Ranking of Idaho Counties By Percentage of Population that are Black or African American Alone in 2018

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2018, among all Idaho counties, Elmore County had the highest percentage of its population who identified their race as Black or African American Alone (3.19%), followed by Clark County (1.78%), and Ada County (1.31%).

The chart below shows the top 10 counties, and the table below shows the ranking of all Idaho counties.

You can see similar ranking information for other racial and ethnicity groups in the United States.

You can also see similar information for other states, and also the ranking of all counties in the United States.

See this for other years:
Ranking of Idaho Counties By Percentage of Pop. that are Black or African American Alone in 2018
Elmore
Clark
Ada
Power
Latah
Bannock
Owyhee
Twin Falls
Cassia
Canyon
Ranking of Idaho Counties By Percentage of Pop. that are Black or African American Alone in 2018
0 of 0
Rank County % of County Population
1 Elmore County 3.19
2 Clark County 1.78
3 Ada County 1.31
4 Power County 1.12
5 Latah County 1.08
6 Bannock County 1.01
7 Owyhee County 0.92
7 Twin Falls County 0.92
8 Cassia County 0.9
9 Canyon County 0.82
10 Fremont County 0.75
11 Jerome County 0.73
12 Madison County 0.72
13 Minidoka County 0.71
14 Bonneville County 0.7
15 Clearwater County 0.65
16 Shoshone County 0.63
17 Blaine County 0.62
18 Bingham County 0.6
19 Gooding County 0.59
20 Custer County 0.57
21 Boundary County 0.56
22 Camas County 0.55
22 Lewis County 0.55
23 Boise County 0.53
24 Idaho County 0.52
24 Washington County 0.52
25 Nez Perce County 0.51
26 Benewah County 0.47
27 Lincoln County 0.45
27 Payette County 0.45
28 Valley County 0.44
29 Jefferson County 0.43
29 Oneida County 0.43
30 Butte County 0.42
30 Kootenai County 0.42
31 Bear Lake County 0.4
31 Teton County 0.4
32 Lemhi County 0.38
33 Adams County 0.36
34 Bonner County 0.29
35 Franklin County 0.28
36 Gem County 0.26
37 Caribou County 0.16