Ranking of Montana Counties By Percentage of Voting-age Population that were American Indian and Alaska Native Alone from Census 2020

According to the data from the United States 2020 decennial Census, as at April 2020, among all Montana counties, Glacier County had the highest percentage of its voting-age population that identified their race as American Indian and Alaska Native Alone (63.60%), followed by Big Horn County (60.28%), and Roosevelt County (53.20%).

The chart below shows the top 10 counties, and the table below shows the ranking of all Montana counties based on the percentage of the voting-age population that identified as American Indian and Alaska Native Alone.

You can see similar ranking information for other states. You can also see similar rankings of counties for other racial groups in Montana.