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Thurston County, Washington

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Mary Hall, Thurston County Auditor
711 Washington Relay  

OLYMPIA – During the first six months of 2024, the Thurston County Auditor’s Elections Division updated over 20,000 voter records for nearly 200,000 registered voters. 

"Maintaining current voter rolls is the top priority for our voter registration team all year round," said Mary Hall, Thurston County Auditor. "We work closely every day with our state and federal partners to ensure the accuracy of our voter records."

Examples of these updates include: 

  • 520 voter registrations were canceled upon voter request.  
  • 1,379 voter registrations were canceled due to the death of the voter. 
  • 3,185 voter registrations were moved to inactive status because of undeliverable mail. (Inactive voters do not receive a ballot unless they contact us and update their address.) 

The Auditor’s Office collaborates with trusted sources to maintain the accuracy of voter registration data:  

  • The Office of the Secretary of State 
  • The Social Security Administration 
  • The United States Postal Service National Change of Address Program 
  • Other state agencies, including Licensing, Health, Corrections, and the Office of the Administrator of the Courts 

The Auditor’s Office also eliminates registrations of deceased persons using health department data, published obituaries or written notices from relatives. 

Washington State is a member of the Electronic Registration Information Center (ERIC). ERIC employs data matching software to compare voter registration and motor vehicle licensing data across 30 other states, ensuring voters are not registered in multiple states. In 2023, the Auditor’s Office updated 1,747 voter records using ERIC data. 

“Our most critical partner in this effort is the voters themselves,” Hall said. If voters receive a ballot for a deceased voter, a voter who has moved, or anyone not residing at that address, they should contact the Auditor’s Office. 

Voters can also return the ballot through USPS by writing “Deceased” or “Not at this address” and depositing it in the mail. “The postal service returns those ballots and other election mail to us, and we cancel or inactivate the voter according to state and federal law,” she said. 



Auditor, Elections
Press Release