EntityQ2282491· pop 26· linked from 90 articlesRockcreekSign in to saveunincorporated community in Washington County, Oregon, United StatesConnectionsrace and ethnicity in the United States CensusEntityUnited States Census BureauEntityWashington CountyEntitymarriageEntityOregonEntitytime zoneEntitygeographic coordinate systemEntityPortlandEntityU.S. stateEntityDaylight saving timeConceptcensusEntityUTC−08:00EntityUTC−07:00Entitytelephone numbering planEntityBeavertonEntityghost townEntityHillsboroEntitypoverty lineEntityLake OswegoEntityForest GroveEntityCategoriesCensus-designated places in OregonCensus-designated places in Washington County, OregonPortland metropolitan areaUnincorporated communities in OregonUnincorporated communities in Washington County, Oregon