California’s 9th District

The 9th Congressional District includes parts of San Joaquin and Contra Costa Counties.  The district is based in the San Joaquin Valley and towns and cities along the Delta.  This area includes cities, small towns, rich agricultural land, business centers, and a major shipping port.

In San Joaquin County, the 9th Congressional District includes all or parts of Clements, Linden, Lockeford, Lodi, Lathrop, Mountain House, Stockton, and Woodbridge.   In Contra Costa County, the district encompasses Oakley, Discovery Bay, Byron, Brentwood and most of Antioch.

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California's 9th Congressional District Map California’s 9th Congressional District Map

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