San Joaquin County
There are 25 US Post Offices in San Joaquin County serving a total of 492,997 residents equating to 19,720 residents per post office. It's estimated that approximately 786,878 packages are handled across the 25 county post offices annually. San Joaquin County /\u02c8s\u00e6n w\u0251\u02d0\u02c8ki\u02d0n/ is a county in the U.S. state of California. As of the 2010 census, the population was 685,306. The county seat is Stockton. San Joaquin County comprises the Stockton-Lodi, CA Metropolitan Statistical Area, which is also included in the more inclusive San Jose-San Francisco-Oakland, CA Combined Statistical Area. The county is located in Northern Californias Central Valley, just east of the less extensive nine-county San Francisco Bay Area region. The City of San Joaquin, despite sharing its name with the county, is located in Fresno County."