South San Francisco, California Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of South San Francisco, California is 64,487 as of the 2023 American Community Survey, making it the 143rd-largest city in California. The median household income is $135,909, the median home value is $1,160,100, and the median age is 42.4.
The population has grown 1.5% since 2010 (63,701 → 64,660).
64,487
Population
7006
People / sq mi
$135,909
Median Income
$1,160,100
Median Home Value
South San Francisco covers 9.2 sq mi of land at 7006 people per square mile.
About South San Francisco, CA
South San Francisco is a city in California with a population of 64,487. It ranks #143 among cities in California by population. The median age is 42.4, older than the national median. The population is 50.7% male and 49.3% female.
The median household income in South San Francisco is $135,909, above the US median of $74,580. 5.3% of residents live below the federal poverty level. Home values sit at a median of $1,160,100, with monthly rent averaging $2,833. The homeownership rate of 60.8% is lower than the national rate of 64.8%.
Educational attainment in South San Francisco reflects 40.1% of adults 25 and older holding a bachelor's degree or higher, above the national average of 34.3%. Roughly 16.5% of workers primarily work from home, similar to the national work-from-home rate of 14.2%. The average commute is 27.2 minutes each way.
South San Francisco city Population History (2010-2024)
The city of South San Francisco city had a population of 63,701 in 2010 and 64,660 in 2024, a 1.5% growth over 14 years. The peak was 67,789 in 2019. Average annual growth rate: 0.12%.
64,660
Population (2024)
63,701
Population (2010)
67,789
Peak (2019)
0.12%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 63,701 |
| 2011 | 64,448 |
| 2012 | 65,581 |
| 2013 | 66,237 |
| 2014 | 66,813 |
| 2015 | 67,221 |
| 2016 | 67,220 |
| 2017 | 67,180 |
| 2018 | 67,617 |
| 2019 | 67,789 |
| 2020 | 65,903 |
| 2021 | 63,822 |
| 2022 | 63,368 |
| 2023 | 63,738 |
| 2024 | 64,660 |
Race & Ethnicity
| White | 26.6% |
| Black or African American | 1.7% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 2.4% |
| Two or More Races | 0.3% |
Economy & Income
$135,909
Median Household Income
$61,431
Per Capita Income
5.3%
Poverty Rate
1.7%
Unemployment Rate
Housing
$1,160,100
Median Home Value
$2,833
Median Rent
60.8%
Owner-Occupied
Education
86.3%
High School+
40.1%
Bachelor's+
Commute
8.5%
Drive Alone
59.6%
Public Transit
16.5%
Work From Home
27.2 min
Avg Commute
Community Profile
8.2%
Foreign Born
47.0%
Non-English at Home
2.7%
Veterans
10.2%
With Disability
96.6%
Health Insurance
95.7%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 22.1% |
| Finance, Insurance & Real Estate | 17.9% |
| Education, Health Care & Social Services | 9.8% |
| Retail Trade | 7.2% |
| Manufacturing | 6.6% |
| Information | 5.9% |
| Arts, Entertainment & Food Services | 5.3% |
| Construction | 5.0% |
| Public Administration | 4.3% |
| Transportation & Warehousing | 2.4% |
| Agriculture & Mining | 0.3% |
Largest cities in California
Largest counties in California
Part of California
Metro areas in California
City rankings
Frequently Asked Questions
South San Francisco, California has a population of 64,487 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 143rd-largest city in California.
The median household income in South San Francisco, California is $135,909, with 5.3% of residents living below the federal poverty level.
The median home value in South San Francisco, California is $1,160,100, with median monthly rent at $2,833 and a homeownership rate of 60.8%.
The median age in South San Francisco, California is 42.4 years. The population is 50.7% male and 49.3% female.
The population has grown 1.5% since 2010 (63,701 → 64,660).
More from California
Population 3,857,897
Population 1,385,061
Population 990,054
Population 836,321
Population 543,615
Full rankings of California cities by population
Statewide data for California
Population, race, income, age, and trends across California
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.