Ranking of Idaho 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 Idaho counties, Ada County had the highest voting-age population who identified as Non-Hispanic (not hispanic or latino) (348.64K), followed by Canyon County (129.97K), and Kootenai County (126.63K).

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