Liste der Countys in Washington

County	Verwaltungssitz	Einwohner (2010)	Fläche in km²
Adams County	Ritzville	18.728	1.925
Asotin County	Asotin	21.623	636
Benton County	Prosser	175.177	1.703
Chelan County	Wenatchee	72.453	2.922
Clallam County	Port Angeles	71.404	1.745
Clark County	Vancouver	425.363	628
Columbia County	Dayton	4.078	869
Cowlitz County	Kelso	102.410	1.139
Douglas County	Waterville	38.431	1.821
Ferry County	Republic	7.551	2.204
Franklin County	Pasco	78.163	1.242
Garfield County	Pomeroy	2.266	710
Grant County	Ephrata	89.120	2.681
Grays Harbor County	Montesano	72.797	1.917
Island County	Coupeville	78.506	209
Jefferson County	Port Townsend	29.872	1.809
King County	Seattle	1.931.249	2.126
Kitsap County	Port Orchard	251.133	396
Kittitas County	Ellensburg	40.915	2.297
Klickitat County	Goldendale	20.318	872
Lewis County	Chehalis	75.455	2.408
Lincoln County	Davenport	10.570	2.311
Mason County	Shelton	60.699	961
Okanogan County	Okanogan	41.120	5.268
Pacific County	South Bend	20.920	975
Pend Oreille County	Newport	13.001	1.400
Pierce County	Tacoma	795.225	1.676
San Juan County	Friday Harbor	15.769	175
Skagit County	Mount Vernon	116.901	1.735
Skamania County	Stevenson	11.066	1.656
Snohomish County	Everett	713.335	2.090
Spokane County	Spokane	471.221	1.764
Stevens County	Colville	43.531	2.478
Thurston County	Olympia	252.264	727
Wahkiakum County	Cathlamet	3.978	264
Walla Walla County	Walla Walla	58.781	1.270
Whatcom County	Bellingham	201.140	2.120
Whitman County	Colfax	44.776	2.159
Yakima County	Yakima	243.231	4.296