Ranking of Iowa Counties By Non-Hispanic - White Alone Population from Census 2020

According to the data from the United States 2020 decennial Census for Iowa counties, in April 2020, Polk County had the highest number of people who identified their race as Non-Hispanic - White Alone (362.26K), followed by Linn County (187.91K), and Scott County (134.58K).

The chart below shows the top 10 counties, and the table below shows the ranking of all Iowa counties.

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.