EntityQ3887456· pop 16· linked from 104 articlesJeffersonSign in to saveunincorporated community in Frederick County, MarylandConnectionsFrederickEntityBrunswickEntity2020 United States CensusEntityMarylandEntitytime zoneEntitygeographic coordinate systemEntityU.S. stateEntityDaylight saving timeConceptAfrican AmericansEntitytownEntityQ5390EntityUTC−04:00EntityUnited States Census BureauEntitytelephone numbering planEntityHagerstownEntityFrederick CountyEntityNative Americans in the United StatesEntityEastern Time ZoneEntityunincorporated areaEntitycensus-designated place in the United StatesEntityCategories1774 establishments in MarylandCensus-designated places in Frederick County, MarylandCensus-designated places in MarylandPopulated places established in 1774