Washington Black or African American Alone Population By County in Census 2020

Updated on February 11, 2023.

According to the data from the US 2020 decennial Census, in April 2020, there were 307,565 people in Washington who identified their race as Black or African American Alone, which is 3.99% of the total population of Washington. King County had the highest number of people who identify as Black or African American Alone (151,468), followed by Pierce County (66,006), and Snohomish County (29,293). On the other hand, the three counties with the least number of people who identify as Black or African American Alone were: Garfield County (9), Columbia County (11), and Lincoln County (21).

In terms of the percentage of each county's total population, Pierce County had the highest percentage, with 7.17% of its population identifying their race as Black or African American Alone, followed by King County (6.67%), and Snohomish County (3.54%).

You can see similar information for other states and also for the United States by state. You can also see similar information for other racial groups as well as the different ethnicities in Washington.

Hover over or click on the counties to see the number and percentage of each county's population that identify as Black or African American Alone. The data can also be filtered, sorted, and explored further in a table below.

Washington Black or African American Alone Population By County in Census 2020
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County Black Alone Population % of County Population
Adams County 41 0.20
Asotin County 116 0.52
Benton County 2893 1.40
Chelan County 296 0.37
Clallam County 615 0.80
Clark County 11396 2.26
Columbia County 11 0.28
Cowlitz County 820 0.74
Douglas County 150 0.35
Ferry County 28 0.39
Franklin County 1790 1.85
Garfield County 9 0.39
Grant County 782 0.79
Grays Harbor County 1026 1.36
Island County 2399 2.76
Jefferson County 207 0.63
King County 151468 6.67
Kitsap County 7835 2.84
Kittitas County 402 0.91
Klickitat County 64 0.28
Lewis County 564 0.69
Lincoln County 21 0.19
Mason County 713 1.09
Okanogan County 168 0.40
Pacific County 101 0.43
Pend Oreille County 57 0.43
Pierce County 66006 7.17
San Juan County 54 0.30
Skagit County 888 0.69
Skamania County 74 0.62
Snohomish County 29293 3.54
Spokane County 10979 2.04
Stevens County 149 0.32
Thurston County 9403 3.19
Wahkiakum County 22 0.50
Walla Walla County 1056 1.69
Whatcom County 2347 1.03
Whitman County 1203 2.51
Yakima County 2119 0.83