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The Sonoma County Voting System

Overview

Beginning in 2014, the Sonoma County Board of Supervisors took steps to support the Sonoma County Registrar of Voter’s commitment to address the risks posed by an outdated, aging voting system, and prepare to replace it. In 2017, Sonoma County Registrar of Voters replaced the outdated voting system with a newer paper ballot system that is more effective, secure, and responsive to voter needs. The Registrar of Voters Office began using the new system in March of 2019.

Read about the Voting System Replacement History

About the Voting System

Sonoma County uses the Dominion Voting Systems paper ballot optical scan voting system. This voting system has been certified for use in California by the Secretary of State. Using paper ballots, voters fill in ovals next to their choice.

Ballots are transported to the secure, Sonoma County Ballot Counting Room, where they are tabulated on the Dominion ImageCast Central central count scanner. With this system, you can have confidence that your vote is counted accurately and reliably.

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Vote Counting

The ImageCast Central Tabulation System

ImageCast Voting System

The Dominion Voting Systems ImageCast Central tabulation system is an easy-to-use, high-speed central paper ballot counter and vote tabulator that supports a full range of ballot sizes complexities. The ImageCast Central securely processes paper ballots at a speed of over 150 ballots per minute.

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Accessibility

ImageCast X

The Dominion Voting Systems ImageCast X is a ballot-marking system designed to provide privacy and accessibility to voters who are blind, vision-impaired, or have a disability or condition that would make it difficult or impossible to mark a ballot in the usual way.

The ImageCase X technology also provides language assistance to voters who are more comfortable speaking a different language or who need help to better understand written instructions.

More About Accessible Voting

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Contact Information

Deva Marie Proto

County Clerk-Recorder-Assessor-Registrar of Voters

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

Registrar of Voters

435 Fiscal Drive
Santa Rosa, CA 95403
38.4657357, -122.7251823
Mailing Address
PO Box 11485
Santa Rosa, CA 95406-1485
California Online Voter Registration
Check Your Voter Status Online 219x73

State Voter Information

California Secretary of State Elections Division

The Great Seal of the State of California 75x75

The Elections Division oversees all federal and state elections within California

Voting System Resources

California Voting Systems

Official State of California Seal

Voting systems must be certified by the Secretary of State to be used in California