Nachusa CDP, IL Population By Ancestry in 2021 (ACS-5Yrs)

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, among the 163 Nachusa CDP, IL population, 56 had German ancestry (34.36%), 47 had Irish ancestry (28.83%), and 45 had English ancestry (27.61%).

The chart below shows the top 9 ancestry groups, and the table below shows both the population and percentages for many ancestry groups.

You can also see similar information for other Illinois cities and places, and for Illinois.

NB: People could belong to one or more ancestry groups.

Data Source: US Census Bureau.

Nachusa CDP, IL Percentage of Ancestry Population in 2021

German

Irish

English

Dutch

Other Groups

Unclassified

Italian

Swedish

European

Nachusa CDP, IL Population By Ancestry in 2021

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Ancestry	Population	Percent of Pop. (%)
German	56	34.36
Irish	47	28.83
English	45	27.61
Dutch	18	11.04
Other Groups	18	11.04
Unclassified	18	11.04
Italian	10	6.14
Swedish	3	1.84
European	1	0.61