Olive Branch 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 548 Olive Branch CDP, IL population, 314 had Unclassified ancestry (57.30%), 127 had German ancestry (23.18%), and 59 had Other Groups ancestry (10.77%).

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.

Olive Branch CDP, IL Percentage of Ancestry Population in 2021

Unclassified

German

Other Groups

English

Irish

American

European

Welsh

French (except Basque)

Olive Branch CDP, IL Population By Ancestry in 2021

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Ancestry	Population	Percent of Pop. (%)
Unclassified	314	57.30
German	127	23.18
Other Groups	59	10.77
English	44	8.03
Irish	17	3.10
American	13	2.37
European	7	1.28
Welsh	6	1.10
French (except Basque)	4	0.73