Ranking of Oregon Counties By Population with American Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 192.06K people in Oregon with American ancestry. Among all Oregon counties, Multnomah County had the highest population with American ancestry (35.71K), followed by Washington County (24.96K), and Clackamas County (22.02K).
The chart and table below shows the top 10 counties with high number of people with American ancestry.
You can see similar information for other states and for other ancestry groups in Oregon.
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Related Topics: Oregon ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census Bureau.
Ranking of Oregon Counties By Population with American Ancestry in 2021
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| Rank | County | Population |
|---|---|---|
| 1 | Multnomah County | 35714 |
| 2 | Washington County | 24959 |
| 3 | Clackamas County | 22020 |
| 4 | Lane County | 15190 |
| 5 | Marion County | 10619 |
| 6 | Jackson County | 8980 |
| 7 | Deschutes County | 8358 |
| 8 | Douglas County | 7459 |
| 9 | Josephine County | 5584 |
| 10 | Polk County | 5496 |
| 11 | Linn County | 5224 |
| 12 | Yamhill County | 5111 |
| 13 | Umatilla County | 4202 |
| 14 | Coos County | 4043 |
| 15 | Klamath County | 3339 |
| 16 | Benton County | 3133 |
| 17 | Columbia County | 2893 |
| 18 | Clatsop County | 1985 |
| 19 | Wasco County | 1822 |
| 20 | Lincoln County | 1766 |
| 21 | Union County | 1595 |
| 22 | Curry County | 1545 |
| 23 | Crook County | 1369 |
| 24 | Tillamook County | 1368 |
| 25 | Hood River County | 1174 |
| 26 | Grant County | 1173 |
| 27 | Malheur County | 1168 |
| 28 | Harney County | 1068 |
| 29 | Jefferson County | 1025 |
| 30 | Baker County | 674 |
| 31 | Morrow County | 588 |
| 32 | Wallowa County | 515 |
| 33 | Lake County | 365 |
| 34 | Wheeler County | 259 |
| 35 | Gilliam County | 186 |
| 36 | Sherman County | 93 |