Ranking of Idaho Counties By Population with Scandinavian Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 16.05K people in Idaho with Scandinavian ancestry. Among all Idaho counties, Ada County had the highest population with Scandinavian ancestry (5.04K), followed by Kootenai County (2.09K), and Canyon County (1.60K).

The chart and table below shows the top 10 counties with high number of people with Scandinavian 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 Population with Scandinavian Ancestry in 2021
Ada County
Kootenai County
Canyon County
Bonneville County
Bannock County
Madison County
Latah County
Twin Falls County
Bonner County
Payette County
Ranking of Idaho Counties By Population with Scandinavian Ancestry in 2021
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Rank County Population
1 Ada County 5043
2 Kootenai County 2086
3 Canyon County 1596
4 Bonneville County 1128
5 Bannock County 722
6 Madison County 588
7 Latah County 484
8 Twin Falls County 478
9 Bonner County 355
10 Payette County 313
11 Nez Perce County 280
12 Elmore County 269
13 Jefferson County 213
14 Bingham County 189
14 Fremont County 189
14 Lemhi County 189
15 Gem County 188
16 Jerome County 185
17 Franklin County 184
18 Blaine County 175
19 Boundary County 142
19 Cassia County 142
20 Washington County 104
21 Shoshone County 98
22 Teton County 89
23 Adams County 81
24 Bear Lake County 61
24 Clearwater County 61
25 Boise County 60
26 Minidoka County 56
27 Custer County 50
27 Idaho County 50
28 Oneida County 32
29 Valley County 28
30 Power County 25
31 Caribou County 24
32 Benewah County 22
33 Gooding County 17
34 Butte County 12
35 Lewis County 11
36 Camas County 10
37 Owyhee County 8
38 Lincoln County 6
39 Clark County 2