South San Francisco, CA Census Data
The 143rd largest city in California by population · 188 cities ranked
South San Francisco is the 143rd largest city in California by population and ranks 30th of 188 for median household income. With 64,487 residents, it has a lower poverty rate than 155 other California cities. This snapshot draws from the 2023 American Community Survey (ACS) 5-year estimates.
Updated: 2026-04-13 · 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 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%
Per Capita Income
$61,079
Individual average income (not household)
Veteran Population
2.7%
Disability rate: 10.2%
How South San Francisco Compares to Other California Cities
Rankings among all 188 California cities tracked in the 2023 ACS.
| Ranking | Position | Tier |
|---|---|---|
| Largest by Population | 143rd of 188 | Bottom 25% |
| Highest Median Income | 30th of 188 | Top 25% |
| Lowest Poverty Rate | 33rd of 188 | Top 25% |
| Highest Bachelor's Attainment | 66th of 188 | Top half |
| Highest Home Value | 26th of 188 | Top 25% |
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).
How does South San Francisco rank among California cities?
South San Francisco is the 143rd largest city in California by population, the 30th highest for median household income, the 33rd lowest for poverty rate, the 66th highest for bachelor's degree attainment among 188 ranked California cities.
What is the unemployment rate in South San Francisco?
The unemployment rate in South San Francisco, CA is 2.5%, with a labor force participation rate of 66.6%. Per capita income is $61,079.
Cities Similar to South San Francisco
Other California cities with comparable population and income levels.