Idaho Citizen Voting-age Population By County in 2022 (ACS-5Yrs)

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2022, the citizen voting-age population for Idaho was 1,344,940 and represented 72.54% of the total Idaho population.

Among all Idaho counties, Ada had the highest citizen voting-age population (372.78K), followed by Canyon (160.23K), and Kootenai (132.88K).

In terms of percentages, Custer had the highest percentage of its population being citizens of voting-age (84.35%), followed by Clearwater (84.05%), and Boise (83.23%).

The chart and table below shows the citizen voting-age population of each county and the percentage of each county's population that were citizens of voting-age.

You can see similar information for other states and by state for the United States.