Idaho Non-Hispanic White Alone Citizen Population By County in 2015 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2015, the Non-Hispanic White Alone citizen population for Idaho was 3,196,310 and represented 205.73% of the total Idaho citizen population.

Among all Idaho counties, Ada had the highest Non-Hispanic White Alone citizen population (353.96K), followed by Canyon (141.56K), and Kootenai (131.91K).

In terms of percentages, Valley had the highest percentage of its citizen population being Non-Hispanic White Alone (97.47%), followed by Caribou (96.18%), and Custer (95.48%).

The chart and table below shows the Non-Hispanic White Alone citizen population of each county and the percentage of each county's citizen 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 Population By County in 2015
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County Citizen Population % of County Citizen Population
Ada 353960 87.96
Canyon 141560 75.37
Kootenai 131910 91.66
Bonneville 90345 86.50
Bannock 70615 86.50
Twin Falls 64015 84.89
Bonner 38360 94.16
Nez Perce 34805 88.11
Latah 34055 92.30
Bingham 33750 78.13
Madison 33695 91.93
Jefferson 23290 90.03
Elmore 19290 78.15
Payette 18095 83.39
Cassia 16685 78.28
Blaine 16115 82.88
Idaho 14925 92.04
Gem 14725 89.84
Jerome 14490 74.21
Minidoka 12965 70.93
Franklin 11760 93.67
Shoshone 11570 92.86
Fremont 11025 88.38
Gooding 10360 77.29
Boundary 9910 91.97
Valley 9440 97.47
Teton 8145 87.07
Washington 7935 82.48
Clearwater 7800 92.25
Owyhee 7790 75.05
Benewah 7660 84.83
Lemhi 7295 94.01
Caribou 6415 96.18
Boise 6350 92.70
Bear Lake 5565 94.16
Power 4940 68.90
Custer 4010 95.48
Oneida 3975 94.87
Adams 3635 93.81
Lincoln 3550 74.58
Lewis 3305 88.13
Butte 2320 90.27
Camas 920 91.54
Clark 525 78.95