San Joaquin County, California

county in California, United States
Seal of San Joaquin County, California.png

San Joaquin County (/ˌsæn hwɑːˈkn/) is a county in the U.S. state of California. As of the 2010 census, the population was 685,306.[1] The county seat is Stockton.[2] It was founded in 1850.


  1. "State & County QuickFacts". United States Census Bureau. Archived from the original on July 18, 2011. Retrieved April 6, 2016.
  2. "Find a County". National Association of Counties. Retrieved 2011-06-07.