities in MarylandUnincorporated communities in Washington County, Maryland