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
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South San Francisco covers 9.2 sq mi of land at 7006 people per square mile.
About South San Francisco, CA
Housing cost is the defining feature of South San Francisco: the median home is valued at $1,160,100. With 64,487 residents, South San Francisco is a city in California.
Households take in a median $135,909, comfortably above the US median of $78,538. About 5.3% of residents live below the federal poverty level, below the national 12.4%. Housing is expensive: the median home is worth $1,160,100, with typical rent around $2,833.
Roughly 40.1% of adults have a bachelor’s, above the national 35.0%. A solid 16.5% of workers are based at home, above the national 14.0%, and the average commute runs about 27 minutes each way.
High housing values reframe the income picture in South San Francisco — even solid earnings stretch less against home prices and rents at this level.
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% |
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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).
Where to stay in South San Francisco
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.