German-Americans are the largest ancestry group in Oregon, with over 1 in 5 residents claiming a German background. Here is a list of the state's 50 largest ancestry groups:
Rank
|
Ancestry
|
Oregon Estimated Population
|
Percentage of Total Population
|
Total:
|
3,838,957
|
100.0%
|
|
1
|
German
|
779,347
|
20.3%
|
2
|
Irish
|
484,663
|
12.6%
|
3
|
English
|
458,765
|
12.0%
|
4
|
American
|
192,306
|
5.0%
|
5
|
Italian
|
148,681
|
3.9%
|
6
|
Norwegian
|
146,197
|
3.8%
|
7
|
French
(except Basque)
|
127,996
|
3.3%
|
8
|
Scottish
|
117,861
|
3.1%
|
9
|
Swedish
|
110,330
|
2.9%
|
10
|
European
|
94,238
|
2.5%
|
11
|
Dutch
|
90,850
|
2.4%
|
12
|
Polish
|
59,350
|
1.5%
|
13
|
Scotch-Irish
|
59,047
|
1.5%
|
14
|
Russian
|
52,284
|
1.4%
|
15
|
Danish
|
40,289
|
1.0%
|
16
|
Welsh
|
38,876
|
1.0%
|
17
|
Swiss
|
29,506
|
0.8%
|
18
|
French
Canadian
|
28,498
|
0.7%
|
19
|
Scandinavian
|
24,580
|
0.6%
|
20
|
British
|
23,102
|
0.6%
|
21
|
Ukrainian
|
22,270
|
0.6%
|
22
|
Portuguese
|
22,202
|
0.6%
|
23
|
Finnish
|
21,612
|
0.6%
|
24
|
Czech
|
18,934
|
0.5%
|
25
|
Canadian
|
16,316
|
0.4%
|
26
|
Hungarian
|
15,387
|
0.4%
|
27
|
Greek
|
14,323
|
0.4%
|
28
|
African
|
12,000
|
0.3%
|
29
|
Romanian
|
11,228
|
0.3%
|
30
|
Northern
European
|
10,817
|
0.3%
|
31
|
Austrian
|
10,346
|
0.3%
|
32
|
Eastern
European
|
6,188
|
0.2%
|
33
|
Belgian
|
5,866
|
0.2%
|
34
|
Czechoslovakian
|
5,565
|
0.1%
|
35
|
Croatian
|
5,419
|
0.1%
|
36
|
Iranian
|
5,092
|
0.1%
|
37
|
Lithuanian
|
4,489
|
0.1%
|
38
|
Yugoslavian
|
4,278
|
0.1%
|
39
|
Armenian
|
3,610
|
0.1%
|
40
|
Lebanese
|
3,472
|
0.1%
|
41
|
Arab
|
2,872
|
0.1%
|
42
|
Slovak
|
2,641
|
0.1%
|
43
|
Bulgarian
|
2,398
|
0.1%
|
44
|
Other
Arab
|
2,352
|
0.1%
|
45
|
Turkish
|
1,991
|
0.1%
|
46
|
Syrian
|
1,983
|
0.1%
|
47
|
Basque
|
1,930
|
0.1%
|
48
|
Slavic
|
1,925
|
0.1%
|
49
|
South
African
|
1,915
|
0.0%
|
50
|
Pennsylvania
German
|
1,906
|
0.0%
|
Source: U.S. Census Bureau, 2010 American Community Survey
B04006 People Reporting Ancestry, 1 year estimates