Ranking of Oregon Counties By Total Population from Census 2020
Updated on February 7, 2023.
According to the data from the US 2020 Census, the most populated Oregon county as at April 2020 was Multnomah County (815.43K), followed by Washington County (600.37K), and Clackamas County (421.40K).
The chart below shows the top 10 most populated counties, and the table below shows the ranking of all the counties in the state of Oregon.
You can also see the ranking of counties by population for other states as well as for the whole United States.
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Related Topics: Oregon Census 2020 Topic List.
Data Source: US Census Bureau, 2020 Census.
Ranking of Oregon Counties By Total Population from Census 2020
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| Rank | County | Population |
|---|---|---|
| 1 | Multnomah County | 815428 |
| 2 | Washington County | 600372 |
| 3 | Clackamas County | 421401 |
| 4 | Lane County | 382971 |
| 5 | Marion County | 345920 |
| 6 | Jackson County | 223259 |
| 7 | Deschutes County | 198253 |
| 8 | Linn County | 128610 |
| 9 | Douglas County | 111201 |
| 10 | Yamhill County | 107722 |
| 11 | Benton County | 95184 |
| 12 | Josephine County | 88090 |
| 13 | Polk County | 87433 |
| 14 | Umatilla County | 80075 |
| 15 | Klamath County | 69413 |
| 16 | Coos County | 64929 |
| 17 | Columbia County | 52589 |
| 18 | Lincoln County | 50395 |
| 19 | Clatsop County | 41072 |
| 20 | Malheur County | 31571 |
| 21 | Tillamook County | 27390 |
| 22 | Wasco County | 26670 |
| 23 | Union County | 26196 |
| 24 | Crook County | 24738 |
| 25 | Jefferson County | 24502 |
| 26 | Hood River County | 23977 |
| 27 | Curry County | 23446 |
| 28 | Baker County | 16668 |
| 29 | Morrow County | 12186 |
| 30 | Lake County | 8160 |
| 31 | Harney County | 7495 |
| 32 | Wallowa County | 7391 |
| 33 | Grant County | 7233 |
| 34 | Gilliam County | 1995 |
| 35 | Sherman County | 1870 |
| 36 | Wheeler County | 1451 |