Ranking of Oregon Counties By Population in 2019

Updated on January 28, 2024.

Based on the US Census Vintage data estimates, in 2019, the Population for Oregon was 4.22M. Among all Oregon counties, Multnomah County had the highest population (812.44K), followed by Washington County (600.93K), and Clackamas County (418.20K).

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 2019
Multnomah
Washington
Clackamas
Lane
Marion
Jackson
Deschutes
Linn
Douglas
Yamhill
Ranking of Oregon Counties By Population in 2019
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Rank County Population
1 Multnomah County 812439
2 Washington County 600933
3 Clackamas County 418199
4 Lane County 382064
5 Marion County 347557
6 Jackson County 220815
7 Deschutes County 197417
8 Linn County 129598
9 Douglas County 110926
10 Yamhill County 106927
11 Benton County 93114
12 Josephine County 87679
13 Polk County 85851
14 Umatilla County 77744
15 Klamath County 68343
16 Coos County 64677
17 Columbia County 52614
18 Lincoln County 50125
19 Clatsop County 40208
20 Malheur County 30698
21 Tillamook County 27132
22 Union County 26733
23 Wasco County 26532
24 Jefferson County 24647
25 Crook County 24388
26 Hood River County 23347
27 Curry County 22981
28 Baker County 16123
29 Morrow County 11607
30 Lake County 7939
31 Harney County 7375
32 Wallowa County 7169
33 Grant County 7166
34 Gilliam County 1911
35 Sherman County 1790
36 Wheeler County 1348