San Joaquin County, California, USA
County or equivalent
Location overview
San Joaquin County lies in California’s Central Valley, with Stockton as its county seat. The Sacramento-San Joaquin Delta occupies part of its western landscape. Agriculture and food processing helped shape the county’s economy, alongside trade and transportation. Interstate highways, rail lines and Stockton’s inland port connect the area with the San Francisco Bay Area and other markets. The county was established in 1850.