Rochester CDP, IA Population By Ancestry in 2021 (ACS-5Yrs)

Updated on March 7, 2024.

Based on the US Census ACS-5Yrs estimates, in 2021, among the 62 Rochester CDP, IA population, 52 had German ancestry (83.87%), 31 had Irish ancestry (50.00%), and 10 had Unclassified ancestry (16.13%).

The chart below shows the top 3 ancestry groups, and the table below shows both the number and percentages for all ancestry groups.

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

Rochester CDP, IA Percentages of Ancestry of Population in 2021
German
Irish
Unclassified
Rochester CDP, IA Population By Ancestry in 2021
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Ancestry Number of Ancestry Percentage of Population (%)
German 52 83.87
Irish 31 50.00
Unclassified 10 16.13