1 definition found chino hills - U.S. Gazetteer (1990) : Chino Hills, CA (CDP, FIPS 13214) Location: 33.97479 N, 117.74865 W Population (1990): 27608 (9757 housing units) Area: 40.2 sq km (land), 0.0 sq km (water) Zip code(s): 91709