Ranking of Oregon Counties By Population in 2022

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2022, the Population for Oregon was 4.25M. Among all Oregon counties, Multnomah County had the highest population (795.96K), followed by Washington County (600.23K), and Clackamas County (423.22K).

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 2022
Multnomah
Washington
Clackamas
Lane
Marion
Jackson
Deschutes
Linn
Douglas
Yamhill
Ranking of Oregon Counties By Population in 2022
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Rank County Population
1 Multnomah County 795960
2 Washington County 600229
3 Clackamas County 423217
4 Lane County 386187
5 Marion County 349388
6 Jackson County 222153
7 Deschutes County 206491
8 Linn County 130516
9 Douglas County 112226
10 Yamhill County 107817
11 Benton County 97406
12 Polk County 89986
13 Josephine County 87786
14 Umatilla County 79732
15 Klamath County 70404
16 Coos County 65135
17 Columbia County 53589
18 Lincoln County 50756
19 Clatsop County 41595
20 Malheur County 31868
21 Tillamook County 27516
22 Wasco County 26535
23 Crook County 26393
24 Union County 26167
25 Jefferson County 25319
26 Hood River County 24028
27 Curry County 23614
28 Baker County 16933
29 Morrow County 12257
30 Lake County 8365
31 Wallowa County 7647
32 Harney County 7537
33 Grant County 7221
34 Gilliam County 2012
35 Sherman County 1953
36 Wheeler County 1434