Voter registration deadline Monday, Oct. 9 | King County Elections

Citizens who want to vote in the November 7 general election have until Monday, October 9 to register to vote or update voter registration information online or by mail.

King County Elections will mail general election ballots to all registered voters on October 18, so it’s important that citizens register to vote and keep their address and other information, including their signature, updated.

Voters can check to make sure their registration information is current by:

How to register to vote:

Voters who miss the October 9 deadline to update their registration should still contact the Elections office to update their information for future elections. King County residents not currently registered in Washington can register in person at the Elections office through October 30.

Who can register?

To be eligible to register to vote, you must be:

  • A citizen of the United States
  • A legal resident of Washington state
  • At least 18 years old by election day (November 7)
  • Not under the authority of the Department of Corrections
  • Not disqualified from voting due to a court order

Voters can visit the Elections website or contact the Elections office for assistance and information.