This is a list ofunincorporated communities in theU.S. state ofWashington which are notincorporated municipalities. Incorporated municipalities in the state are listed separately in alist of cities andlist of towns. Due to unreliability of the source data in theGeographic Names Information System, items in this list may be historical places that no longer exist, places that are part of an incorporated city or town or a CDP, or never a community in the first place.

There are 345 unincorporated communities that are treated as "places" for the purpose ofU.S. Census Bureau data collection. These are termedcensus-designated places (CDPs) and are listed on a separate page.

• Lists of unincorporated communities in the United States by state
• Unincorporated communities in Washington (state)
• Washington (state) geography-related lists

• Articles with short description
• Short description is different from Wikidata
• Use American English from July 2025
• All Wikipedia articles written in American English
• Use mdy dates from July 2023