Ranking of Washington Counties By Percentage of Population Aged 25 years and above with an Educational attainment of Bachelors or Higher in 2021 (ACS-5Yrs)
Updated on September 3, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, the percentage of the population of Washington (aged 25 years and above) who had an educational attainment of Bachelors or Higher was 37.28%. Among all Washington counties, King County had the highest percentage of its population (aged 25 years and above) with an educational attainment of Bachelors or Higher (54.03%), followed by San Juan County (51.28%), and Whitman County (47.65%).
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.
You can also see similar information for other states and for the United States.
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Related Topics: Washington ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census - ACS 5-Year Estimates.
Ranking of Washington Counties By Percentage of Population (Aged 25yrs+) with an Educational Attainment of Bachelors or Higher in 2021
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| Rank | County | Percentage of Population (Aged 25yrs+) (%) |
|---|---|---|
| 1 | King County | 54.03 |
| 2 | San Juan County | 51.28 |
| 3 | Whitman County | 47.65 |
| 4 | Jefferson County | 42.71 |
| 5 | Whatcom County | 36.38 |
| 6 | Thurston County | 36.19 |
| 7 | Kittitas County | 35.32 |
| 8 | Kitsap County | 35.02 |
| 9 | Island County | 34.97 |
| 10 | Snohomish County | 34.11 |
| 11 | Benton County | 32.13 |
| 12 | Clark County | 31.96 |
| 13 | Spokane County | 31.52 |
| 14 | Klickitat County | 31.10 |
| 15 | Clallam County | 30.02 |
| 16 | Skagit County | 28.64 |
| 17 | Chelan County | 28.56 |
| 18 | Pierce County | 28.41 |
| 19 | Walla Walla County | 28.39 |
| 20 | Columbia County | 26.81 |
| 21 | Skamania County | 25.87 |
| 22 | Garfield County | 25.42 |
| 23 | Lincoln County | 24.31 |
| 24 | Asotin County | 23.68 |
| 25 | Pacific County | 22.37 |
| 26 | Pend Oreille County | 22.15 |
| 27 | Wahkiakum County | 21.30 |
| 28 | Douglas County | 21.19 |
| 28 | Okanogan County | 21.19 |
| 29 | Stevens County | 20.84 |
| 30 | Franklin County | 19.80 |
| 31 | Lewis County | 19.03 |
| 32 | Mason County | 18.73 |
| 33 | Grant County | 18.08 |
| 34 | Ferry County | 17.92 |
| 35 | Yakima County | 17.85 |
| 36 | Cowlitz County | 17.01 |
| 37 | Grays Harbor County | 16.32 |
| 38 | Adams County | 13.72 |