EntityQ1184170· pop 20· linked from 165 articlesJeffersonSign in to saveborough of York County, PennsylvaniaConnectionsrace and ethnicity in the United States CensusEntity2020 United States CensusEntityPennsylvaniaEntitymarriageEntityThomas JeffersonEntitytime zoneEntitygeographic coordinate systemEntityU.S. stateEntityDaylight saving timeConceptcensusEntityQ5390EntityUTC−04:00EntityUnited States Census BureauEntitytelephone numbering planEntitypoverty lineEntityYork CountyEntityYorkEntitypost officeEntityEastern Time ZoneEntityunincorporated areaEntityCategories1866 establishments in PennsylvaniaBoroughs in York County, PennsylvaniaPopulated places in the United States established in 1812