Washington

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Washington counties by population

Number of counties: 39
Population: 7,617,364
Largest county: King County
Table of counties in Washington sorted by population from largest to smallest.
CountyPopulation
King County2,240,876
Pierce County910,225
Snohomish County820,024
Spokane County531,477
Clark County496,494
Thurston County290,642
Kitsap County273,072
Yakima County255,151
Whatcom County224,533
Benton County204,551
Skagit County128,228
Cowlitz County109,457
Grant County97,874
Franklin County95,313
Island County85,938
Lewis County81,214
Chelan County78,508
Clallam County76,727
Grays Harbor County74,737
Mason County64,964
Walla Walla County62,168
Whitman County48,197
Stevens County46,057
Kittitas County44,147
Douglas County42,622
Okanogan County41,966
Jefferson County32,590
Pacific County22,974
Klickitat County22,478
Asotin County22,285
Adams County20,353
San Juan County17,631
Pend Oreille County13,302
Skamania County11,973
Lincoln County10,798
Ferry County7,198
Wahkiakum County4,373
Columbia County3,969
Garfield County2,278

What is the largest county in Washington?

King County is the largest county in Washington with a population of 2,240,876.

TOP-5 counties by population in Washington:
  • King County
  • Pierce County
  • Snohomish County
  • Spokane County
  • Clark County