South San Francisco, CA Census Data
Key demographic and economic indicators for South San Francisco, California from the 2023 American Community Survey (ACS) 5-year estimates.
Updated: 2026-03-23 · Source: U.S. Census Bureau, ACS 2023
Population
64,487
50.7% male · 49.3% female
Median Age
42.4
3.7 above the national average (38.7 yrs)
Median Household Income
$135,909
57,371.0 above the national average ($78,538)
Bachelor's Degree or Higher
40.1%
5.1 above the national average (35.0%)
HS diploma or higher: 86.3%
Poverty Rate
7.1%
5.3 below the national average (12.4%)
Uninsured: 3.4%
Broadband Access
95.7%
6.0 above the national average (89.7%)
Median Home Value
$1,160,100
Median rent: $2,833 · 61% owner-occupied
Unemployment Rate
2.5%
Labor force participation: 66.6%
Demographics
Race & Ethnicity
Age Distribution
Commute to Work
South San Francisco, CA Frequently Asked Questions
What is the population of South San Francisco, CA?
The population of South San Francisco, CA is 64,487 according to the 2023 American Community Survey 5-year estimates. The median age is 42.4 years.
What is the median household income in South San Francisco?
The median household income in South San Francisco, CA is $135,909, above the national average of $78,538. Per capita income is $61,079.
What is the poverty rate in South San Francisco?
The poverty rate in South San Francisco, CA is 7.1%, compared to the national average of 12.4%. About 3.4% of residents lack health insurance.
What percentage of South San Francisco residents have a college degree?
40.1% of adults (25+) in South San Francisco hold a bachelor's degree or higher, and 86.3% have at least a high school diploma. The national average for bachelor's degree holders is 35.0%.
What is the median home value in South San Francisco?
The median home value in South San Francisco, CA is $1,160,100. Median rent is $2,833 per month, with 61% of housing units owner-occupied.
What is the racial makeup of South San Francisco?
South San Francisco's population is 26.6% White, 1.7% Black, 30.8% Hispanic or Latino, and 43.0% Asian (source: 2023 ACS).