Ranking of Idaho Counties By Percentage of Population with Other Groups Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 425.86K people in Idaho with Other Groups ancestry (23.51% of Idaho population). Among all Idaho counties, Camas County had the highest percentage of its population with Other Groups ancestry (55.75%), followed by Blaine County (50.28%), and Gooding County (48.00%).

The chart and table below shows the top 10 counties with high percentage of its population having Other Groups ancestry.

You can see similar information for other states and for other ancestry groups in Idaho.

Data Source: US Census Bureau.
Ranking of Idaho Counties By Percentage of Population with Other Groups Ancestry in 2021
Camas County
Blaine County
Gooding County
Lincoln County
Jerome County
Minidoka County
Clark County
Cassia County
Power County
Owyhee County
Ranking of Idaho Counties By Percentage of Population with Other Groups Ancestry in 2021
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Rank County Percentage of Pop. (%)
1 Camas County 55.75
2 Blaine County 50.28
3 Gooding County 48.00
4 Lincoln County 47.51
5 Jerome County 43.47
6 Minidoka County 43.17
7 Clark County 39.93
8 Cassia County 37.47
9 Power County 36.36
10 Owyhee County 36.34
11 Canyon County 33.19
12 Elmore County 30.86
13 Bingham County 29.36
14 Twin Falls County 29.21
15 Payette County 28.62
16 Washington County 25.57
17 Bannock County 23.65
18 Gem County 23.47
19 Bonneville County 22.05
20 Benewah County 21.91
21 Nez Perce County 21.07
22 Teton County 20.04
23 Ada County 19.64
24 Lewis County 18.57
25 Fremont County 18.39
26 Latah County 18.14
27 Boundary County 17.28
28 Boise County 16.92
29 Jefferson County 16.69
30 Madison County 16.55
31 Clearwater County 15.79
32 Shoshone County 15.46
33 Franklin County 15.30
34 Idaho County 15.25
35 Caribou County 15.09
36 Kootenai County 14.83
37 Adams County 14.09
38 Bonner County 14.06
39 Butte County 13.99
40 Custer County 13.93
41 Lemhi County 13.41
42 Bear Lake County 12.85
43 Valley County 10.85
44 Oneida County 9.55