Waterloo city, IL Foreign-Born Population By Country of Birth in 2021 (ACS-5Yrs)

Updated on November 5, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the Foreign-Born population of Waterloo city, IL was 185, which was 1.70% of the population of Waterloo city, IL.

The highest percentage of the Waterloo city foreign-born population were born in Korea (30.81%), followed by Vietnam (25.95%), and Netherlands (9.73%).

The chart below shows the top 6 place of birth countries for the Waterloo city Foreign-born population as a percentage of the total Waterloo city foreign-born population. The table below shows the population and percentage of the Waterloo city foreign-born population for many different place of birth countries.

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

Data Source: US Census Bureau.
Waterloo city, IL Percentage of Foreign-Born Population By Country of Birth in 2021
Korea
Vietnam
Netherlands
Mexico
Philippines
China
Waterloo city, IL Foreign-Born Population By Country of Birth in 2021 (ACS-5Yrs)
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Country of Birth Number of People Percentage of Foreign-Born (%)
Korea 57 30.81
Vietnam 48 25.95
Netherlands 18 9.73
Mexico 16 8.65
Philippines 15 8.11
China 10 5.41