San Jose-San Francisco-Oakland, CA Combined Statistical Area Demographics
San Jose-San Francisco-Oakland, CA Combined Statistical Area is the 5th most populous of 184 combined statistical areas in the United States, with 9,224,984 residents across 11,995 square miles. That is about 769 people per square mile.
At the 2020 census
| Population | 9,224,984 |
|---|---|
| Land area | 11,995 sq mi |
| Density | 769 / sq mi |
Data: 2020 Census · American Community Survey 2024
How San Jose-San Francisco-Oakland, CA Combined Statistical Area compares to the US
We're computing this combined statistical area's comparison table — check back shortly. Population, land area, and density above are already exact.
Central Location: San Jose-San Francisco-Oakland, CA Combined Statistical Area
Measured from the combined statistical area's main population center using 2020 census blocks.
We're computing the drive-time and radius areas around San Jose-San Francisco-Oakland, CA Combined Statistical Area — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.
Counties in the San Jose-San Francisco-Oakland, CA Combined Statistical Area area
| Name | Population | Sq mi | Per sq mi |
|---|---|---|---|
| Santa Clara County | 1,936,180 | 1,291.1 | 1,500 |
| Alameda County, CA | 1,682,299 | 737.5 | 2,281 |
| Contra Costa County, CA | 1,165,940 | 716.9 | 1,626 |
| San Francisco County | 873,965 | 46.7 | 18,700 |
| San Joaquin County, CA | 779,233 | 1,392.4 | 560 |
| San Mateo County, CA | 764,461 | 448.6 | 1,704 |
| Stanislaus County, CA | 552,878 | 1,496.0 | 370 |
| Solano County, CA | 453,491 | 821.8 | 552 |
| County Merced | 281,202 | 1,935.0 | 145 |
| County Santa Cruz | 270,853 | 445.2 | 608 |
| County Marin | 262,254 | 520.3 | 504 |
| County Napa | 138,019 | 748.4 | 184 |
| County San Benito | 64,209 | 1,388.7 | 46 |
Related places
Nearest combined statistical areas
- Sacramento-Roseville, CA Combined Statistical Area
- Fresno-Hanford-Corcoran, CA Combined Statistical Area
- Redding-Red Bluff, CA Combined Statistical Area
- Reno-Carson City-Gardnerville Ranchos, NV-CA Combined Statistical Area
- Medford-Grants Pass, OR Combined Statistical Area
- Brookings-Crescent City, OR-CA Combined Statistical Area
About this page
This page shows demographics for a US combined statistical area from the 2020 census and the American Community Survey: population, land area, density, and how the region compares to national averages.
Combined areas are built from whole counties, listed below. Statistics aggregate the member counties' census tracts.