Idaho Non-Hispanic Voting-age Population By County from Census 2020

Updated on February 22, 2026.

According to the data from the US 2020 decennial Census, as at April 2020, the voting-age population, of people (of all racial backgrounds) in Idaho who identified as Non-Hispanic (not hispanic or latino) was 1,224,700; and represented 88.98% of the total Idaho voting-age population.

Ada County had the highest non-hispanic voting-age population (348.64K), followed by Canyon County (129.97K), and Kootenai County (126.63K). On the other hand, the three counties with low non-hispanic voting-age popoulation were: Clark County (399), Camas County (796), and Butte County (1.84K).

You can also see similar information for other states and also for the US by state.

Hover over or click on the counties in the chart below to see the number and percentage of each county's voting-age population that identified as non-hispanic. You can also see this information in a table at the bottom of the page.

Idaho Non-Hispanic Votign-age Population By County from Census 2020
Idaho Non-Hispanic Voting-age Population By County from Census 2020
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County Non-Hispanic Voting-age Population % of County Voting-age Population
Ada 348638 92.12
Adams 3513 97.07
Bannock 59303 92.15
Bear Lake 4502 97.24
Benewah 7267 97.82
Bingham 28074 84.27
Blaine 15925 83.15
Boise 6127 96.40
Bonner 36918 97.39
Bonneville 76097 88.27
Boundary 8763 94.75
Butte 1835 95.47
Camas 796 96.02
Canyon 129972 78.09
Caribou 4728 95.11
Cassia 12471 73.36
Clark 399 68.79
Clearwater 7099 97.19
Custer 3434 97.06
Elmore 18147 84.62
Franklin 9083 93.81
Fremont 8704 89.75
Gem 13553 92.85
Gooding 8280 73.44
Idaho 12886 97.11
Jefferson 18413 90.38
Jerome 11361 67.33
Kootenai 126626 95.78
Latah 30174 95.03
Lemhi 6272 96.94
Lewis 2713 97.00
Lincoln 2620 70.96
Madison 38063 90.32
Minidoka 10247 66.61
Nez Perce 31948 96.69
Oneida 3163 96.64
Owyhee 6857 78.62
Payette 16037 85.98
Power 3954 71.89
Shoshone 10314 97.40
Teton 7380 85.67
Twin Falls 55911 85.40
Valley 9157 95.79
Washington 6976 86.77