Adams 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 65.88K Adams County, IL population, 23.90K had German ancestry (36.28%), 20.16K had Unclassified ancestry (30.61%), and 8.06K had Other Groups ancestry (12.23%).

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.

Adams County, IL Percentages of Ancestry of Population in 2021
German
Unclassified
Other Groups
Irish
English
American
Italian
French (except Basque)
Scottish
European
Adams County, IL Population By Ancestry in 2021
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Ancestry Number of Ancestry Percentage of Population (%)
German 23902 36.28
Unclassified 20163 30.61
Other Groups 8057 12.23
Irish 6999 10.62
English 5464 8.29
American 4268 6.48
Italian 1457 2.21
French (except Basque) 1404 2.13
Scottish 943 1.43
European 937 1.42
Swedish 897 1.36
Scotch Irish 686 1.04
Dutch 649 0.99
Polish 627 0.95
Subsaharan African 370 0.56
African 370 0.56
Norwegian 365 0.55
British 361 0.55
Welsh 344 0.52
French Canadian 249 0.38
West Indian (except Hispanic groups) 203 0.31
Greek 199 0.30
Belizean 183 0.28
Scandinavian 172 0.26
Hungarian 147 0.22
Swiss 127 0.19
Czech 103 0.16
Northern European 85 0.13
Portuguese 82 0.12
Danish 65 0.10
Austrian 56 0.09
Canadian 53 0.08
Croatian 47 0.07
Russian 46 0.07
Eastern European 45 0.07
Bulgarian 38 0.06
Jordanian 26 0.04
Brazilian 25 0.04
Romanian 23 0.04
Finnish 20 0.03
British West Indian 20 0.03
Slovene 17 0.03
Turkish 16 0.02
Iranian 13 0.02
Pennsylvania German 13 0.02
Lebanese 12 0.02
Czechoslovakian 9 0.01
Slovak 8 0.01
Syrian 3 0.01
Celtic 2 0.00
Moroccan 1 0.00