Ranking of Oregon Counties By Population in 2011

Updated on July 26, 2024.

Based on the US Census Vintage data estimates, in 2011, the Population for Oregon was 3.87M. Among all Oregon counties, Multnomah County had the highest population (749.93K), followed by Washington County (541.04K), and Clackamas County (379.64K).

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.

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Ranking of Oregon Counties By Population in 2011
Multnomah
749.93K
Washington
541.04K
Clackamas
379.64K
Lane
354.12K
Marion
318.05K
Jackson
204.80K
Deschutes
159.68K
Linn
118.18K
Douglas
107.26K
Yamhill
99.71K
Ranking of Oregon Counties By Population in 2011
Rank
County
Population
1 Multnomah County 749,926
2 Washington County 541,041
3 Clackamas County 379,640
4 Lane County 354,119
5 Marion County 318,053
6 Jackson County 204,798
7 Deschutes County 159,683
8 Linn County 118,175
9 Douglas County 107,257
10 Yamhill County 99,708
11 Benton County 86,281
12 Josephine County 82,722
13 Umatilla County 76,810
14 Polk County 75,942
15 Klamath County 66,322
16 Coos County 62,789
17 Columbia County 49,408
18 Lincoln County 45,877
19 Clatsop County 37,241
20 Malheur County 30,964
21 Union County 25,906
22 Tillamook County 25,393
23 Wasco County 25,217
24 Curry County 22,497
25 Hood River County 22,439
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