1st District

Seattle & Vashon Island

2nd District

Island, San Juan, Snohomish, Skagit, Whatcom Counties

3rd District  

Clallam, Jefferson, Kitsap Counties  

4th District

Mason, Pierce, Thurston Counties

5th District

Clark, Cowlitz, Klickitat, Skamania, Wahkiakum Counties

6th District

Kittitas, Klickitat, Yakima Counties

7th District

Asotin, Garfield, Whitman Counties

8th District

Lincoln, Pend Oreille, Spokane, Stevens Counties

9th District 

Chelan, Douglas, Ferry, Grant, Okanogan Counties

10th District 

Grays Harbor, Lewis, Pacific Counties

11th District

King County

12th District 

Adams, Benton, Columbia, Franklin, Walla Walla Counties