The San Joaquin County Historical Society focuses on preserving and revealing the history of San Joaquin county and operates the Museum under an agreement with the County of San Joaquin. Here is some information on the county.
San Joaquin County is one of the original 27 California counties, created in 1850 when California became a state. The county covers 1,426 square miles (3,694 km) and has a population of about 710,000 people.
The western third of San Joaquin County includes a large portion of the Sacramento-San Joaquin Delta, which with San Francisco and San Pablo Bays comprises the largest estuary on the Pacific coast. The San Joaquin River enters the Delta from the south (the San Joaquin Valley) and the Sacramento River from the north (Sacramento Valley). San Joaquin County is also crossed by smaller rivers that flow into the Delta from the Sierra Nevada: the Stanislaus River on the county’s southern border, the Calaveras River through the middle of the county, and the Mokelumne River on the north. These waterways created the rich peat, alluvial loam, and clay soils of the region.
The waterways also provided historic transportation routes. Stockton, the county seat, was the transportation hub to the “southern mines” during the Gold Rush. The Port of Stockton continues that tradition as a thriving inland seaport.
The region has a “Mediterranean Climate” with a May-September dry season. San Joaquin County has the longest growing season in the Central Valley of California—about 300 days between killing frosts. The daytime heat of summer is tempered by cooling westerly “Delta breezes,” making the climate similar to many coastal valleys.
Agriculture continues to be the mainstay of the county economy. Top crops in recent years have included grapes, almonds, walnuts, milk, cherries, tomatoes, and corn. Compared to other California counties, San Joaquin County has in recent years been the leading producer of walnuts, asparagus, cherries, apples, blueberries, and pumpkins. It has often been among the top three California counties in the production of wine grapes, canning tomatoes, fresh tomatoes, olives, dry beans, potatoes, safflower, and watermelons.
Tourism is an emerging industry in northern San Joaquin county, primarily due to the Lodi wine appellation and the efforts of the Lodi-Woodbridge Winegrape Commission, the Lodi Convention and Visitors Bureau, and the Stockton Convention and Visitors Bureau.
Stockton Chamber of Commerce
Lodi Chamber of Commerce
Tracy Chamber of Commerce
Manteca Chamber of Commerce
Lathrop Chamber of Commerce
Ripon Chamber of Commerce
Escalon Chamber of Commerce
Linden-Peters Chamber of Commerce
Clements-Lockeford Chamber of Commerce