Ranking of Oregon Counties By Population in 2024

Updated on June 21, 2025.

Based on the US Census Vintage data estimates, in 2024, the Population for Oregon was 4.27M. Among all Oregon counties, Multnomah County had the highest population (795.90K), followed by Washington County (611.27K), and Clackamas County (425.86K).

The chart below shows the top 10 counties, and the table below shows the ranking of all Oregon counties.

You can see similar ranking information for related topics, and for other states. You can also see the ranking of all counties in the United States.

See this for other years:
Ranking of Oregon Counties By Population in 2024
Multnomah
Washington
Clackamas
Lane
Marion
Jackson
Deschutes
Linn
Douglas
Yamhill
Ranking of Oregon Counties By Population in 2024
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Rank County Population
1 Multnomah County 795897
2 Washington County 611272
3 Clackamas County 425857
4 Lane County 382396
5 Marion County 352867
6 Jackson County 221331
7 Deschutes County 211535
8 Linn County 132474
9 Douglas County 112255
10 Yamhill County 110886
11 Benton County 98899
12 Polk County 90549
13 Josephine County 88276
14 Umatilla County 80491
15 Klamath County 70438
16 Coos County 64326
17 Columbia County 54063
18 Lincoln County 51212
19 Clatsop County 41043
20 Malheur County 32315
21 Crook County 27336
22 Tillamook County 27264
23 Wasco County 26507
24 Union County 26058
25 Jefferson County 25536
26 Hood River County 23764
27 Curry County 22774
28 Baker County 16750
29 Morrow County 12360
30 Lake County 8194
31 Wallowa County 7522
32 Harney County 7402
33 Grant County 7093
34 Sherman County 2002
35 Gilliam County 1971
36 Wheeler County 1456