Fastest Growing Counties in Washington (2024)

Fastest growing counties in Washington.

39 Rows

County
Rank
Change (2020)
2024 Pop.
2020 Pop.
Wahkiakum County18.86%4,8424,448
Lincoln County28.56%11,86310,928
Pend Oreille County38.01%14,58413,502
Skamania County46.51%12,82512,041
Stevens County56.01%49,39146,591
Douglas County65.45%45,37343,029
Lewis County75.33%86,95182,553
Benton County84.91%217,609207,419
Klickitat County94.65%23,87522,814
Ferry County104.56%7,5267,198
Grant County114.36%103,77699,441
Okanogan County124.33%43,96442,139
Clark County134%525,563505,338
Mason County143.9%68,60766,034
San Juan County153.56%18,46017,826
Pacific County163.45%24,30523,495
Columbia County173.32%4,0803,949
Garfield County183.27%2,3692,294
Kittitas County192.9%45,89444,599
Whatcom County202.55%233,240227,449
Jefferson County212.41%33,85833,061
Franklin County222.4%99,48697,150
Cowlitz County232.39%113,664111,014
Snohomish County242.31%849,070829,933
Grays Harbor County252.22%77,53975,855
Spokane County262.22%553,170541,175
Whitman County271.33%48,44547,807
Skagit County281.24%131,512129,902
Thurston County291.14%299,367295,998
Asotin County301.07%22,56222,324
Chelan County310.91%79,95679,238
Pierce County320.79%930,913923,589
Adams County330.66%20,74220,607
Kitsap County340.61%277,503275,823
Clallam County350.23%77,54877,367
King County360.14%2,277,4492,274,282
Yakima County37-0.18%256,267256,733
Island County38-1.32%85,85286,998
Walla Walla County39-2.14%61,28362,623

Fastest Growing Counties in Washington (2024)