Vista (vĭsˈtə) [key], uninc. city (1990 pop. 71,872), San Diego co., SW Calif., near the Pacific coast, in an agricultural and resort area; inc. 1963. Its manufactures include metal and plastic products, electronic equipment, consumer goods, and computer supplies. Vista has grown tremendously along with the San Diego metropolitan area; its population nearly tripled in the late 20th cent.