Ranking of Oregon Counties By Percentage of Non-Hispanic White 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 Oregon Non-Hispanic White Alone population (aged 25 years and above) who had an educational attainment of High School Graduate or Equivalent was 22.67%. Among all Oregon counties, Morrow County had the highest percentage of its Non-Hispanic White Alone population (aged 25 years and above) with an educational attainment of High School Graduate or Equivalent (38.59%), followed by Harney County (36.66%), and Grant County (35.95%).

The chart below shows the top 10 Oregon counties, and the table below shows the ranking of all Oregon 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 Oregon Counties By Percentage of Non-Hispanic White Alone Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
Morrow County
Harney County
Grant County
Lake County
Union County
Klamath County
Columbia County
Douglas County
Crook County
Umatilla County
Ranking of Oregon Counties By Percentage of Non-Hispanic White 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 Morrow County 38.59
2 Harney County 36.66
3 Grant County 35.95
4 Lake County 35.28
5 Union County 34.26
6 Klamath County 34.11
7 Columbia County 33.18
8 Douglas County 32.52
9 Crook County 32.29
10 Umatilla County 31.82
11 Sherman County 31.58
12 Malheur County 31.41
13 Josephine County 30.84
14 Gilliam County 30.44
15 Jefferson County 30.10
16 Coos County 29.92
17 Baker County 29.38
18 Linn County 29.00
19 Tillamook County 28.94
20 Wallowa County 28.47
21 Wheeler County 28.11
22 Clatsop County 28.00
23 Wasco County 27.67
24 Curry County 26.62
25 Jackson County 26.09
26 Marion County 25.00
27 Polk County 23.97
28 Yamhill County 23.52
29 Lincoln County 23.43
30 Lane County 22.87
31 Clackamas County 22.18
32 Deschutes County 19.78
33 Hood River County 19.21
34 Washington County 16.86
35 Multnomah County 16.02
36 Benton County 14.36