EntityQ5751863· pop 15· linked from 49 articlesHidden LakeSign in to savecensus-designated place in Boulder County, ColoradoConnectionsBoulder CountyEntityZIP codeEntity2010 United States CensusEntity2020 United States CensusEntityMountain Time ZoneEntityUnited StatesCountrycityEntityColoradoEntitytime zoneEntitygeographic coordinate systemEntityRocky MountainsEntityU.S. stateEntityDaylight saving timeConcepttownEntityBoulderEntityUTC−07:00EntityUTC−06:00EntityUnited States Census BureauEntitytelephone numbering planEntityghost townEntityCategoriesCensus-designated places in Boulder County, ColoradoCensus-designated places in ColoradoDenver metropolitan area