WASHINGTON CONGRESSIONAL DISTRICTS BY COUNTIES County 109th Congressional District Adams 4,5 Asotin 5 Benton 4 Chelan 4 Clallam 6 Clark 3 Columbia 5 Cowlitz 3 Douglas 4 Ferry 5 Franklin 4 Garfield 5 Grant 4 Grays Harbor 6 Island 2 Jefferson 6 King 1,2,7-9 Kitsap 1,6 Kittitas 4 Klickitat 4 Lewis 3 Lincoln 5 Mason 6 Okanogan 5 Pacific 3 Pend Oreille 5 Pierce 6,8,9 San Juan 2 Skagit 2 Skamania 3,4 Snohomish 1,2 Spokane 5 Stevens 5 Thurston 3,9 Wahkiakum 3 Walla Walla 5 Whatcom 2 Whitman 5 Yakima 4