EntityQ6110281· pop 19· linked from 24 articlesRock HillSign in to saveunincorporated community and census-designated place in Grant Parish, Louisiana, United StatesConnectionsUnited States Census BureauEntitycensus-designated place in the United StatesEntity2010 United States CensusEntity2020 United States CensusEntityLouisianaEntitytime zoneEntitygeographic coordinate systemEntityDaylight saving timeConcepttownEntityQ5390EntityUTC−06:00EntityAlexandriaEntityGrant ParishEntityunincorporated areaEntityIndian reservation of the United StatesEntityZIP codeEntitycounty seatEntityGeographic Names Information SystemEntityFederal Information Processing StandardEntityColfaxEntityCategoriesCensus-designated places in Grant Parish, LouisianaCensus-designated places in Louisiana