Ranking of Washington Counties By Black or African American Alone Population from Census 2020

Updated on February 22, 2026.

According to the data from the United States 2020 decennial Census for Washington counties, in April 2020, King County had the highest number of people who identified their race as Black or African American Alone (151.47K), followed by Pierce County (66.01K), and Snohomish County (29.29K).

The chart below shows the top 10 counties, and the table below shows the ranking of all Washington counties based on Black or African American Alone population.

You can see similar ranking information for other states. You can also see similar rankings of counties for other racial groups as well as for the different ethnicities in Washington.

Ranking of Washington Counties By Black or African American Alone Population from Census 2020
King
Pierce
Snohomish
Clark
Spokane
Thurston
Kitsap
Benton
Island
Whatcom
Ranking of Washington Counties By Black or African American Alone Population from Census 2020
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Rank County Black Alone Population
1 King County 151468
2 Pierce County 66006
3 Snohomish County 29293
4 Clark County 11396
5 Spokane County 10979
6 Thurston County 9403
7 Kitsap County 7835
8 Benton County 2893
9 Island County 2399
10 Whatcom County 2347
11 Yakima County 2119
12 Franklin County 1790
13 Whitman County 1203
14 Walla Walla County 1056
15 Grays Harbor County 1026
16 Skagit County 888
17 Cowlitz County 820
18 Grant County 782
19 Mason County 713
20 Clallam County 615
21 Lewis County 564
22 Kittitas County 402
23 Chelan County 296
24 Jefferson County 207
25 Okanogan County 168
26 Douglas County 150
27 Stevens County 149
28 Asotin County 116
29 Pacific County 101
30 Skamania County 74
31 Klickitat County 64
32 Pend Oreille County 57
33 San Juan County 54
34 Adams County 41
35 Ferry County 28
36 Wahkiakum County 22
37 Lincoln County 21
38 Columbia County 11
39 Garfield County 9