Washington·WA·FIPS 53055

San Juan County

Voted Democratic in 2024 · 13,006 votes cast

About San Juan County

San Juan County is a county in the Salish Sea in the far northwestern corner of the U.S. state of Washington. As of the 2020 census, its population was 17,788. The county seat and only incorporated town is Friday Harbor, on San Juan Island. The county was formed on October 31, 1873, from Whatcom County and is named for the San Juan Islands, which are in turn named for Juan Vicente de Güemes, 2nd Count of Revillagigedo, the Viceroy of New Spain.

2024 Presidential Results

All candidates · San Juan County, Washington

Kamala D Harris(Democrat)

73.3%9,539

Won by 6,649 votes

Donald J Trump(Republican)

22.2%2,890

Other(Other)

4.0%522

Chase Oliver(Libertarian)

0.4%55

Margin History

Red = Republican, Blue = Democratic

2024D+51.1

2020D+50.5

2016D+41.6

🔵

Swung Left in 2024

San Juan County shifted 0.6 points toward Democrats compared to 2020. Voter turnout decreased by 1.4%.

San Juan County — Local Discussion

0 messages

What does San Juan County really think?

Elections happen once every 4 years. On constitution.vote, your voice is heard every day. Join the assembly and vote on the issues that matter to Washington.

Join the Assembly →Vote on Polls

Election data: MIT Election Data Science Lab, Harvard Dataverse (CC BY 4.0)