Idaho Non-Hispanic White Alone Citizen Population By County in 2021 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2021, the Non-Hispanic White Alone citizen population for Idaho was 3,246,485 and represented 185.24% of the total Idaho citizen population.

Among all Idaho counties, Ada had the highest Non-Hispanic White Alone citizen population (404.64K), followed by Canyon (157.35K), and Kootenai (151.20K).

In terms of percentages, Valley had the highest percentage of its citizen population being Non-Hispanic White Alone (94.54%), followed by Oneida (94.36%), and Bear Lake (93.98%).

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 2021
Idaho Non-Hispanic White Alone Citizen Population By County in 2021
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County Citizen Population % of County Citizen Population
Ada 404640 85.70
Canyon 157355 72.65
Kootenai 151195 90.65
Bonneville 100040 84.12
Bannock 71375 84.03
Twin Falls 69050 81.71
Madison 44625 89.64
Bonner 42845 93.15
Nez Perce 36160 86.78
Bingham 34965 75.45
Latah 34400 89.49
Jefferson 26330 88.82
Elmore 20350 75.64
Payette 19335 81.26
Blaine 17165 80.34
Cassia 16830 74.04
Gem 16230 88.71
Idaho 14915 90.86
Jerome 14400 70.66
Minidoka 13160 67.52
Franklin 12710 91.74
Shoshone 11890 91.25
Fremont 11345 88.81
Valley 10815 94.54
Boundary 10460 90.17
Gooding 10335 73.61
Teton 9305 86.44
Washington 8230 82.22
Owyhee 8110 73.76
Benewah 8020 84.60
Clearwater 7705 90.01
Lemhi 7385 93.72
Boise 6725 91.00
Caribou 6355 93.11
Bear Lake 5850 93.98
Power 4775 66.55
Oneida 4185 94.36
Adams 3920 91.59
Custer 3840 90.35
Lincoln 3375 72.82
Lewis 3010 83.73
Butte 2325 93.19
Camas 960 93.66
Clark 465 67.88