Ranking of Washington Counties By Percentage of Population Aged 25 years and above with an Educational attainment of Some College or Associates Degree 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 Some College or Associates Degree was 32.85%. Among all Washington counties, Garfield County had the highest percentage of its population (aged 25 years and above) with an educational attainment of Some College or Associates Degree (44.89%), followed by Columbia County (44.08%), and Cowlitz County (41.90%).
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 Some College or Associates Degree in 2021
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| Rank | County | Percentage of Population (Aged 25yrs+) (%) |
|---|---|---|
| 1 | Garfield County | 44.89 |
| 2 | Columbia County | 44.08 |
| 3 | Cowlitz County | 41.90 |
| 4 | Wahkiakum County | 41.74 |
| 5 | Mason County | 40.87 |
| 6 | Lincoln County | 40.64 |
| 7 | Lewis County | 40.15 |
| 8 | Asotin County | 39.75 |
| 9 | Spokane County | 39.45 |
| 10 | Kitsap County | 39.01 |
| 11 | Ferry County | 38.78 |
| 12 | Walla Walla County | 38.76 |
| 13 | Grays Harbor County | 38.75 |
| 14 | Pacific County | 38.70 |
| 15 | Pend Oreille County | 38.64 |
| 16 | Island County | 38.61 |
| 17 | Clallam County | 37.90 |
| 18 | Pierce County | 37.20 |
| 19 | Stevens County | 37.05 |
| 20 | Skagit County | 36.93 |
| 21 | Thurston County | 36.24 |
| 22 | Clark County | 36.14 |
| 23 | Snohomish County | 35.49 |
| 24 | Skamania County | 35.01 |
| 25 | Benton County | 35.00 |
| 25 | Whatcom County | 35.00 |
| 26 | Okanogan County | 34.90 |
| 27 | Grant County | 34.12 |
| 28 | Klickitat County | 32.68 |
| 29 | Whitman County | 32.37 |
| 30 | Jefferson County | 32.13 |
| 31 | Kittitas County | 31.95 |
| 32 | Chelan County | 31.52 |
| 33 | Douglas County | 31.41 |
| 34 | Franklin County | 30.90 |
| 35 | Yakima County | 28.74 |
| 36 | San Juan County | 28.03 |
| 37 | King County | 24.80 |
| 38 | Adams County | 24.10 |