Ranking of Montana Counties By Non-Hispanic Voting-age Population from Census 2020

According to the data from the United States 2020 decennial Census, in April 2020, among all of Montana counties, Yellowstone County had the highest voting-age population who identified as Non-Hispanic (not hispanic or latino) (120.30K), followed by Gallatin County (91.32K), and Missoula County (90.43K).

The chart below shows the top 10 counties, and the table below shows the ranking of all Montana counties based on the voting-age population who identified as non-hispanic.

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