Counties and equivalents in Washington
Areas related by mapped geography to Washington.
- Adams County, Washington
- Asotin County, Washington
- Benton County, Washington
- Chelan County, Washington
- Clallam County, Washington
- Clark County, Washington
- Columbia County, Washington
- Cowlitz County, Washington
- Douglas County, Washington
- Ferry County, Washington
- Franklin County, Washington
- Garfield County, Washington
- Grant County, Washington
- Grays Harbor County, Washington
- Island County, Washington
- Jefferson County, Washington
- King County, Washington
- Kitsap County, Washington
- Kittitas County, Washington
- Klickitat County, Washington
- Lewis County, Washington
- Lincoln County, Washington
- Mason County, Washington
- Okanogan County, Washington
- Pacific County, Washington
- Pend Oreille County, Washington
- Pierce County, Washington
- San Juan County, Washington
- Skagit County, Washington
- Skamania County, Washington
- Snohomish County, Washington
- Spokane County, Washington
- Stevens County, Washington
- Thurston County, Washington
- Wahkiakum County, Washington
- Walla Walla County, Washington
- Whatcom County, Washington
- Whitman County, Washington
- Yakima County, Washington