Ranking of Idaho Counties By Percentage of Population that were Immigrants or Foreign-Born in 2021 (ACS-5Yrs)

Updated on September 27, 2024.

Based on the US Census ACS-5Yrs estimates, in 2021, among all Idaho counties, Clark had the highest percentage of its population being immigrants or foreign-born (23.84%), followed by Jerome (17.62%), and Blaine (16.80%).

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

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

Ranking of Idaho Counties By Percentage of Population that were Immigrants or Foreign-Born in 2021
Clark
Jerome
Blaine
Lincoln
Power
Minidoka
Gooding
Cassia
Elmore
Teton
Ranking of Idaho Counties By Percentage of Population that were Immigrants or Foreign-Born in 2021
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Rank County Perc. of County Population (%)
1 Clark 23.84
2 Jerome 17.62
3 Blaine 16.80
4 Lincoln 16.22
5 Power 14.18
6 Minidoka 14.08
7 Gooding 12.34
8 Cassia 10.08
9 Elmore 9.97
10 Teton 9.24
11 Owyhee 8.80
12 Twin Falls 8.52
13 Canyon 8.40
14 Payette 6.71
15 Washington 6.55
16 Fremont 5.95
17 Ada 5.69
18 Bingham 4.73
19 Boundary 4.55
20 Caribou 4.37
21 Latah 4.31
22 Bonneville 4.28
23 Boise 4.15
24 Jefferson 3.90
25 Gem 3.81
26 Madison 3.77
27 Butte 3.38
28 Bannock 3.10
29 Oneida 2.90
30 Franklin 2.89
31 Bear Lake 2.78
31 Camas 2.78
32 Clearwater 2.45
33 Kootenai 2.28
34 Bonner 1.85
35 Lemhi 1.81
36 Nez Perce 1.74
37 Lewis 1.58
38 Idaho 1.53
39 Shoshone 1.23
40 Adams 1.13
41 Benewah 1.09
42 Valley 0.86
43 Custer 0.56