South San Gabriel is a census-designated place (CDP) in the San Gabriel Valley of Los Angeles County, California, United States. The population was 7,920 at the 2020 census, down from 8,070 at the 2010 census.
Geography
South San Gabriel is located at (34.049060, -118.095150).
According to the United States Census Bureau, the CDP has a total area of 0.8 square miles (2.2 km), over 99% of it land.
