EntityQ754532· pop 20· linked from 69 articlesGreen ValleySign in to savetown in Frederick County, Maryland, United StatesConnectionsrace and ethnicity in the United States CensusEntityunincorporated areaEntitycensus-designated place in the United StatesEntity2020 United States CensusEntityUnited StatesCountryWashington, D.C.EntitymarriageEntityMarylandEntitytime zoneEntitygeographic coordinate systemEntityU.S. stateEntityDaylight saving timeConceptAfrican AmericansEntitytownEntityAlexandriaEntityArlington CountyEntityQ5390EntityUTC−04:00Entitycounty of the United StatesEntityUnited States Census BureauEntityCategoriesCensus-designated places in Frederick County, MarylandCensus-designated places in Maryland