Ranking of Oregon Counties By Population in 2023

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2023, the Population for Oregon was 4.23M. Among all Oregon counties, Multnomah County had the highest population (789.70K), followed by Washington County (598.87K), and Clackamas County (423.17K).

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 2023
Multnomah
Washington
Clackamas
Lane
Marion
Jackson
Deschutes
Linn
Douglas
Yamhill
Ranking of Oregon Counties By Population in 2023
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Rank County Population
1 Multnomah County 789698
2 Washington County 598865
3 Clackamas County 423173
4 Lane County 381181
5 Marion County 346741
6 Jackson County 220768
7 Deschutes County 208513
8 Linn County 131496
9 Douglas County 112435
10 Yamhill County 108644
11 Benton County 97713
12 Polk County 89805
13 Josephine County 87821
14 Umatilla County 80053
15 Klamath County 70003
16 Coos County 64212
17 Columbia County 53880
18 Lincoln County 50821
19 Clatsop County 41102
20 Malheur County 32044
21 Tillamook County 27417
22 Crook County 26952
23 Wasco County 26333
24 Union County 25944
25 Jefferson County 25454
26 Hood River County 23745
27 Curry County 23296
28 Baker County 16912
29 Morrow County 12302
30 Lake County 8293
31 Wallowa County 7674
32 Harney County 7440
33 Grant County 7215
34 Gilliam County 2026
35 Sherman County 1951
36 Wheeler County 1436