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.
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.
South San Gabriel first appeared as an unincorporated place in the 1970 U.S. census; and as a census designated place in the 1980 United States census. Prior to 1970, it was included in the unincorporated area of the Southwest San Gabriel Valley census county division (1960 pop. 205,950).
The 2020 United States census reported that South San Gabriel had a population of 7,920. The population density was . The racial makeup was 9.5% White, 0.9% African American, 1.3% Native American, 57.8% Asian, 0.1% Pacific Islander, 18.0% from other races, and 12.4% from two or more races. Hispanic or Latino of any race were 35.9% of the population.
The census reported that 97.3% of the population lived in households, 0.3% lived in non-institutionalized group quarters, and 2.4% were institutionalized.
There were 2,340 households, out of which 30.6% included children under the age of 18, 50.4% were married-couple households, 4.9% were cohabiting couple households, 27.6% had a female householder with no partner present, and 17.1% had a male householder with no partner present. 14.7% of households were one person, and 8.0% were one person aged 65 or older. The average household size was 3.29. There were 1,884 families (80.5% of all households).
The age distribution was 16.5% under the age of 18, 8.2% aged 18 to 24, 25.3% aged 25 to 44, 28.2% aged 45 to 64, and 21.8% who were 65years of age or older. The median age was 45.0years. For every 100 females, there were 95.1 males.
There were 2,423 housing units at an average density of , of which 2,340 (96.6%) were occupied. Of these, 67.1% were owner-occupied, and 32.9% were occupied by renters.
In 2023, the US Census Bureau estimated that the median household income was $76,921, and the per capita income was $27,931. About 4.3% of families and 5.4% of the population were below the poverty line.
At the 2010 census South San Gabriel had a population of 8,070. The population density was . The racial makeup of South San Gabriel was 2,198 (27.2%) White (5.6% Non-Hispanic White), 83 (1.0%) African American, 56 (0.7%) Native American, 3,990 (49.4%) Asian, 4 (0.0%) Pacific Islander, 1,427 (17.7%) from other races, and 312 (3.9%) from two or more races. Hispanic or Latino of any race were 3,444 persons (42.7%).
The census reported that 7,834 people (97.1% of the population) lived in households, 7 (0.1%) lived in non-institutionalized group quarters, and 229 (2.8%) were institutionalized.
There were 2,249 households, 874 (38.9%) had children under the age of 18 living in them, 1,249 (55.5%) were opposite-sex married couples living together, 393 (17.5%) had a female householder with no husband present, 211 (9.4%) had a male householder with no wife present. There were 96 (4.3%) unmarried opposite-sex partnerships, and 15 (0.7%) same-sex married couples or partnerships. 308 households (13.7%) were one person and 150 (6.7%) had someone living alone who was 65 or older. The average household size was 3.48. There were 1,853 families (82.4% of households); the average family size was 3.76.
The age distribution was 1,648 people (20.4%) under the age of 18, 737 people (9.1%) aged 18 to 24, 2,108 people (26.1%) aged 25 to 44, 2,225 people (27.6%) aged 45 to 64, and 1,352 people (16.8%) who were 65 or older. The median age was 40.5 years. For every 100 females, there were 92.9 males. For every 100 females age 18 and over, there were 90.0 males.
There were 2,353 housing units at an average density of 2,823.8 per square mile, of the occupied units 1,597 (71.0%) were owner-occupied and 652 (29.0%) were rented. The homeowner vacancy rate was 1.1%; the rental vacancy rate was 4.8%. 5,545 people (68.7% of the population) lived in owner-occupied housing units and 2,289 people (28.4%) lived in rental housing units.
South San Gabriel is served by Montebello Unified School District, Garvey School District, and Alhambra Unified School District. The local area is divided among the three school districts.
Public schools that are zoned to serve South San Gabriel include:
In the state legislature, South San Gabriel is located in , and in . Federally, South San Gabriel is located in .
The Los Angeles County Sheriff's Department (LASD) operates the Temple Station in Temple City, serving South San Gabriel.