Data / Rankings / High school graduate or higher, population 25 and over / Counties in Oregon

Counties in Oregon by high school graduate or higher, population 25 and over

Benton County had the highest high school graduate or higher, population 25 and over of 36 counties in 2023, at 96%. Morrow County had the lowest, at 76%. The median was 91.1% and the figure for Oregon was 91.7%. Source: the U.S. Census Bureau.

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Highest96Benton County
Lowest76Morrow County
Median91.136 counties
Oregon91.7History

Map of counties, 2023

Baker County: 92.4 %Benton County: 96 %Clackamas County: 94.7 %Clatsop County: 92.8 %Columbia County: 90.4 %Coos County: 91 %Crook County: 91.1 %Curry County: 90.6 %Deschutes County: 94.8 %Douglas County: 91.6 %Gilliam County: 87.1 %Grant County: 89.6 %Harney County: 91.8 %Hood River County: 84.2 %Jackson County: 91.3 %Jefferson County: 88.7 %Josephine County: 90.2 %Klamath County: 89.6 %Lake County: 89.3 %Lane County: 93.1 %Lincoln County: 91.8 %Linn County: 91.3 %Malheur County: 83.8 %Marion County: 86.1 %Morrow County: 76 %Multnomah County: 92.3 %Polk County: 91.8 %Sherman County: 88.3 %Tillamook County: 90.6 %Umatilla County: 84.4 %Union County: 93.6 %Wallowa County: 92.9 %Wasco County: 86.9 %Washington County: 92.9 %Wheeler County: 91.4 %Yamhill County: 89.8 %
  • Under 87
  • 87 to 90
  • 90 to 91
  • 91 to 92
  • 92 to 93
  • 93 and over
%, 2023. Source: Invokely calculation with data from U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2023

Benton County: 96 %Benton County96Deschutes County: 94.8 %Deschutes County94.8Clackamas County: 94.7 %Clackamas County94.7Union County: 93.6 %Union County93.6Lane County: 93.1 %Lane County93.1Wallowa County: 92.9 %Wallowa County92.9Washington County: 92.9 %Washington County92.9Clatsop County: 92.8 %Clatsop County92.8Baker County: 92.4 %Baker County92.4Multnomah County: 92.3 %Multnomah County92.3Harney County: 91.8 %Harney County91.8Polk County: 91.8 %Polk County91.8Lincoln County: 91.8 %Lincoln County91.8Douglas County: 91.6 %Douglas County91.6Wheeler County: 91.4 %Wheeler County91.4Jackson County: 91.3 %Jackson County91.3Linn County: 91.3 %Linn County91.3Crook County: 91.1 %Crook County91.1Coos County: 91 %Coos County91Tillamook County: 90.6 %Tillamook County90.6Curry County: 90.6 %Curry County90.6Columbia County: 90.4 %Columbia County90.4Josephine County: 90.2 %Josephine County90.2Yamhill County: 89.8 %Yamhill County89.8Grant County: 89.6 %Grant County89.6Klamath County: 89.6 %Klamath County89.6Lake County: 89.3 %Lake County89.3Jefferson County: 88.7 %Jefferson County88.7Sherman County: 88.3 %Sherman County88.3Gilliam County: 87.1 %Gilliam County87.1Wasco County: 86.9 %Wasco County86.9Marion County: 86.1 %Marion County86.1Umatilla County: 84.4 %Umatilla County84.4Hood River County: 84.2 %Hood River County84.2Malheur County: 83.8 %Malheur County83.8Morrow County: 76 %Morrow County76Benton County: 96 %Benton County96Deschutes County: 94.8 %Deschutes County94.8Clackamas County: 94.7 %Clackamas County94.7Union County: 93.6 %Union County93.6Lane County: 93.1 %Lane County93.1Wallowa County: 92.9 %Wallowa County92.9Washington County: 92.9 %Washington County92.9Clatsop County: 92.8 %Clatsop County92.8Baker County: 92.4 %Baker County92.4Multnomah County: 92.3 %Multnomah County92.3Harney County: 91.8 %Harney County91.8Polk County: 91.8 %Polk County91.8Lincoln County: 91.8 %Lincoln County91.8Douglas County: 91.6 %Douglas County91.6Wheeler County: 91.4 %Wheeler County91.4Jackson County: 91.3 %Jackson County91.3Linn County: 91.3 %Linn County91.3Crook County: 91.1 %Crook County91.1Coos County: 91 %Coos County91Tillamook County: 90.6 %Tillamook County90.6Curry County: 90.6 %Curry County90.6Columbia County: 90.4 %Columbia County90.4Josephine County: 90.2 %Josephine County90.2Yamhill County: 89.8 %Yamhill County89.8Grant County: 89.6 %Grant County89.6Klamath County: 89.6 %Klamath County89.6Lake County: 89.3 %Lake County89.3Jefferson County: 88.7 %Jefferson County88.7Sherman County: 88.3 %Sherman County88.3Gilliam County: 87.1 %Gilliam County87.1Wasco County: 86.9 %Wasco County86.9Marion County: 86.1 %Marion County86.1Umatilla County: 84.4 %Umatilla County84.4Hood River County: 84.2 %Hood River County84.2Malheur County: 83.8 %Malheur County83.8Morrow County: 76 %Morrow County76
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12.

