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Voter file data: L2 Data · Registration counts: Washington Secretary of State · Updated May 4, 2026

Washington Voter Registration

& Party Affiliation Statistics

Total Registered
5,253,687
Largest Party
Democratic (52.11%)
Independent / NPP
20.48%
Primary Type
State:Nonpartisan Top-Two
Pres:Semi-Open Primary
OverviewRegistrationPrimary RulesTurnout
At a Glance

Washington at a Glance

Key voter registration statistics · Updated 2026

Registered Voters
5,253,687
across 39 counties
Registration Rate
83.3%
eligible population
No Party Preference
20.48%
of registered voters
2024 Turnout
70.2%
of eligible voters
Registration

Voter Registration by Party

How many registered Democrats, Republicans, and Independents are in Washington?

52.11%
27.41%
20.48%
Democratic52.11%
Republican27.41%
Independent/Other20.48%
PartyRegistered Voters% of Total
Democratic
2,737,80752.11%
Republican
1,440,17527.41%
Independent/Other
1,075,70520.48%
Primary Rules

How Washington's Primary Works

Washington uses different primary rules for state/congressional and presidential elections

State / Congressional

⚖
Nonpartisan Top-Two
All candidates appear on a single ballot regardless of party. All registered voters can participate. The top two vote-getters advance to the general election.
How It Works
There is one primary ballot for everyone. Candidates list their party preference, but voters aren't limited by it. The two candidates with the most votes advance, even if they're from the same party.
IVP's Position
This is the reform IVP pioneered in California with Proposition 14 (2010). It gives every voter an equal voice in every election and forces candidates to compete for all voters, not just partisan bases.
See all primary systems by state →

Presidential

⚖
Semi-Open Primary
Voters don't have to publicly declare a party affiliation, but they must request a specific party's ballot at the polling place.
How It Works
Similar to open primaries, but the party whose ballot you request may be recorded. Some states allow parties to restrict their primaries to registered members, creating a hybrid system.
IVP's Position
Marginally better access for independents, but the party-based structure remains the core limitation.
See all primary systems by state →
Turnout

Voter Turnout in Washington

How many eligible Washington residents actually vote?

Eligible vs Registered
83.3% registered
5,253,687 registered6,304,424 eligible
1,050,737 eligible residents are not registered to vote.
Recent Elections
ElectionTurnoutVoted
2024 General70.2%3,961,569
2022 General55.4%3,067,686
2020 General75.3%4,116,894
2024 Presidential Primary35.3%1,708,308
2024 State Primary40.9%1,994,096
Independent voters deserve a voice.
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