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Precinct & District Maps

Supervisorial Redistricting 2021

Update January 11, 2022: The district lookup tool and interactive map are currently being updated to reflect the new district lines approved by the Board in December 2021.

Senate, Assembly, Congressional Districts

Please refer to the Statewide Database for district maps for the State of California.

County of Sonoma Supervisorial Districts

City Precinct Maps

Additional Information