San Joaquin County is east of San Francisco and south of Sacramento. Counties population is 613,000. Strategically located in Northern California's dynamic growth corridor, San Joaquin County is already home to major agri-business, manufacturing and distribution companies. These include Diamond of California, General Mills, Fairmont Sign Company, Dana Corporation, Fox River Paper Company, Mondavi Woodbridge Winery, Nestle and Yellow Freight. San Joaquin County boasts seven cities and some of the finest opportunities in the state for boating, fishing, camping, history-gathering, or just plain fun in the sun. The county is one of the most agriculturally rich regions in California and is the number one producer, statewide, of asparagus. Twenty-four thousand acres of county farmland is dedicated to production of this crop.

Towns of San Joaquin County include Escalon, Lathrop, Lodi, Manteca, Ripon, Stockton (County Seat) and Tracy. Neighboring counties include Sacramento County, Amador County, Calaveras County, Stanislaus County, Santa Clara County, Alameda County, and Contra Costa County.