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Washington voter registration guide

Last updated: June 2, 2020
  • You can register to vote in-person.
  • You can register to vote online in Washington.
  • You can register to vote by-mail in Washington.
  • If you miss the voter registration deadline, you can register to vote and cast a ballot at the same time on Election Day.
  • Military and overseas voters follow a different process.

Washington voter registration deadlines

  • In-person: Election Day
  • By-mail: Received 8 days before Election Day
  • Online: 8 days before Election Day

Washington voter registration rules

To register in Washington you must:

  • be a citizen of the United States;
  • be at least 18 years old by Election Day;
  • be a legal resident of Washington State, your county, and precinct for 30 days immediately preceding Election Day;
  • not be disqualified from voting due to a court order; and
  • not be under Department of Corrections supervision for a Washington felony conviction.

Register to vote online in Washington

You will need a Washington ID to use Washington's online voter registration system. If you do not have a Washington ID, you can still register to vote by mail

Register to vote by-mail in Washington

  1. Review the “Voter registration rules” section above and check that you're eligible.
  2. Download and fill out the National Voter Registration Form.
  3. Box 6 - ID Number: You must provide your Washington driver’s license or state ID card number. If you do not have a Washington driver’s license, or state ID card, you must provide the last four digits of your Social Security Number. Failure to provide this information may prevent your registration from being processed.
  4. Box 7 - Choice of Party: You are not required to designate your party affiliation to register in Washington.
  5. Box 8 - Race or Ethnic Group: Leave blank.
  6. Print, date, and sign the form. If you do not have a printer, you can print the form out at any local library. If you do not have a stamp, you can buy one from any grocery store: just ask the cashier to sell you one.
  7. Mail your voter registration form to the mailing address below. For faster delivery, send the form directly to your local election office.
  8. Your voter registration form must be received 8 days before Election Day

Register to vote on Election Day in Washington

Double-check your Washington voter registration status

If you can't remember if you're registered to vote, or you want to make sure your information is correct, you can check your Washington registration using the Washington voter registration lookup tool.


Need help registering to vote in Washington?

Your local election office is responsible for running elections in your area. You should contact your local election office if you have questions about registering to vote. Mail your voter registration form to your local election office for faster processing.

State election office

This is the state-wide agency that is ultimately responsible for Washington elections. You can mail your voter registration form to this address. For faster processing, mail your form to your local election office.

Secretary of State  
Elections Division  
P.O. Box 40229  
Olympia, WA 98504‐0229