How many people live in San Francisco County, CA?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 827,500 people living in San Francisco County, CA. That makes San Francisco County the 13th-most populous county in California. It is home to 2.1% of people living in the state.
828K
population of San Francisco County, CA (2024)
2.1%
County share of the California population (2024)
About 827,500 people lived in San Francisco County, CA in 2024.
Population estimates, 2000–2024
What are San Francisco County, CA’s age demographics?
About 152,700 San Francisco County, CA residents are aged 65 and older in 2024. That represents 18.5% of its population. For comparison, the age group represents 16.6% of California’s population and 18% in the US overall.
Another 111,800 San Francisco County, CA residents, or 13.5% of the population, were children under 18. For comparison, the age group represents 21.4% of California’s population and 21.6% in the US overall.
A higher share of San Francisco County, CA's population is aged 25–44 than the US as a whole.
Population estimates by age group, (2024)
What are San Francisco County, CA’s racial and ethnic demographics?
Non-Hispanic Asian residents make up 36.6% of the San Francisco County, CA population, higher than the national share of 6.5%. San Francisco County, CA also has a larger share of people identifying as non-Hispanic two or more races (4%) than the US overall (2.5%).
In contrast, San Francisco County’s non-Hispanic white population accounts for 37%, below the 57.5% nationwide, and the non-Hispanic Black or African American population makes up 5% of the county, compared with 12.6% nationally.
Racial and ethnic make up differ based on location. These figures reflect how people identified their race alone (not in combination with other races), and separate out Hispanic or Latino ethnicity, following Census reporting standards.
San Francisco County, CA has a higher share of a non-Hispanic Asian population than California as a whole.
Population estimates by race and ethnicity, (2024)
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Methodology
USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.
The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.
Page sources
USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.
