South San Jose Hills is an unincorporated community and census-designated place in the San Gabriel Valley of Los Angeles County, California, United States. The population was 19,855 at the 2020 census, down from 20,551 at the 2010 census.
Geography
South San Jose Hills is an unincorporated, mainly residential community located on the southern end of the San Jose Hills, which forms a part of San Gabriel Valley.
South San Jose Hills is bounded by City of Industry to the south, La Puente to the west, West Covina to the north, and Walnut to the east. The community is accessible via the Pomona Freeway (State Route 60), which runs just south of the community. The ZIP code serving the community is 91744. Most addresses do not use South San Jose Hills as the city but rather La Puente, West Covina, or Valinda, depending on the location of the residence or business. Parts of the area are nicknamed Happy Homes, based on the former name of the development and on the street gang that later took that name.