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

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 56.88K people in Idaho with Italian ancestry (3.14% of Idaho population). Among all Idaho counties, Custer County had the highest percentage of its population with Italian ancestry (5.71%), followed by Butte County (5.56%), and Teton County (5.47%).

The chart and table below shows the top 10 counties with high percentage of its population having Italian 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 Italian Ancestry in 2021
Custer County
Butte County
Teton County
Shoshone County
Latah County
Kootenai County
Bonner County
Ada County
Nez Perce County
Blaine County
Ranking of Idaho Counties By Percentage of Population with Italian Ancestry in 2021
0 of 0
Rank County Percentage of Pop. (%)
1 Custer County 5.71
2 Butte County 5.56
3 Teton County 5.47
4 Shoshone County 5.31
5 Latah County 5.00
6 Kootenai County 4.63
7 Bonner County 4.53
8 Ada County 4.02
9 Nez Perce County 4.00
10 Blaine County 3.57
11 Elmore County 3.44
12 Adams County 3.40
13 Bannock County 3.32
14 Power County 3.18
15 Jefferson County 3.13
16 Benewah County 2.91
17 Clearwater County 2.83
18 Boundary County 2.62
19 Caribou County 2.61
20 Lewis County 2.60
21 Gem County 2.58
22 Canyon County 2.56
23 Idaho County 2.52
24 Twin Falls County 2.24
25 Valley County 2.22
26 Bonneville County 2.12
27 Boise County 2.05
28 Lemhi County 1.95
29 Clark County 1.67
30 Washington County 1.58
31 Jerome County 1.46
32 Bear Lake County 1.45
32 Madison County 1.45
33 Minidoka County 1.24
34 Payette County 1.21
35 Fremont County 1.05
36 Bingham County 0.99
37 Gooding County 0.92
38 Cassia County 0.91
39 Oneida County 0.80
40 Lincoln County 0.58
41 Owyhee County 0.57
42 Franklin County 0.43
43 Camas County 0.29