Valle Vista is a unincorporated area in Riverside County, California, United States and is located in the San Jacinto Valley. Valle Vista is adjacent to and east of the cities of San Jacinto and Hemet. The population was 11,036 at the 2010 census, up from 8,356 at the 2000 census. For statistical purposes, the United States Census Bureau has defined Valle Vista as a census-designated place.