English: Iowa: largest Non-Hispanic Native American ancestry by county, numbers of people reporting "Native American Alone".
Date
Source
Own work based on 2020 census (in case of counties for which there was no tribal data in 2020 census, I used 2010 census, and in case of counties for which there was no tribal data in 2010 census, I used 2018-2022 American Community Survey tribal data).
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