Ranking of Idaho Counties By Percentage of Population with Romanian Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 2.41K people in Idaho with Romanian ancestry (0.13% of Idaho population). Among all Idaho counties, Caribou County had the highest percentage of its population with Romanian ancestry (1.50%), followed by Butte County (1.24%), and Custer County (0.68%).

The chart and table below shows the top 10 counties with high percentage of its population having Romanian 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 Romanian Ancestry in 2021
Caribou County
Butte County
Custer County
Teton County
Bonner County
Bear Lake County
Kootenai County
Idaho County
Ada County
Bannock County
Ranking of Idaho Counties By Percentage of Population with Romanian Ancestry in 2021
0 of 0
Rank County Percentage of Pop. (%)
1 Caribou County 1.50
2 Butte County 1.24
3 Custer County 0.68
4 Teton County 0.63
5 Bonner County 0.44
6 Bear Lake County 0.41
7 Kootenai County 0.25
8 Idaho County 0.23
9 Ada County 0.19
10 Bannock County 0.16
11 Franklin County 0.13
12 Lincoln County 0.12
12 Nez Perce County 0.12
13 Canyon County 0.09
14 Bonneville County 0.08
14 Washington County 0.08
15 Elmore County 0.04
15 Latah County 0.04
15 Lemhi County 0.04
16 Lewis County 0.03
16 Madison County 0.03
17 Boise County 0.01
17 Gooding County 0.01
17 Payette County 0.01