Ranking of Oregon Counties By Percentage of 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 White Alone population (aged 25 years and above) who had an educational attainment of High School Graduate or Equivalent was 22.77%. Among all Oregon counties, Harney County had the highest percentage of its White Alone population (aged 25 years and above) with an educational attainment of High School Graduate or Equivalent (37.04%), followed by Morrow County (35.60%), and Grant County (35.22%).

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 White Alone Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
Harney County
Morrow County
Grant County
Lake County
Union County
Klamath County
Columbia County
Douglas County
Crook County
Malheur County
Ranking of Oregon Counties By Percentage of 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 Harney County 37.04
2 Morrow County 35.60
3 Grant County 35.22
4 Lake County 34.32
5 Union County 33.92
6 Klamath County 33.75
7 Columbia County 33.39
8 Douglas County 32.31
9 Crook County 31.37
10 Malheur County 31.35
11 Sherman County 31.24
12 Gilliam County 30.92
13 Jefferson County 30.90
14 Josephine County 30.72
15 Umatilla County 30.51
16 Wheeler County 29.71
17 Coos County 29.63
18 Baker County 29.29
19 Linn County 28.88
20 Tillamook County 28.82
21 Wallowa County 28.18
22 Clatsop County 27.46
23 Wasco County 27.23
24 Curry County 26.32
25 Jackson County 25.71
26 Marion County 25.65
27 Lincoln County 24.13
28 Polk County 23.86
29 Yamhill County 23.47
30 Lane County 22.84
31 Clackamas County 22.19
32 Deschutes County 20.08
33 Hood River County 19.83
34 Washington County 17.44
35 Multnomah County 16.34
36 Benton County 14.38