Ranking of Washington Counties By Percentage of Black or African American Alone Population Aged 25 years and above with an Educational attainment of High School Graduate or Equivalent in 2021 (ACS-5Yrs)

Updated on September 5, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the percentage of the Washington Black or African American Alone population (aged 25 years and above) who had an educational attainment of High School Graduate or Equivalent was 25.85%. Among all Washington counties, Klickitat County had the highest percentage of its Black or African American Alone population (aged 25 years and above) with an educational attainment of High School Graduate or Equivalent (91.23%), followed by Adams County (71.93%), and Grays Harbor County (68.86%).

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

You can see similar information for other educational attainments, and for other races and ethnicities.

You can also see similar information for other states and for the United States.

Ranking of Washington Counties By Percentage of Black or African American Alone Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
Klickitat County
Adams County
Grays Harbor County
Douglas County
Asotin County
Okanogan County
Jefferson County
Walla Walla County
Mason County
Benton County
Ranking of Washington Counties By Percentage of Black or African American Alone Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
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Rank County Percentage of Population (Aged 25yrs+) (%)
1 Klickitat County 91.23
2 Adams County 71.93
3 Grays Harbor County 68.86
4 Douglas County 60.33
5 Asotin County 52.17
6 Okanogan County 50.00
7 Jefferson County 37.64
8 Walla Walla County 36.90
9 Mason County 34.04
10 Benton County 32.89
11 Pierce County 28.97
12 Clallam County 28.83
13 Chelan County 26.88
14 Yakima County 26.73
15 Snohomish County 25.47
16 Franklin County 25.27
17 Thurston County 24.89
18 Kitsap County 24.81
19 King County 24.69
20 Skagit County 24.62
21 Spokane County 23.48
22 Cowlitz County 23.14
23 Lewis County 22.53
24 San Juan County 22.47
25 Clark County 21.66
26 Ferry County 21.43
27 Whitman County 19.46
28 Stevens County 18.92
29 Island County 17.18
30 Grant County 17.10
31 Whatcom County 16.37
32 Lincoln County 15.22
33 Pacific County 12.50
34 Columbia County 0.00
34 Kittitas County 0.00
34 Pend Oreille County 0.00
34 Skamania County 0.00
34 Wahkiakum County 0.00