Full ranking

RankCounties2023 (%)Change on 2022
1Benton County960 pts
2Deschutes County94.8+0.5 pts
3Clackamas County94.7+0.3 pts
4Union County93.6+0.8 pts
5Lane County93.1+0.3 pts
6Wallowa County92.9-0.4 pts
7Washington County92.90 pts
8Clatsop County92.8+0.6 pts
9Baker County92.4+1 pts
10Multnomah County92.3-0.1 pts
11Harney County91.8+0.6 pts
12Polk County91.80 pts
13Lincoln County91.8-1.1 pts
14Douglas County91.6+0.4 pts
15Wheeler County91.4-0.2 pts
16Jackson County91.3+0.3 pts
17Linn County91.3+0.4 pts
18Crook County91.1+0.9 pts
19Coos County91+1 pts
20Tillamook County90.6-0.1 pts
21Curry County90.6-0.5 pts
22Columbia County90.4-0.1 pts
23Josephine County90.2-0.8 pts
24Yamhill County89.8-0.2 pts
25Grant County89.6+0.5 pts
26Klamath County89.6+0.3 pts
27Lake County89.3+2.2 pts
28Jefferson County88.7+0.8 pts
29Sherman County88.30 pts
30Gilliam County87.1-2.8 pts
31Wasco County86.9+0.5 pts
32Marion County86.1+0.3 pts
33Umatilla County84.4-0.1 pts
34Hood River County84.2+0.1 pts
35Malheur County83.8+2.4 pts
36Morrow County76-0.8 pts

Other periods

About this ranking

People aged 25 and over who hold a regular high school diploma, a GED or alternative credential, or any higher level of education, as a percentage of all people aged 25 and over. United States: American Community Survey five-year estimate, where the period shown is the last year of the five-year span.

Measures the adult population, not students: it is not the high school graduation rate of a class. Not comparable with the EU share below upper secondary education, which covers ages 25 to 64.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

U.S. Census Bureau. American Community Survey 5-year estimates, table B15003: population 25 years and over with a high school diploma, GED or higher as a percentage of the population 25 years and over, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b15003.dat. Retrieved 2026-10-12.

Citation styles

The publisher is the author. Invokely is named only as the place the figures were read, where a style asks for it.

APA 7

U.S. Census Bureau. (2026). American Community Survey 5-year estimates, table B15003: population 25 years and over with a high school diploma, GED or higher as a percentage of the population 25 years and over, calculated with stored inputs (Counties in Oregon by high school graduate or higher, population 25 and over, 2023) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b15003.dat

MLA 9

American Community Survey 5-year estimates, table B15003: population 25 years and over with a high school diploma, GED or higher as a percentage of the population 25 years and over, calculated with stored inputs, Counties in Oregon by high school graduate or higher, population 25 and over, 2023. U.S. Census Bureau, 29 Jan. 2026, https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b15003.dat. Invokely, https://invokely.ai/rankings/high-school-graduate-or-higher/oregon-counties?period=2023. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. American Community Survey 5-year estimates, table B15003: population 25 years and over with a high school diploma, GED or higher as a percentage of the population 25 years and over, calculated with stored inputs. Counties in Oregon by high school graduate or higher, population 25 and over, 2023. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b15003.dat. Also distributed by Invokely, https://invokely.ai/rankings/high-school-graduate-or-higher/oregon-counties?period=2023.

Harvard

U.S. Census Bureau (2026) American Community Survey 5-year estimates, table B15003: population 25 years and over with a high school diploma, GED or higher as a percentage of the population 25 years and over, calculated with stored inputs, Counties in Oregon by high school graduate or higher, population 25 and over, 2023 [Dataset]. Available at: https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b15003.dat, via Invokely: https://invokely.ai/rankings/high-school-graduate-or-higher/oregon-counties?period=2023 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_oregon_by_2023,
  author = {{U.S. Census Bureau}},
  title = {{American Community Survey 5-year estimates, table B15003: population 25 years and over with a high school diploma, GED or higher as a percentage of the population 25 years and over, calculated with stored inputs: Counties in Oregon by high school graduate or higher, population 25 and over, 2023}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b15003.dat},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/high-school-graduate-or-higher/oregon-counties?period=2023. Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B15003: population 25 years and over with a high school diploma, GED or higher as a percentage of the population 25 years and over, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary\_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b15003.dat. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - American Community Survey 5-year estimates, table B15003: population 25 years and over with a high school diploma, GED or higher as a percentage of the population 25 years and over, calculated with stored inputs: Counties in Oregon by high school graduate or higher, population 25 and over, 2023
PY  - 2026
DA  - 2026/01/29
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b15003.dat
L2  - https://invokely.ai/rankings/high-school-graduate-or-higher/oregon-counties?period=2023
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/high-school-graduate-or-higher/oregon-counties?period=2023.
N1  - Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B15003: population 25 years and over with a high school diploma, GED or higher as a percentage of the population 25 years and over, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b15003.dat. Retrieved 2026-10-12.
ER  -
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Rank Counties in Oregon by high school graduate or higher, population 25 and over using official data, and cite the source.
rank_places {"indicator":"high_school_graduate_share","level":"province","within":"Oregon","limit":10}
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Questions

Which county has the highest high school graduate or higher, population 25 and over?

Benton County, with 96% in 2023, according to the U.S. Census Bureau.

Which county has the lowest high school graduate or higher, population 25 and over?

Morrow County, with 76% in 2023.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, American Community Survey 5-year estimates, table B15003: population 25 years and over with a high school diploma, GED or higher as a percentage of the population 25 years and over, calculated with stored inputs. Retrieved 2026-10-12.

High school graduate or higher, population 25 and over: other rankings

Counties in Oregon: more rankings