Idaho Non-Hispanic White Alone Citizen Voting-age Population By County in 2020 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2020, the Non-Hispanic White Alone citizen voting-age population for Idaho was 2,558,830 and represented 203.82% of the total Idaho citizen voting-age population.

Among all Idaho counties, Ada had the highest Non-Hispanic White Alone citizen voting-age population (306.19K), followed by Canyon (118.13K), and Kootenai (113.94K).

In terms of percentages, Camas had the highest percentage of its citizen voting-age population being Non-Hispanic White Alone (97.53%), followed by Oneida (97.53%), and Butte (95.34%).

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

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

You can also see similar information for other ethnicities.

See this for other years:
Idaho Non-Hispanic White Alone Citizen Voting-age Population By County in 2020
Idaho Non-Hispanic White Alone Citizen Voting-age Population By County in 2020
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County Citizen Voting-age Population % of County Citizen Voting-age Population
Ada 306190 88.01
Canyon 118130 78.28
Kootenai 113935 92.41
Bonneville 68780 88.24
Bannock 53990 86.54
Twin Falls 50245 86.42
Bonner 33390 94.28
Latah 28580 90.73
Nez Perce 28165 88.91
Madison 25605 91.66
Bingham 24335 79.27
Jefferson 16990 90.69
Elmore 15020 79.26
Payette 14140 85.59
Blaine 13565 85.45
Idaho 12210 92.12
Gem 12170 92.51
Cassia 11745 79.14
Jerome 11070 81.76
Minidoka 9690 75.09
Shoshone 9260 92.09
Valley 8600 93.58
Franklin 8560 93.60
Fremont 8455 92.46
Boundary 8380 91.84
Gooding 8020 83.24
Teton 7290 88.47
Clearwater 6465 91.51
Washington 6385 86.99
Benewah 6245 87.83
Owyhee 6245 79.30
Lemhi 6045 94.23
Boise 5780 92.04
Caribou 4560 95.10
Bear Lake 4140 93.77
Power 3515 75.59
Adams 3205 92.10
Custer 3060 89.61
Oneida 2955 97.53
Lincoln 2640 84.08
Lewis 2570 86.82
Butte 1945 95.34
Camas 790 97.53
Clark 355 77.17