List of counties in Washington

List of counties in Washington

There are 39 counties in the U.S. state of Washington. Washington was carved out of the western part of Washington Territory and admitted to the Union as the 42nd state in 1889.[1] The first counties were created from unorganized territory in 1845.[2]

Washington's postal abbreviation is WA and its FIPS state code is 53.


FIPS code
County seat
Adams County 001 Ritzville 1883 Whitman County John Adams (1735-1826), second President of the United States &1000000000001872800000018,728 &100000000000019250000001,925 sq mi
(4,986 km²)
State map highlighting Adams County
Asotin County 003 Asotin 1883 Garfield County The Nez Percé name for Eel Creek &1000000000002162300000021,623 &10000000000000636000000636 sq mi
(&100000000000016470000001,647 km2)
State map highlighting Asotin County
Benton County 005 Prosser 1905 Yakima and Klickitat Counties Thomas Hart Benton (1782 – 1858), a Missouri U.S. Senator &10000000000175177000000175,177 &100000000000017030000001,703 sq mi
(&100000000000044110000004,411 km2)
State map highlighting Benton County
Chelan County 007 Wenatchee 1899 Okanogan and Kittitas Counties A Native American word meaning deep water, likely referring to Lake Chelan &1000000000007245300000072,453 &100000000000029220000002,922 sq mi
(&100000000000075680000007,568 km2)
State map highlighting Chelan County
Clallam County 009 Port Angeles 1854 Jefferson County A Klallam word meaning "the strong people" &1000000000007140400000071,404 &100000000000017450000001,745 sq mi
(&100000000000045200000004,520 km2)
State map highlighting Clallam County
Clark County 011 Vancouver 1845 Original county William Clark (1770 – 1838), the co-captain of the Lewis and Clark Expedition &10000000000425363000000425,363 &10000000000000628000000628 sq mi
(&100000000000016270000001,627 km2)
State map highlighting Clark County
Columbia County 013 Dayton 1875 Walla Walla County The Columbia River &100000000000040780000004,078 &10000000000000869000000869 sq mi
(&100000000000022510000002,251 km2)
State map highlighting Columbia County
Cowlitz County 015 Kelso 1854 Original county Cowlitz, an Indian tribe &10000000000102410000000102,410 &100000000000011390000001,139 sq mi
(&100000000000029500000002,950 km2)
State map highlighting Cowlitz County
Douglas County 017 Waterville 1883 Lincoln County Stephen A. Douglas (1813 - 1861), U.S. Senator from Illinois. &1000000000003843100000038,431 &100000000000018210000001,821 sq mi
(&100000000000047160000004,716 km2)
State map highlighting Douglas County
Ferry County 019 Republic 1899 Stevens County Elisha P. Ferry (1825 - 1895), first Governor of Washington State &100000000000075510000007,551 &100000000000022040000002,204 sq mi
(&100000000000057080000005,708 km2)
State map highlighting Ferry County
Franklin County 021 Pasco 1883 Whitman County Benjamin Franklin, writer, orator, inventor, and U.S. founding father &1000000000007816300000078,163 &100000000000012420000001,242 sq mi
(&100000000000032170000003,217 km2)
State map highlighting Franklin County
Garfield County 023 Pomeroy 1881 Columbia County James A. Garfield, twentieth U.S. President &100000000000022660000002,266 &10000000000000710000000710 sq mi
(&100000000000018390000001,839 km2)
State map highlighting Garfield County
Grant County 025 Ephrata 1909 Douglas County Ulysses S. Grant, eighteenth U.S. President &1000000000008912000000089,120 &100000000000026810000002,681 sq mi
(&100000000000069440000006,944 km2)
State map highlighting Grant County
Grays Harbor County 027 Montesano 1854 Thurston County Grays Harbor, a body of water named after explorer and merchant Robert Gray &1000000000007279700000072,797 &100000000000019170000001,917 sq mi
(&100000000000049650000004,965 km2)
State map highlighting Grays Harbor County
Island County 029 Coupeville 1853 Thurston County Whidbey and Camano Islands &1000000000007850600000078,506 &10000000000000209000000209 sq mi
(&10000000000000541000000541 km2)
State map highlighting Island County
Jefferson County 031 Port Townsend 1852 Thurston County Thomas Jefferson, third U.S. President and principal author of the Declaration of Independence &1000000000002987200000029,872 &100000000000018090000001,809 sq mi
(&100000000000046850000004,685 km2)
State map highlighting Jefferson County
King County 033 Seattle 1852 Thurston County William Rufus King, vice president of the United States under Franklin Pierce; officially renamed in 1986 after Martin Luther King, Jr. &100000000019312490000001,931,249 &100000000000021260000002,126 sq mi
(&100000000000055060000005,506 km2)
State map highlighting King County
Kitsap County 035 Port Orchard 1857 King and Jefferson Counties Chief Kitsap, leader of the Suquamish tribe &10000000000251133000000251,133 &10000000000000396000000396 sq mi
(&100000000000010260000001,026 km2)
State map highlighting Kitsap County
Kittitas County 037 Ellensburg 1883 Yakima County Kittitas tribe word of uncertain meaning, with popular translations ranging from "white chalk" to "land of the plenty" &1000000000004091500000040,915 &100000000000022970000002,297 sq mi
