Ranking of Washington Counties By Non-Hispanic Voting-age Population from Census 2020

Updated on August 29, 2023.

According to the data from the United States 2020 decennial Census, in April 2020, among all of Washington counties, King County had the highest voting-age population who identified as Non-Hispanic (not hispanic or latino) (1.64M), followed by Pierce County (637.44K), and Snohomish County (577.67K).

The chart below shows the top 10 counties, and the table below shows the ranking of all Washington counties based on the voting-age population who identified as non-hispanic.

You can see similar ranking information for other states and also for the different racial groups in Washington.

Ranking of Washington Counties By Non-Hispanic Voting-age Population from Census 2020
King
Pierce
Snohomish
Spokane
Clark
Thurston
Kitsap
Whatcom
Benton
Yakima
Ranking of Washington Counties By Non-Hispanic Voting-age Population from Census 2020
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Rank County Non-Hispanic Voting-age Population
1 King County 1643636
2 Pierce County 637437
3 Snohomish County 577667
4 Spokane County 398167
5 Clark County 348738
6 Thurston County 212460
7 Kitsap County 203345
8 Whatcom County 167237
9 Benton County 122444
10 Yakima County 102205
11 Skagit County 86897
12 Cowlitz County 79112
13 Island County 66453
14 Clallam County 61429
15 Lewis County 58745
16 Grays Harbor County 55784
17 Mason County 48592
18 Chelan County 47101
19 Grant County 44481
20 Walla Walla County 40233
21 Whitman County 37174
22 Stevens County 35548
23 Franklin County 33806
24 Kittitas County 32969
25 Jefferson County 28000
26 Okanogan County 27569
27 Douglas County 22909
28 Pacific County 18020
29 Asotin County 17183
30 Klickitat County 16263
31 San Juan County 14388
32 Pend Oreille County 10607
33 Skamania County 9297
34 Lincoln County 8352
35 Adams County 5755
36 Ferry County 5677
37 Wahkiakum County 3534
38 Columbia County 3067
39 Garfield County 1734