There are 9 zip codes in San Juan County, Washington. The most populated is 98250, located in Friday Harbor. * 2024 populations estimated based on the latest ACS 5-year data.

CSV JSON
Zip Code
Population
City
982508,953Friday Harbor
982454,088Eastsound
982613,112Lopez Island
98279614Olga
98280398Orcas
98243297Deer Harbor
98286158Shaw Island
98222117Blakely Island
9829755Waldron

Zip Codes in San Juan County, Washington by Population (2024)