Ranking of South Dakota Counties By Percentage of the Voting-age Population that Identified as Non-Hispanic from Census 2020

According to the data from the United States 2020 decennial Census, in April 2020, among all of South Dakota counties, Jones County had the highest percentange of a county's voting-age population who identified as Non-Hispanic (not hispanic or latino) (99.42%), followed by Potter County (99.30%), and Stanley County (99.24%).

The chart below shows the top 10 counties, and the table below shows the ranking of all South Dakota counties based on the percentage of each county's voting-age population that identified as non-hispanic.

You can see similar ranking information for other states and also for the different racial groups in South Dakota.