Ranking of Oregon Counties By Population in 2013

Updated on June 21, 2025.

Based on the US Census Vintage data estimates, in 2013, the Population for Oregon was 3.92M. Among all Oregon counties, Multnomah County had the highest population (766.98K), followed by Washington County (555.44K), and Clackamas County (387.57K).

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 2013
Multnomah
Washington
Clackamas
Lane
Marion
Jackson
Deschutes
Linn
Douglas
Yamhill
Ranking of Oregon Counties By Population in 2013
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Rank County Population
1 Multnomah County 766977
2 Washington County 555443
3 Clackamas County 387571
4 Lane County 355654
5 Marion County 321491
6 Jackson County 207313
7 Deschutes County 165385
8 Linn County 118439
9 Douglas County 106645
10 Yamhill County 99926
11 Benton County 86228
12 Josephine County 83175
13 Umatilla County 76892
14 Polk County 76568
15 Klamath County 65719
16 Coos County 62409
17 Columbia County 49271
18 Lincoln County 46351
19 Clatsop County 37143
20 Malheur County 30642
21 Union County 25531
22 Tillamook County 25332
23 Wasco County 25329
24 Hood River County 22574
25 Curry County 22252
26 Jefferson County 21869
27 Crook County 20702
28 Baker County 16027
29 Morrow County 11197
30 Lake County 7800
31 Grant County 7271
32 Harney County 7167
33 Wallowa County 6769
34 Gilliam County 1940
35 Sherman County 1728
36 Wheeler County 1380