San Francisco County, California
San Francisco County: county, coextensive with the city of San Francisco, California, United States
About
San Francisco County is a county located in the U.S. state of California. As of the 2010 census, the population was 805,235 and a population density of 1,341 people per km². After 10 years in 2020 county had an estimated population of 866,606 inhabitants. Its county seat is San Francisco. The county was created 176 years ago in 1849.
County Snapshot
San Francisco County at a glance
San Francisco County currently has 1 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.
Mapped populated places
1
These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.
California counties
58
Open related pagesLargest city
San FranciscoPopulation 866,606
Top linked places
Quick Facts about San Francisco County
| Population | 866,606 (2020) |
| Country | United States of America |
| State | California (United States) |
| Area | 600.59 km2 |
| Latitude & Longitude | 37.7782,-122.4425 |
| Named for | San Francisco |
| Capital | San Francisco |
| Establishment | January 01, 1850 |
| Time Zone | America/Los_Angeles |
| Local time | 01:50:30 (19th April 2026) |
| Density | 1,443 Pop. per km² as of 2020 |
| Population growth | 7.08% (2010-2020) |
| Weather | 52℉ Mostly Cloudy 7-days weather |
Geography
San Francisco County is located at 37°46'42"N 122°26'33"W (37.7782300, -122.4425000).
San Francisco County map
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The largest city of San Francisco County is San Francisco with a population of 866,606. . See all San Francisco County cities & populated places.
San Francisco County Populated Places
Cities, towns, neighborhoods & other populated places in San Francisco County.
| City Name | Population | Title |
|---|---|---|
| San Francisco | 866,606 | The seventeenth most populous city in the United States and the center of the San Francisco Bay Area. |
Weather
Mostly cloudy, with a low around 52. West wind 3 to 7 mph.
7-Day ForecastOfficial website of San Francisco County
Official Website- San Francisco
Demographics
The population of San Francisco County increased by 7.08% in 10 years.
| Year | Population | % Change | Method |
|---|---|---|---|
| 1848 | 1,000 | - | estimation process |
| 1849 | 25,000 | 96% | estimation process |
| 1860 | 56,802 | 55.99% | estimation process |
| 1870 | 149,473 | 62% | estimation process |
| 1880 | 233,959 | 36.11% | estimation process |
| 1890 | 298,997 | 21.75% | estimation process |
| 1900 | 342,782 | 12.77% | estimation process |
| 1910 | 416,912 | 17.78% | estimation process |
| 1920 | 506,676 | 17.72% | estimation process |
| 1930 | 634,394 | 20.13% | estimation process |
| 1940 | 634,536 | 0.02% | estimation process |
| 1950 | 775,357 | 18.16% | estimation process |
| 1960 | 740,316 | -4.73% | estimation process |
| 1970 | 715,674 | -3.44% | estimation process |
| 1980 | 678,974 | -5.41% | estimation process |
| 1990 | 723,959 | 6.21% | estimation process |
| 2000 | 776,733 | 6.79% | estimation process |
| 2005 | 739,426 | -5.05% | estimation process |
| 2010 | 805,235 | 8.17% | census |
| 2011 | 815,016 | 1.2% | estimation process |
| 2012 | 827,420 | 1.5% | estimation process |
| 2013 | 837,442 | 1.2% | estimation process |
| 2014 | 852,469 | 1.76% | estimation process |
| 2016 | 870,887 | 2.11% | estimation process |
| 2017 | 884,363 | 1.52% | estimation process |
| 2018 | 883,963 | -0.05% | estimation process |
| 2019 | 883,869 | -0.01% | estimation process |
| 2020 | 866,606 | -1.99% | estimation process |
California Other Counties (more counties)
| County Name | Population | Title |
|---|---|---|
| Los Angeles County | 9,943,046 | County in California, United States of America |
| Los Angeles | 3,970,219 | The second most populous city in the United States and the center of the Los Angeles metropolitan area. |
| San Diego County | 3,332,427 | Founded in 1850, is one of 58 counties in the US state of California. |
| Orange County | 3,166,857 | County in California, United States |
| Riverside County | 2,489,188 | County in California, United States |
| San Bernardino County | 2,189,183 | County in California, United States |
| Santa Clara County | 1,907,105 | County in California, United States |
| Alameda County | 1,662,323 | County in California, United States |
| Sacramento County | 1,559,146 | County in California, United States |
| San Diego | 1,422,420 | The eighth most populous city in the United States and the center of the San Diego metropolitan area. |
| Laguna | 1,370,232 | A city located in Orange County, California. |
| Contra Costa County | 1,152,333 | County in California, United States |
| San Jose | 1,013,616 | The tenth most populous city in the United States and the center of the San Jose metropolitan area. |
| Fresno County | 1,000,918 | County in California, United States |
| Kern County | 901,362 | This county is located in the southern San Joaquin Valley, extending eastward over the Tehachapi Mountains to the Mojave Desert. |
| San Francisco | 866,606 | The seventeenth most populous city in the United States and the center of the San Francisco Bay Area. |