Ranking of Oregon Counties By 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 Oregon White Alone population (aged 25 years and above) who had an educational attainment of Less than High School Diploma was 170,563. Among all Oregon counties, Multnomah County had the highest White Alone population (aged 25 years and above) with an educational attainment of Less than High School Diploma (24,432), followed by Marion County (17,772), and Washington County (16,110).
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.
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Related Topics: Oregon ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census - ACS 5-Year Estimates.
Ranking of Oregon Counties By White Alone Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
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| Rank | County | Number of People |
|---|---|---|
| 1 | Multnomah County | 24432 |
| 2 | Marion County | 17772 |
| 3 | Washington County | 16110 |
| 4 | Lane County | 14705 |
| 5 | Clackamas County | 12254 |
| 6 | Jackson County | 12184 |
| 7 | Linn County | 7077 |
| 8 | Douglas County | 6882 |
| 9 | Deschutes County | 6733 |
| 10 | Umatilla County | 5624 |
| 11 | Josephine County | 5206 |
| 12 | Yamhill County | 4774 |
| 13 | Klamath County | 4325 |
| 14 | Coos County | 4037 |
| 15 | Polk County | 3362 |
| 16 | Columbia County | 3239 |
| 17 | Malheur County | 2407 |
| 18 | Lincoln County | 2052 |
| 19 | Clatsop County | 1825 |
| 20 | Wasco County | 1689 |
| 21 | Tillamook County | 1683 |
| 22 | Hood River County | 1570 |
| 23 | Crook County | 1411 |
| 24 | Benton County | 1407 |
| 25 | Curry County | 1317 |
| 26 | Jefferson County | 1202 |
| 27 | Union County | 1134 |
| 28 | Baker County | 962 |
| 29 | Morrow County | 847 |
| 30 | Lake County | 728 |
| 31 | Grant County | 480 |
| 32 | Harney County | 471 |
| 33 | Wallowa County | 323 |
| 34 | Sherman County | 151 |
| 35 | Wheeler County | 100 |
| 36 | Gilliam County | 88 |