Ranking of Iowa Counties By Percentage of Population that Identified as Non-Hispanic - White Alone from Census 2020

According to the data from the United States 2020 decennial Census, in April 2020, among all Iowa counties, Audubon County had the highest percentage of its population that identified as Non-Hispanic - White Alone (95.93%), followed by Butler County (95.93%), and Davis County (95.88%).

The chart below shows the top 10 counties, and the table below shows the ranking of all Iowa counties based on the percentage of the population that identified as Non-Hispanic - White Alone.

You can see similar ranking information for other states. You can also see similar rankings of counties for other ethnicities as well as for the different racial groups in Iowa.

You can also see similar ranking for all counties in the United States.