Ranking of Oregon Counties By Percentage of Population with American Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 192.06K people in Oregon with American ancestry (4.57% of Oregon population). Among all Oregon counties, Wheeler County had the highest percentage of its population with American ancestry (17.54%), followed by Grant County (16.24%), and Harney County (14.33%).

The chart and table below shows the top 10 counties with high percentage of its population having American ancestry.

You can see similar information for other states and for other ancestry groups in Oregon.

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Ranking of Oregon Counties By Population with American Ancestry in 2021

Related Topics: Oregon ACS-5Yrs Estimates, 2021 Topic List.

Data Source: US Census Bureau.

Ranking of Oregon Counties By Percentage of Population with American Ancestry in 2021

Wheeler County

Grant County

Harney County

Gilliam County

Wallowa County

Wasco County

Douglas County

Curry County

Josephine County

Polk County

Ranking of Oregon Counties By Percentage of Population with American Ancestry in 2021

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Rank	County	Percentage of Pop. (%)
1	Wheeler County	17.54
2	Grant County	16.24
3	Harney County	14.33
4	Gilliam County	9.52
5	Wallowa County	7.03
6	Wasco County	6.85
7	Douglas County	6.74
8	Curry County	6.65
9	Josephine County	6.37
9	Polk County	6.37
10	Coos County	6.26
11	Union County	6.08
12	Crook County	5.63
13	Columbia County	5.52
14	Umatilla County	5.29
15	Clackamas County	5.26
16	Sherman County	5.21
17	Tillamook County	5.04
18	Morrow County	4.92
19	Hood River County	4.91
20	Clatsop County	4.88
21	Klamath County	4.85
22	Yamhill County	4.78
23	Lake County	4.50
24	Multnomah County	4.41
25	Deschutes County	4.29
26	Jefferson County	4.23
27	Washington County	4.18
28	Linn County	4.11
29	Baker County	4.08
30	Jackson County	4.05
31	Lane County	3.99
32	Malheur County	3.73
33	Lincoln County	3.54
34	Benton County	3.31
35	Marion County	3.09