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Precinct & District Maps

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

For additional information contact the County of Sonoma Registrar of Voters Mapping and Computer Services Division by phone at (707) 565-6818 work or request information by email to Rov-materials@sonoma-county.org.


Contact Information

Deva Marie Proto

County Clerk-Recorder-Assessor-Registrar of Voters

Business Hours
Monday – Friday
8:00 AM – 5:00 PM

Contact us by Phone

Registrar of Voters

435 Fiscal Drive

Santa Rosa, CA 95403
38.4657357, -122.7251823
Mailing Address
PO Box 11485
Santa Rosa, CA 95406-1485