Marshall County, IL Population By Ancestry in 2021 (ACS-5Yrs)

Updated on March 3, 2024.

Based on the US Census ACS-5Yrs estimates, in 2021, among the 11.78K Marshall County, IL population, 3.76K had German ancestry (31.92%), 3.04K had Unclassified ancestry (25.83%), and 1.83K had Irish ancestry (15.49%).

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 Illinois counties, and for Illinois.

Marshall County, IL Percentages of Ancestry of Population in 2021
German
Unclassified
Irish
Other Groups
English
American
Italian
Polish
Swedish
European
Marshall County, IL Population By Ancestry in 2021
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Ancestry Number of Ancestry Percentage of Population (%)
German 3761 31.92
Unclassified 3043 25.83
Irish 1825 15.49
Other Groups 1300 11.04
English 1211 10.28
American 869 7.38
Italian 743 6.31
Polish 467 3.96
Swedish 338 2.87
European 275 2.33
French (except Basque) 261 2.22
Dutch 133 1.13
Scottish 113 0.96
Croatian 104 0.88
Swiss 98 0.83
Welsh 86 0.73
Lithuanian 74 0.63
Slovak 74 0.63
Scotch Irish 71 0.60
Norwegian 57 0.48
British 56 0.48
Hungarian 47 0.40
Danish 46 0.39
Pennsylvania German 37 0.31
Czech 36 0.31
Syrian 33 0.28
Austrian 33 0.28
Scandinavian 30 0.26
Eastern European 29 0.25
Russian 24 0.20
Belgian 22 0.19
Greek 16 0.14
Lebanese 15 0.13
Canadian 9 0.08
Czechoslovakian 9 0.08
Subsaharan African 7 0.06
Finnish 6 0.05
African 5 0.04
Slavic 4 0.03
Ukrainian 4 0.03
Luxembourger 3 0.03
Yugoslavian 3 0.03
French Canadian 2 0.02
Latvian 2 0.02
Northern European 2 0.02
South African 2 0.02
Australian 1 0.01
Slovene 1 0.01