Idaho Non-Hispanic Black or African American Alone Citizen Voting-age 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 Black Alone citizen voting-age population for Idaho was 990,635 and represented 76.30% of the total Idaho citizen voting-age population.

Among all Idaho counties, Ada had the highest Non-Hispanic Black Alone citizen voting-age population (3.49K), followed by Canyon (725), and Elmore (590).

In terms of percentages, Elmore had the highest percentage of its citizen voting-age population being Non-Hispanic Black Alone (2.99%), followed by Latah (0.98%), and Ada (0.97%).

The chart and table below shows the Non-Hispanic Black Alone citizen voting-age population of each county and the percentage of each county's citizen voting-age population that were Non-Hispanic Black 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 Black or African American Alone Citizen Voting-age Population By County in 2021
Idaho Non-Hispanic Black or African American Alone Citizen Voting-age Population By County in 2021
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County Citizen Voting-age Population % of County Citizen Voting-age Population
Ada 3485 0.97
Canyon 725 0.47
Elmore 590 2.99
Kootenai 385 0.30
Bannock 375 0.60
Latah 305 0.98
Twin Falls 290 0.48
Bonneville 205 0.25
Madison 115 0.32
Bonner 100 0.27
Shoshone 75 0.73
Payette 50 0.29
Benewah 40 0.55
Blaine 40 0.24
Nez Perce 40 0.12
Owyhee 40 0.50
Clearwater 30 0.42
Cassia 20 0.13
Idaho 20 0.15
Boundary 10 0.11
Fremont 10 0.11
Lewis 10 0.36
Minidoka 10 0.08
Adams 4 0.11
Bingham 4 0.01
Boise 4 0.06
Custer 4 0.11
Gem 4 0.03
Jerome 4 0.03
Lemhi 4 0.06
Oneida 4 0.13
Power 4 0.08
Valley 4 0.04
Washington 4 0.05
Bear Lake 0 0.00
Butte 0 0.00
Camas 0 0.00
Caribou 0 0.00
Clark 0 0.00
Franklin 0 0.00
Gooding 0 0.00
Jefferson 0 0.00
Lincoln 0 0.00
Teton 0 0.00