Ridgefield 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 422 Ridgefield CDP, IL population, 250 had Irish ancestry (59.24%), 219 had Italian ancestry (51.90%), and 84 had German ancestry (19.91%).

The chart below shows the top 10 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.

Ridgefield CDP, IL Percentage of Ancestry Population in 2021

Irish

Italian

German

Swedish

Polish

Unclassified

Other Groups

Belgian

Eastern European

Russian

Ridgefield CDP, IL Population By Ancestry in 2021

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Ancestry	Population	Percent of Pop. (%)
Irish	250	59.24
Italian	219	51.90
German	84	19.91
Swedish	54	12.80
Polish	51	12.09
Unclassified	51	12.09
Other Groups	13	3.08
Belgian	12	2.84
Eastern European	12	2.84
Russian	11	2.61