by Kristen Carney
Updated: June 20, 2024
The most populous counties in Oregon are Multnomah County with 789,698, Washington County at 598,865, Clackamas County with 423,173, Lane County at 381,181, and Marion County with 346,741. You can get the most current Census population data for all 36 Oregon counties, sorted from the most populous counties in Oregon to the least, according to the 2023 Population Estimates Program.
Sure, you can copy this list right into your favorite spreadsheet tool. Or save yourself formatting headaches and grab the latest Oregon counties population data as a ready-to-use Excel™ file below. It's time to stop searching and start digging into data!
Rank | County | Population |
---|---|---|
1 | Multnomah County | 789,698 |
2 | Washington County | 598,865 |
3 | Clackamas County | 423,173 |
4 | Lane County | 381,181 |
5 | Marion County | 346,741 |
6 | Jackson County | 220,768 |
7 | Deschutes County | 208,513 |
8 | Linn County | 131,496 |
9 | Douglas County | 112,435 |
10 | Yamhill County | 108,644 |
11 | Benton County | 97,713 |
12 | Polk County | 89,805 |
13 | Josephine County | 87,821 |
14 | Umatilla County | 80,053 |
15 | Klamath County | 70,003 |
16 | Coos County | 64,212 |
17 | Columbia County | 53,880 |
18 | Lincoln County | 50,821 |
19 | Clatsop County | 41,102 |
20 | Malheur County | 32,044 |
21 | Tillamook County | 27,417 |
22 | Crook County | 26,952 |
23 | Wasco County | 26,333 |
24 | Union County | 25,944 |
25 | Jefferson County | 25,454 |
26 | Hood River County | 23,745 |
27 | Curry County | 23,296 |
28 | Baker County | 16,912 |
29 | Morrow County | 12,302 |
30 | Lake County | 8,293 |
31 | Wallowa County | 7,674 |
32 | Harney County | 7,440 |
33 | Grant County | 7,215 |
34 | Gilliam County | 2,026 |
35 | Sherman County | 1,951 |
36 | Wheeler County | 1,436 |
United States Census Bureau. Annual Estimates of the Resident Population: April 1, 2020 to July 1, 2023. Population Division. May 2024. |
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