Ranking of Montana Counties By Percentage of Population that are Non-Hispanic White in 2010

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2010, among all Montana counties, Garfield County had the highest percentage of its population who identified their ethnicity as Non-Hispanic White (98.49%), followed by Petroleum County (98.16%), and Liberty County (97.96%).

The chart below shows the top 10 counties, and the table below shows the ranking of all Montana counties.

You can see similar ranking information for other racial and ethnicity groups in the United States.

You can also see similar information for other states, and also the ranking of all counties in the United States.

See this for other years:
Ranking of Montana Counties By Percentage of Pop. that are Non-Hispanic White in 2010
Garfield
Petroleum
Liberty
Carter
McCone
Wibaux
Judith Basin
Fallon
Meagher
Granite
Ranking of Montana Counties By Percentage of Pop. that are Non-Hispanic White in 2010
0 of 0
Rank County % of County Population
1 Garfield County 98.49
2 Petroleum County 98.16
3 Liberty County 97.96
4 Carter County 97.67
5 McCone County 97.48
6 Wibaux County 97.12
7 Judith Basin County 97.11
8 Fallon County 96.61
9 Meagher County 96.54
10 Granite County 96.42
11 Carbon County 95.93
12 Sweet Grass County 95.74
13 Fergus County 95.56
14 Prairie County 95.44
15 Stillwater County 95.39
16 Park County 95.38
17 Madison County 95.34
18 Teton County 95.26
19 Wheatland County 95.22
20 Powder River County 94.94
21 Dawson County 94.61
22 Broadwater County 94.6
23 Sheridan County 94.51
24 Musselshell County 94.45
25 Daniels County 94.34
26 Lincoln County 94.31
27 Flathead County 94.05
28 Custer County 94
29 Jefferson County 93.98
30 Ravalli County 93.89
31 Golden Valley County 93.86
32 Mineral County 93.57
33 Richland County 93.35
34 Gallatin County 93.31
35 Treasure County 93.14
36 Lewis and Clark County 92.53
37 Beaverhead County 92.46
38 Silver Bow County 92.09
39 Deer Lodge County 91.53
40 Powell County 91.48
41 Missoula County 91.04
42 Sanders County 90.61
43 Toole County 90.47
44 Yellowstone County 88.27
45 Cascade County 87.52
46 Valley County 86.45
47 Phillips County 86.41
48 Pondera County 82.34
49 Chouteau County 75.37
50 Hill County 72.8
51 Lake County 67.97
52 Rosebud County 60
53 Blaine County 47.66
54 Roosevelt County 35.48
55 Glacier County 30.74
56 Big Horn County 30.19