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The San Joaquin County Registrar of Voters Office is a part of the Information Systems Division and is responsible for conducting fair, impartial, accurate, secure and transparent federal, state and local elections. Other functions of the Registrar of Voters Office include voter registration, election administration and campaign finance disclosures.

San Joaquin County has approximately 365,000 registered voters of an estimated population of 455,000 eligible voters. It takes about 2,000 staff members, poll workers and election night workers to conduct a countywide election.

San Joaquin County Seal
Austin Erdman
Interim Registrar of Voters
Contact Us
Registrar of Voters
44 North San Joaquin Street
Third Floor, Suite 350
Stockton, CA 95202
Phone: (209) 468-VOTE (8683)
Toll Free: (800) 400-5009
Español: (209) 953-1052
Fax: (209) 468-2889