Government Code › TITLE 3. GOVERNMENT OF COUNTIES › DIVISION 1. COUNTIES GENERALLY › CHAPTER 4. County Seats › ARTICLE 1. Location of County SeatsGovernment Code § 23640‹ § 23639§ 23641 ›Copy linkOpen in browserleginfo ↗23640.The county seat of San Joaquin is Stockton.(Added by Stats. 1947, Ch. 424.)