Washington is divided into 39 counties, each managed by its own local government. Use this interactive map and advanced search tools to explore Washington’s counties, major cities, towns, and ZIP codes.

Interactive Map of All Washington Counties

Click on any county below to explore more about it.

No.	County Name	Largest City	County Map & Zip Code
1	Adams	Ritzville	Adams County Map Link
2	Asotin	Clarkston	Asotin County Map Link
3	Benton	Kennewick	Benton County Map Link
4	Chelan	Wenatchee	Chelan County Map Link
5	Clallam	Port Angeles	Clallam County Map Link
6	Clark	Vancouver	Clark County Map Link
7	Columbia	Dayton	Columbia County Map Link
8	Cowlitz	Longview	Cowlitz County Map Link
9	Douglas	East Wenatchee	Douglas County Map Link
10	Ferry	Republic	Ferry County Map Link
11	Franklin	Pasco	Franklin County Map Link
12	Garfield	Pomeroy	Garfield County Map Link
13	Grant	Moses Lake	Grant County Map Link
14	Grays Harbor	Aberdeen	Grays Harbor County Map Link
15	Island	Oak Harbor	Island County Map Link
16	Jefferson	Port Townsend	Jefferson County Map Link
17	King	Seattle	King County Map Link
18	Kitsap	Bremerton	Kitsap County Map Link
19	Kittitas	Ellensburg	Kittitas County Map Link
20	Klickitat	Goldendale	Klickitat County Map Link
21	Lewis	Centralia	Lewis County Map Link
22	Lincoln	Davenport	Lincoln County Map Link
23	Mason	Shelton	Mason County Map Link
24	Okanogan	Omak	Okanogan County Map Link
25	Pacific	South Bend	Pacific County Map Link
26	Pend Oreille	Newport	Pend Oreille County Map Link
27	Pierce	Tacoma	Pierce County Map Link
28	San Juan	Friday Harbor	San Juan County Map Link
29	Skagit	Mount Vernon	Skagit County Map Link
30	Skamania	Stevenson	Skamania County Map Link
31	Snohomish	Everett	Snohomish County Map Link
32	Spokane	Spokane	Spokane County Map Link
33	Stevens	Colville	Stevens County Map Link
34	Thurston	Olympia	Thurston County Map Link
35	Wahkiakum	Cathlamet	Wahkiakum County Map Link
36	Walla Walla	Walla Walla	Walla Walla County Map Link
37	Whatcom	Bellingham	Whatcom County Map Link
38	Whitman	Pullman	Whitman County Map Link
39	Yakima	Yakima	Yakima County Map Link

Washington County Map Download

You can download the Washington County Map from below:

Frequently Asked Questions

The largest county in Washington by area is Okanogan County.

Name: Okanogan County
Area: Approximately 5,315 square miles
County Seat: Okanogan
Located in: North-central Washington, bordering Canada

The smallest county in Washington by land area is San Juan County, encompassing approximately 174 square miles.

Washington state has 39 counties.

Source: Wikipedia, Census.gov