EntityQ1112702· pop 31· linked from 167 articlesColumbineSign in to savecensus-designated place in Jefferson and Arapahoe counties in Colorado, United StatesConnectionsUnited States Census BureauEntityunincorporated areaEntityMountain Time ZoneEntityUnited StatesCountrycityEntityColoradoEntitytime zoneEntityDenverEntitygeographic coordinate systemEntityU.S. stateEntityDaylight saving timeConceptAfrican AmericansEntitytownEntityAuroraEntityUTC−07:00Entityspace raceEntityUTC−06:00EntityLockheed MartinEntityLakewoodEntityArvadaEntityCategoriesCensus-designated places in Arapahoe County, ColoradoCensus-designated places in ColoradoCensus-designated places in Jefferson County, ColoradoDenver metropolitan area