Ranking of Oregon Counties By Percentage of Non-Hispanic White Alone Population Aged 25 years and above with an Educational attainment of Less than High School Diploma 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 Less than High School Diploma was 5.51%. Among all Oregon counties, Lake County had the highest percentage of its Non-Hispanic White Alone population (aged 25 years and above) with an educational attainment of Less than High School Diploma (11.93%), followed by Sherman County (11.86%), and Malheur County (10.45%).

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 Less than High School Diploma in 2021
Lake County
Sherman County
Malheur County
Wheeler County
Harney County
Columbia County
Klamath County
Grant County
Douglas County
Coos County
Ranking of Oregon Counties By Percentage of Non-Hispanic White Alone Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
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Rank County Percentage of Population (Aged 25yrs+) (%)
1 Lake County 11.93
2 Sherman County 11.86
3 Malheur County 10.45
4 Wheeler County 10.18
5 Harney County 9.53
6 Columbia County 9.42
7 Klamath County 9.25
8 Grant County 9.22
9 Douglas County 9.06
10 Coos County 9.02
11 Umatilla County 9.00
12 Jefferson County 8.68
13 Crook County 8.37
14 Baker County 8.12
15 Josephine County 8.09
16 Linn County 8.04
17 Tillamook County 7.98
18 Wasco County 7.80
19 Jackson County 6.89
20 Union County 6.73
21 Marion County 6.71
22 Clatsop County 6.35
23 Wallowa County 6.26
24 Lane County 6.07
25 Lincoln County 5.71
26 Yamhill County 5.68
27 Curry County 5.67
28 Polk County 5.62
29 Morrow County 5.56
30 Gilliam County 5.54
31 Deschutes County 4.53
32 Clackamas County 4.13
33 Multnomah County 3.72
34 Washington County 3.26
35 Hood River County 2.76
36 Benton County 2.46