Ranking of Montana Counties By Percentage of Population with Scandinavian Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 13.01K people in Montana with Scandinavian ancestry (1.21% of Montana population). Among all Montana counties, Sheridan County had the highest percentage of its population with Scandinavian ancestry (5.11%), followed by Phillips County (3.07%), and Chouteau County (2.90%).

The chart and table below shows the top 10 counties with high percentage of its population having Scandinavian ancestry.

You can see similar information for other states and for other ancestry groups in Montana.

Data Source: US Census Bureau.
Ranking of Montana Counties By Percentage of Population with Scandinavian Ancestry in 2021
Sheridan County
Phillips County
Chouteau County
Daniels County
Richland County
Meagher County
Teton County
Powell County
Carter County
Hill County
Ranking of Montana Counties By Percentage of Population with Scandinavian Ancestry in 2021
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Rank County Percentage of Pop. (%)
1 Sheridan County 5.11
2 Phillips County 3.07
3 Chouteau County 2.90
4 Daniels County 2.24
5 Richland County 2.22
6 Meagher County 2.17
7 Teton County 1.96
8 Powell County 1.94
9 Carter County 1.93
10 Hill County 1.88
11 Mineral County 1.78
12 Jefferson County 1.73
13 McCone County 1.66
14 Dawson County 1.62
15 Cascade County 1.57
16 Wheatland County 1.54
17 Carbon County 1.53
17 Flathead County 1.53
18 Lewis and Clark County 1.47
19 Powder River County 1.36
19 Stillwater County 1.36
20 Ravalli County 1.31
20 Sanders County 1.31
21 Yellowstone County 1.29
22 Musselshell County 1.27
23 Garfield County 1.13
24 Fergus County 1.06
25 Deer Lodge County 1.02
25 Missoula County 1.02
26 Valley County 0.97
27 Gallatin County 0.96
28 Roosevelt County 0.95
29 Lake County 0.88
29 Lincoln County 0.88
30 Toole County 0.74
31 Golden Valley County 0.73
31 Park County 0.73
32 Silver Bow County 0.67
33 Broadwater County 0.65
34 Fallon County 0.59
35 Madison County 0.55
36 Beaverhead County 0.51
37 Pondera County 0.50
38 Blaine County 0.47
39 Petroleum County 0.46
40 Glacier County 0.45
41 Custer County 0.40
42 Granite County 0.39
43 Liberty County 0.30
44 Rosebud County 0.24
45 Big Horn County 0.18
46 Judith Basin County 0.15
47 Sweet Grass County 0.11