San Francisco, CA Demographics
San Francisco, CA is the 4th most populous of 1611 cities in California, with 873,893 residents across 47 square miles. That is about 18,698 people per square mile.
At the 2020 census
| Population | 873,893 |
|---|---|
| Land area | 47 sq mi |
| Density | 18,698 / sq mi |
Data: 2020 Census · American Community Survey 2024
How San Francisco, CA compares to the US
We're computing this city's comparison table — check back shortly. Population, land area, and density above are already exact.
Central Location: San Francisco, CA
Measured from the city's main population center using 2020 census blocks.
We're computing the drive-time and radius areas around San Francisco, CA — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.
Related places
Other cities nearby
About this page
This page shows demographics for a US city from the 2020 census and the American Community Survey: population, land area, density, and how the city compares to national averages for income, housing, age, and more.
City statistics cover the municipal boundary only. For the wider region, see the containing metro area; for a custom area, open the city in the radius tool and measure any distance or drive time around it.