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

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 27.92K people in Montana with European ancestry (2.59% of Montana population). Among all Montana counties, Chouteau County had the highest percentage of its population with European ancestry (7.11%), followed by Lincoln County (5.61%), and Daniels County (5.52%).

The chart and table below shows the top 10 counties with high percentage of its population having European 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 European Ancestry in 2021
Chouteau County
Lincoln County
Daniels County
Garfield County
Teton County
Cascade County
Richland County
Gallatin County
Carter County
Sanders County
Ranking of Montana Counties By Percentage of Population with European Ancestry in 2021
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Rank County Percentage of Pop. (%)
1 Chouteau County 7.11
2 Lincoln County 5.61
3 Daniels County 5.52
4 Garfield County 5.04
5 Teton County 4.54
6 Cascade County 3.94
7 Richland County 3.73
8 Gallatin County 3.51
9 Carter County 3.48
10 Sanders County 3.46
11 Missoula County 3.23
12 Hill County 3.15
13 Sheridan County 2.98
14 Jefferson County 2.97
15 Pondera County 2.93
16 Park County 2.88
17 Toole County 2.77
18 Flathead County 2.69
19 Powder River County 2.67
20 Lewis and Clark County 2.61
21 Deer Lodge County 2.57
22 McCone County 2.49
23 Roosevelt County 2.33
24 Ravalli County 2.11
25 Granite County 2.01
26 Carbon County 1.89
27 Yellowstone County 1.85
28 Silver Bow County 1.77
29 Custer County 1.72
30 Golden Valley County 1.71
31 Lake County 1.61
32 Sweet Grass County 1.60
33 Musselshell County 1.54
33 Powell County 1.54
34 Judith Basin County 1.45
35 Dawson County 1.42
36 Madison County 1.37
37 Valley County 1.35
38 Blaine County 1.15
39 Stillwater County 1.14
40 Beaverhead County 1.11
40 Fallon County 1.11
41 Mineral County 1.09
42 Broadwater County 1.02
43 Fergus County 0.87
44 Wheatland County 0.82
45 Rosebud County 0.74
46 Prairie County 0.65
47 Liberty County 0.64
48 Meagher County 0.47
49 Big Horn County 0.39
50 Phillips County 0.21
51 Glacier County 0.01