(&100000000000059490000005,949 km2)
State map highlighting Kittitas County
Klickitat County 039 Goldendale 1859 Walla Walla County Klickitat Tribe &1000000000002031800000020,318 &100000000000018720000001,872 sq mi
(&100000000000048480000004,848 km2)
State map highlighting Klickitat County
Lewis County 041 Chehalis 1845 Original county Meriwether Lewis (1774 – 1809), the co-captain of the Lewis and Clark Expedition &1000000000007545500000075,455 &100000000000024080000002,408 sq mi
(&100000000000062370000006,237 km2)
State map highlighting Lewis County
Lincoln County 043 Davenport 1883 Whitman County Abraham Lincoln, sixteenth U.S. President &1000000000001057000000010,570 &100000000000023110000002,311 sq mi
(&100000000000059850000005,985 km2)
State map highlighting Lincoln County
Mason County 045 Shelton 1854 King County C.H. Mason, first Secretary of Washington Territory &1000000000006069900000060,699 &10000000000000961000000961 sq mi
(&100000000000024890000002,489 km2)
State map highlighting Mason County
Okanogan County 047 Okanogan 1888 Stevens County A Salish Native American word meaning rendezvous &1000000000004112000000041,120 &100000000000052680000005,268 sq mi
(&1000000000001364400000013,644 km2)
State map highlighting Okanogan County
Pacific County 049 South Bend 1851 Lewis County The Pacific Ocean &1000000000002092000000020,920 &10000000000000975000000975 sq mi
(&100000000000025250000002,525 km2)
State map highlighting Pacific County
Pend Oreille County 051 Newport 1911 Stevens County The Pend d'Oreille Native American tribe &1000000000001300100000013,001 &100000000000014000000001,400 sq mi
(&100000000000036260000003,626 km2)
State map highlighting Pend Oreille County
Pierce County 053 Tacoma 1852 Thurston County Franklin Pierce, 14th President of the United States &10000000000795225000000795,225 &100000000000016760000001,676 sq mi
(&100000000000043410000004,341 km2)
State map highlighting Pierce County
San Juan County 055 Friday Harbor 1873 Whatcom County San Juan Island &1000000000001576900000015,769 &10000000000000175000000175 sq mi
(&10000000000000453000000453 km2)
State map highlighting San Juan County
Skagit County 057 Mount Vernon 1883 Whatcom County The Skagit Native American tribe &10000000000116901000000116,901 &100000000000017350000001,735 sq mi
(&100000000000044940000004,494 km2)
State map highlighting Skagit County
Skamania County 059 Stevenson 1854 Clark County A Chinookan word meaning "swift water" &1000000000001106600000011,066 &100000000000016560000001,656 sq mi
(&100000000000042890000004,289 km2)
State map highlighting Skamania County
Snohomish County 061 Everett 1861 Island County The Snohomish tribe &10000000000713335000000713,335 &100000000000020900000002,090 sq mi
(&100000000000054130000005,413 km2)
State map highlighting Snohomish County
Spokane County 063 Spokane 1879 Stevens County The Spokane Native American tribe &10000000000471221000000471,221 &100000000000017640000001,764 sq mi
(&100000000000045690000004,569 km2)
State map highlighting Spokane County
Stevens County 065 Colville 1863 Walla Walla County Isaac Ingalls Stevens, the first governor of the Washington Territory. &1000000000004353100000043,531 &100000000000024780000002,478 sq mi
(&100000000000064180000006,418 km2)
State map highlighting Stevens County
Thurston County 067 Olympia 1852 Lewis County Samuel R. Thurston, the Oregon Territory's first delegate to Congress &10000000000252264000000252,264 &10000000000000727000000727 sq mi
(&100000000000018830000001,883 km2)
State map highlighting Thurston County
Wahkiakum County 069 Cathlamet 1854 Cowlitz County Leader of Wahkiakum ("Tall Timber"), Native American tribe &100000000000039780000003,978 &10000000000000264000000264 sq mi
(&10000000000000684000000684 km2)
State map highlighting Wahkiakum County
Walla Walla County 071 Walla Walla 1854 Skamania County The Walla Walla Native American tribe, and also another name for running water &1000000000005878100000058,781 &100000000000012700000001,270 sq mi
(&100000000000032890000003,289 km2)
State map highlighting Walla Walla County
Whatcom County 073 Bellingham 1854 Island County Nooksack word meaning "noisy water" &10000000000201140000000201,140 &100000000000021200000002,120 sq mi
(&100000000000054910000005,491 km2)
State map highlighting Whatcom County
Whitman County 075 Colfax 1871 Stevens County Marcus Whitman (1802 - 1847), a Presbyterian missionary. &1000000000004477600000044,776 &100000000000021590000002,159 sq mi
(&100000000000055920000005,592 km2)
State map highlighting Whitman County
Yakima County 077 Yakima 1865 Ferguson County (defunct) The Yakama Native American tribe &10000000000243231000000243,231 &100000000000042960000004,296 sq mi
(&1000000000001112700000011,127 km2)
State map highlighting Yakima County


  1. ^ "Historical Timeline of Events Leading to the formation of Washington State". Retrieved 2008-08-09. 
  2. ^ "EPA County FIPS Code Listing". US Environmental Protection Agency. Retrieved 2008-05-06. 
  3. ^ a b c d National Association of Counties. "NACo - Find a county". Retrieved 2008-05-06. 

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