Ranking of Idaho Counties By Percentage of Population that are White Alone in 2018

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2018, among all Idaho counties, Oneida County had the highest percentage of its population who identified their race as White Alone (97.54%), followed by Caribou County (97.34%), and Franklin County (97.09%).

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 White Alone in 2018
Oneida
Caribou
Franklin
Bear Lake
Teton
Fremont
Lemhi
Custer
Jefferson
Valley
Ranking of Idaho Counties By Percentage of Pop. that are White Alone in 2018
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Rank County % of County Population
1 Oneida County 97.54
2 Caribou County 97.34
3 Franklin County 97.09
4 Bear Lake County 96.88
5 Teton County 96.48
6 Fremont County 96.16
7 Lemhi County 96.04
8 Custer County 95.87
9 Jefferson County 95.84
10 Valley County 95.83
11 Bonner County 95.56
12 Butte County 95.49
13 Madison County 95.25
14 Gem County 95.21
15 Cassia County 94.88
16 Jerome County 94.67
17 Blaine County 94.64
18 Bonneville County 94.63
18 Kootenai County 94.63
19 Lincoln County 94.59
19 Minidoka County 94.59
20 Adams County 94.45
21 Boundary County 94.37
22 Washington County 94.32
23 Boise County 94.28
24 Shoshone County 94.2
25 Gooding County 94.19
26 Camas County 94.17
27 Payette County 94.09
28 Twin Falls County 93.71
29 Clearwater County 93.61
30 Idaho County 93.53
31 Canyon County 93.35
32 Latah County 92.38
33 Power County 92.34
34 Ada County 92
35 Owyhee County 91.84
36 Clark County 90.89
37 Bannock County 90.54
38 Nez Perce County 89.73
39 Bingham County 88.94
40 Elmore County 87.84
41 Lewis County 87.69
42 Benewah County 86.73