Jefferson County, OR Population By Ancestry in 2021 (ACS-5Yrs)

Updated on March 3, 2024.

Based on the US Census ACS-5Yrs estimates, in 2021, among the 24.23K Jefferson County, OR population, 8.39K had Other Groups ancestry (34.62%), 7.63K had Unclassified ancestry (31.49%), and 2.98K had German ancestry (12.29%).

The chart below shows the top 10 ancestry groups, and the table below shows both the number and percentages for all ancestry groups.

You can see similar information for other Oregon counties, and for Oregon.

Jefferson County, OR Percentages of Ancestry of Population in 2021
Other Groups
Unclassified
German
English
Irish
American
European
Norwegian
Scottish
Italian
Jefferson County, OR Population By Ancestry in 2021
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Ancestry Number of Ancestry Percentage of Population (%)
Other Groups 8390 34.62
Unclassified 7631 31.49
German 2978 12.29
English 1887 7.79
Irish 1786 7.37
American 1025 4.23
European 633 2.61
Norwegian 546 2.25
Scottish 510 2.11
Italian 504 2.08
Swedish 462 1.91
Dutch 337 1.39
French (except Basque) 255 1.05
British 236 0.97
Swiss 204 0.84
Scotch Irish 131 0.54
Welsh 128 0.53
Polish 120 0.50
French Canadian 113 0.47
Danish 101 0.42
Canadian 92 0.38
Scandinavian 88 0.36
Czechoslovakian 80 0.33
Czech 55 0.23
Hungarian 55 0.23
Portuguese 55 0.23
Greek 52 0.22
Belgian 47 0.19
Finnish 43 0.18
Russian 38 0.16
Ukrainian 31 0.13
Subsaharan African 30 0.12
Arab 25 0.10
Austrian 18 0.07
African 18 0.07
Nigerian 12 0.05
Yugoslavian 10 0.04
Croatian 9 0.04
Eastern European 9 0.04
Northern European 9 0.04
Armenian 8 0.03
Turkish 6 0.03
Lithuanian 2 0.01
Estonian 1 0.00