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Snohomish County, Washington

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542,363
Active registered voters
872
Precincts
5
Presidential cycles of results

Voter file loaded June 9, 2026 · figures are from that file, held as a fixed record

Snohomish County, Washington has 542,363 active registered voters across 872 precincts, as of July 2026.

Party registration

Washington doesn't register voters by party, so there's no party breakdown to show. Party lean is usually inferred from primary participation; that data is in the voter file and available inside Motion51.

How Snohomish County voted for president

58.5
39.6
2008
56.9
40.7
2012
54.3
37.6
2016
58.5
37.9
2020
57.8
38.9
2024
■ Democratic %   ■ Republican %  ·  2024 total votes cast: 415,327

Election results are public records.

Source:  Official county canvasses via MIT Election Data + Science Lab

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Also see: Motion51 in Washington · How to run for office in Snohomish County · Pricing