Green County, WI Population By Ancestry in 2021 (ACS-5Yrs)

Updated on March 4, 2024.

Based on the US Census ACS-5Yrs estimates, in 2021, among the 37.10K Green County, WI population, 14.30K had German ancestry (38.55%), 7.06K had Unclassified ancestry (19.02%), and 6.33K had Swiss ancestry (17.07%).

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 Wisconsin counties, and for Wisconsin.

Green County, WI Percentages of Ancestry of Population in 2021
German
Unclassified
Swiss
Norwegian
Irish
Other Groups
English
American
Polish
Italian
Green County, WI Population By Ancestry in 2021
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Ancestry Number of Ancestry Percentage of Population (%)
German 14301 38.55
Unclassified 7058 19.02
Swiss 6334 17.07
Norwegian 5573 15.02
Irish 4606 12.42
Other Groups 3286 8.86
English 2876 7.75
American 1399 3.77
Polish 1177 3.17
Italian 992 2.67
French (except Basque) 689 1.86
Swedish 554 1.49
European 513 1.38
Dutch 387 1.04
Danish 345 0.93
Scottish 324 0.87
Welsh 209 0.56
Czech 187 0.50
French Canadian 174 0.47
Russian 161 0.43
Scotch Irish 154 0.42
Pennsylvania German 150 0.40
British 104 0.28
Scandinavian 102 0.28
Greek 90 0.24
Romanian 74 0.20
Finnish 66 0.18
Lithuanian 61 0.16
Belgian 58 0.16
Subsaharan African 53 0.14
Austrian 48 0.13
Hungarian 45 0.12
Slovak 41 0.11
African 38 0.10
Serbian 26 0.07
West Indian (except Hispanic groups) 26 0.07
Haitian 26 0.07
Slavic 25 0.07
Croatian 22 0.06
Australian 21 0.06
Czechoslovakian 14 0.04
Ukrainian 14 0.04
Egyptian 13 0.04
Canadian 13 0.04
Eastern European 13 0.04
Brazilian 12 0.03
Northern European 12 0.03
Luxembourger 11 0.03
Nigerian 10 0.03
Albania 9 0.02
Iranian 7 0.02
Portuguese 7 0.02
Celtic 6 0.02
Latvian 6 0.02
Ethiopian 5 0.01
Cajun 4 0.01
Estonian 3 0.01
Armenian 1 0.00