Ranking of Montana Counties By Percentage of Population that are Non-Hispanic White in 2012

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2012, among all Montana counties, Petroleum County had the highest percentage of its population who identified their ethnicity as Non-Hispanic White (97.82%), followed by Carter County (97.67%), and Liberty County (97.37%).

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 2012
Petroleum
Carter
Liberty
Garfield
Judith Basin
McCone
Fallon
Meagher
Wibaux
Carbon
Ranking of Montana Counties By Percentage of Pop. that are Non-Hispanic White in 2012
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Rank County % of County Population
1 Petroleum County 97.82
2 Carter County 97.67
3 Liberty County 97.37
4 Garfield County 97.35
5 Judith Basin County 96.71
6 McCone County 96.53
7 Fallon County 96
8 Meagher County 95.97
9 Wibaux County 95.84
10 Carbon County 95.24
11 Granite County 95.16
12 Fergus County 95.05
13 Teton County 95
14 Sweet Grass County 94.86
15 Powder River County 94.7
16 Park County 94.61
17 Madison County 94.47
18 Stillwater County 94.36
19 Wheatland County 94.35
20 Sheridan County 94.25
21 Broadwater County 94.15
22 Musselshell County 93.99
23 Prairie County 93.95
24 Dawson County 93.85
25 Flathead County 93.7
26 Lincoln County 93.67
27 Jefferson County 93.62
28 Daniels County 93.52
29 Ravalli County 93.47
30 Custer County 93.24
31 Gallatin County 92.94
32 Golden Valley County 92.87
33 Lewis and Clark County 92.14
34 Richland County 92.12
35 Treasure County 92.05
36 Mineral County 92.03
37 Beaverhead County 91.63
38 Silver Bow County 91.58
39 Deer Lodge County 91.06
40 Powell County 90.65
41 Missoula County 90.55
42 Sanders County 90.29
43 Toole County 88.85
44 Yellowstone County 87.83
45 Cascade County 86.72
46 Phillips County 86.25
47 Valley County 86.08
48 Pondera County 81.62
49 Chouteau County 76.35
50 Hill County 71.54
51 Lake County 66.94
52 Rosebud County 58.74
53 Blaine County 46.82
54 Roosevelt County 35.61
55 Glacier County 31.11
56 Big Horn County 29.19