Complex sentence: Castaic, California (2000 Census population 22,173 in the 91384 ZIP Code) is a Los Angeles County, USA unincorporated community north of Santa Clarita in Castaic Canyon a few miles north of the Santa Clarita Valley and Six Flags Magic Mountain amusement park.
Split into simpler sentences: Castaic, California (2000 Census population 22,173 in the 91384 ZIP Code) is an unincorporated community in Los Angeles County, USA. It os north of Santa Clarita in Castaic Canyon a few miles north of the Santa Clarita Valley and Six Flags Magic Mountain amusement park.