Rome 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 1.56K Rome CDP, IL population, 438 had German ancestry (28.15%), 417 had Unclassified ancestry (26.80%), and 361 had American ancestry (23.20%).

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.

Rome CDP, IL Percentage of Ancestry Population in 2021

German

Unclassified

American

Irish

English

Other Groups

French (except Basque)

European

Polish

Dutch

Rome CDP, IL Population By Ancestry in 2021

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Ancestry	Population	Percent of Pop. (%)
German	438	28.15
Unclassified	417	26.80
American	361	23.20
Irish	212	13.63
English	152	9.77
Other Groups	85	5.46
French (except Basque)	67	4.31
European	43	2.76
Polish	32	2.06
Dutch	26	1.67
British	18	1.16
Swedish	11	0.71
Northern European	10	0.64
Scotch Irish	10	0.64
Austrian	9	0.58
Welsh	9	0.58
Italian	8	0.51
Swiss	8	0.51
Norwegian	2	0.13
Portuguese	2	0.13