Westlake Village first appeared as a city in the 1990 U.S. Census, part of the Calabasas census community division (CCD).
WeSTlake vIllaGe fiRSt aPpeared as a citY In the 1990 u.S. CeNSuS, ParT of thE calabAsas cENSUS CommuniTy DiviSiON (ccd).