Ranking of Washington Counties By Population in 2011

Updated on July 26, 2024.

Based on the US Census Vintage data estimates, in 2011, the Population for Washington was 6.83M. Among all Washington counties, King County had the highest population (1.97M), followed by Pierce County (807.73K), and Snohomish County (722.15K).

The chart below shows the top 10 counties, and the table below shows the ranking of all Washington counties.

You can see similar ranking information for related topics, and for other states. You can also see the ranking of all counties in the United States.

See this for other years:
Ranking of Washington Counties By Population in 2011
King
Pierce
Snohomish
Spokane
Clark
Thurston
Kitsap
Yakima
Whatcom
Benton
Ranking of Washington Counties By Population in 2011
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Rank County Population
1 King County 1974499
2 Pierce County 807728
3 Snohomish County 722149
4 Spokane County 473516
5 Clark County 432388
6 Thurston County 256439
7 Kitsap County 254351
8 Yakima County 245899
9 Whatcom County 203503
10 Benton County 180449
11 Skagit County 117578
12 Cowlitz County 102313
13 Grant County 90588
14 Franklin County 83048
15 Island County 78970
16 Lewis County 75674
17 Chelan County 73213
18 Grays Harbor County 72374
19 Clallam County 71778
20 Mason County 60882
21 Walla Walla County 59452
22 Whitman County 45067
23 Stevens County 43457
24 Kittitas County 41561
25 Okanogan County 41325
26 Douglas County 38660
27 Jefferson County 29858
28 Asotin County 21984
29 Pacific County 20888
30 Klickitat County 20691
31 Adams County 18876
32 San Juan County 15807
33 Pend Oreille County 12956
34 Skamania County 11156
35 Lincoln County 10527
36 Ferry County 7641
37 Columbia County 4005
38 Wahkiakum County 3992
39 Garfield County 2237