Duncan 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 100 Duncan CDP, IA population, 47 had German ancestry (47.00%), 40 had Unclassified ancestry (40.00%), and 26 had Dutch ancestry (26.00%).
The chart below shows the top 6 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.
Data Source: US Census - ACS 5-Year Estimates (2021).
Duncan CDP, IA Population By Ancestry in 2021
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| Ancestry | Number of Ancestry | Percentage of Population (%) |
|---|---|---|
| German | 47 | 47.00 |
| Unclassified | 40 | 40.00 |
| Dutch | 26 | 26.00 |
| Norwegian | 13 | 13.00 |
| English | 11 | 11.00 |
| Scottish | 6 | 6.00 |