Ranking of Idaho Counties By Percentage of Population with Eastern European Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 2.71K people in Idaho with Eastern European ancestry (0.15% of Idaho population). Among all Idaho counties, Valley County had the highest percentage of its population with Eastern European ancestry (1.25%), followed by Boundary County (0.46%), and Shoshone County (0.46%).

The chart and table below shows the top 10 counties with high percentage of its population having Eastern European 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 Eastern European Ancestry in 2021
Valley County
Boundary County
Shoshone County
Jerome County
Idaho County
Blaine County
Lemhi County
Lewis County
Latah County
Ada County
Ranking of Idaho Counties By Percentage of Population with Eastern European Ancestry in 2021
0 of 0
Rank County Percentage of Pop. (%)
1 Valley County 1.25
2 Boundary County 0.46
2 Shoshone County 0.46
3 Jerome County 0.34
4 Idaho County 0.33
5 Blaine County 0.31
6 Lemhi County 0.28
6 Lewis County 0.28
7 Latah County 0.26
8 Ada County 0.23
9 Bonner County 0.19
9 Washington County 0.19
10 Gem County 0.18
11 Lincoln County 0.17
12 Bonneville County 0.15
13 Benewah County 0.12
14 Kootenai County 0.11
15 Madison County 0.10
16 Canyon County 0.09
16 Minidoka County 0.09
17 Bannock County 0.08
17 Twin Falls County 0.08
18 Boise County 0.07
19 Nez Perce County 0.06
20 Caribou County 0.03
20 Elmore County 0.03
21 Bingham County 0.02
21 Jefferson County 0.02