Ranking of South Dakota Counties By American Indian and Alaska Native Alone Voting-age Population from Census 2020

According to the data from the United States 2020 decennial Census, as at April 2020, among all South Dakota counties, Oglala Lakota County had the highest voting-age population who identified their race as American Indian and Alaska Native Alone (7.95K), followed by Pennington County (7.56K), and Todd County (4.86K).

The chart below shows the top 10 counties, and the table below shows the ranking of all South Dakota counties based on American Indian and Alaska Native Alone voting-age population.

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