Voter Eligibility

To register to vote in Washington, you must be:

  • A citizen of the United States
  • A legal resident of Washington state
  • At least 18 years old by election day
  • Not disqualified from voting due to a court order
  • Not under Department of Corrections supervision for a Washington felony conviction

Read more about who can vote in Washington.

How to register


You can register online, 24 hours a day, at the Washington Secretary of State’s website.

To register online, you will need:

  • A current Washington State driver license, or
  • A current Washington State ID card

If you do not have either of these, you can still register by mail or in-person.

By mail
Download and print a voter registration form  or request a form be mailed to you and mail it to the County Elections Office.
If you don’t have a printer, you can also request a voter registration form be mailed to you.

You can register to vote in-person at at your County Elections Office.

  • King County 
    919 SW Grady Way
    Renton, WA 98057
    (206) 296-8683
  • Kittitas County
    205 W 5th Ave, Ste 105
    Ellensburg, WA 98926-2891
    (509) 962-7503

Dates & Deadlines
Voter Registration Deadlines

  • In Person: 8 days before Election Day
  • By Mail: Postmarked 29 days before Election Day
  • Online: 29 days before Election Day

2020 Dates

  • March 2 2020: Voter registration deadline
  • March 10 2020: Primary Presidential Election Day
  • April 20 2020: Voter registration deadline
  • April 28 2020: Special Election Day
  • July 27 2020: Voter registration deadline
  • August 4 2020: Primary Election Day
  • September 22 2020: National Voter Registration Day
  • October 26 2020: Voter registration deadline
  • November 3 2020: General Election Day