Ranking of Montana Counties By Population with Swiss Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 5.40K people in Montana with Swiss ancestry. Among all Montana counties, Gallatin County had the highest population with Swiss ancestry (846), followed by Missoula County (662), and Yellowstone County (590).

The chart and table below shows the top 10 counties with high number of people with Swiss 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 Population with Swiss Ancestry in 2021
Gallatin County
Missoula County
Yellowstone County
Flathead County
Ravalli County
Cascade County
Lewis and Clark County
Lake County
Broadwater County
Park County
Ranking of Montana Counties By Population with Swiss Ancestry in 2021
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Rank County Population
1 Gallatin County 846
2 Missoula County 662
3 Yellowstone County 590
4 Flathead County 535
5 Ravalli County 386
6 Cascade County 349
7 Lewis and Clark County 334
8 Lake County 147
9 Broadwater County 129
10 Park County 114
11 Sanders County 104
12 Silver Bow County 97
13 Lincoln County 96
14 Rosebud County 82
15 Dawson County 77
16 Jefferson County 74
17 Fergus County 69
18 Meagher County 65
19 Stillwater County 52
19 Treasure County 52
20 Pondera County 48
20 Sheridan County 48
21 Hill County 47
22 Custer County 39
23 Sweet Grass County 36
24 Beaverhead County 35
25 Carbon County 30
26 Madison County 25
27 Deer Lodge County 21
28 Chouteau County 20
29 Powell County 19
30 Phillips County 18
31 Granite County 17
31 Musselshell County 17
32 Roosevelt County 16
32 Toole County 16
33 McCone County 12
34 Glacier County 11
35 Daniels County 9
35 Garfield County 9
35 Valley County 9
36 Teton County 8
37 Mineral County 6
38 Big Horn County 4
38 Blaine County 4
38 Powder River County 4
39 Richland County 3
40 Carter County 2
40 Judith Basin County 2