Counties in Washington King County (Seattle) Pierce County (Tacoma) Snohomish County (Everett) Spokane County (Spokane) Clark County (Vancouver) Thurston County (Olympia) Kitsap County (Port Orchard) Yakima County (Yakima) Whatcom County (Bellingham) Benton County (Prosser) Skagit County (Mount Vernon) Cowlitz County (Kelso) Grant County (Ephrata) Franklin County (Pasco) Island County (Coupeville) Lewis County (Chehalis) Chelan County (Wenatchee) Clallam County (Port Angeles) Grays Harbor County (Montesano) Mason County (Shelton) Walla Walla County (Walla Walla) Whitman County (Colfax) Stevens County (Colville) Kittitas County (Ellensburg) Douglas County (Waterville) Okanogan County (Okanogan) Jefferson County (Port Townsend) Pacific County (South Bend) Klickitat County (Goldendale) Asotin County (Asotin) Adams County (Ritzville) San Juan County (Friday Harbor) Pend Oreille County (Newport) Skamania County (Stevenson) Lincoln County (Davenport) Ferry County (Republic) Wahkiakum County (Cathlamet) Columbia County (Dayton) Garfield County (Pomeroy)