Ranking of Montana Counties By Percentage of Population that are Non-Hispanic White in 2011

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2011, among all Montana counties, Petroleum County had the highest percentage of its population who identified their ethnicity as Non-Hispanic White (97.96%), followed by Liberty County (97.86%), and Carter County (97.62%).

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 2011
Petroleum
Liberty
Carter
Garfield
McCone
Judith Basin
Wibaux
Meagher
Fallon
Granite
Ranking of Montana Counties By Percentage of Pop. that are Non-Hispanic White in 2011
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Rank County % of County Population
1 Petroleum County 97.96
2 Liberty County 97.86
3 Carter County 97.62
4 Garfield County 97.61
5 McCone County 97.07
6 Judith Basin County 96.97
7 Wibaux County 96.74
8 Meagher County 96.49
9 Fallon County 96.18
10 Granite County 95.65
11 Sweet Grass County 95.48
12 Stillwater County 95.38
13 Carbon County 95.36
14 Powder River County 95.11
15 Fergus County 95.04
16 Teton County 95.03
17 Park County 94.93
18 Madison County 94.9
19 Prairie County 94.83
20 Wheatland County 94.7
21 Broadwater County 94.53
22 Sheridan County 94.44
23 Dawson County 94.23
24 Musselshell County 94.1
25 Daniels County 94.09
26 Flathead County 93.92
26 Lincoln County 93.92
27 Jefferson County 93.83
28 Ravalli County 93.67
29 Golden Valley County 93.61
30 Custer County 93.56
31 Gallatin County 93.17
32 Mineral County 93.11
33 Treasure County 92.81
34 Richland County 92.8
35 Lewis and Clark County 92.33
36 Beaverhead County 92.29
37 Silver Bow County 91.79
38 Deer Lodge County 91.37
39 Powell County 90.8
40 Missoula County 90.72
41 Sanders County 90.35
42 Toole County 89.01
43 Yellowstone County 88.04
44 Cascade County 87.24
45 Valley County 86.05
46 Phillips County 85.98
47 Pondera County 81.97
48 Chouteau County 75.33
49 Hill County 72.2
50 Lake County 67.38
51 Rosebud County 59.75
52 Blaine County 47.31
53 Roosevelt County 35.68
54 Glacier County 31.15
55 Big Horn County 29.48