Ranking of Montana Counties By Percentage of Population that are Non-Hispanic White in 2015

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2015, among all Montana counties, Carter County had the highest percentage of its population who identified their ethnicity as Non-Hispanic White (97.21%), followed by Garfield County (97.12%), and Petroleum County (96.84%).

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 2015
Carter
Garfield
Petroleum
Liberty
Judith Basin
Meagher
McCone
Fallon
Carbon
Fergus
Ranking of Montana Counties By Percentage of Pop. that are Non-Hispanic White in 2015
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Rank County % of County Population
1 Carter County 97.21
2 Garfield County 97.12
3 Petroleum County 96.84
4 Liberty County 96.79
5 Judith Basin County 96.22
6 Meagher County 95.34
7 McCone County 95.29
8 Fallon County 94.92
9 Carbon County 94.55
10 Fergus County 94.47
11 Sweet Grass County 94.36
12 Wibaux County 94.3
13 Granite County 94.27
14 Teton County 94.08
15 Broadwater County 94.04
16 Park County 93.81
17 Powder River County 93.72
18 Ravalli County 93.34
19 Daniels County 93.32
20 Stillwater County 93.29
21 Lincoln County 93.18
22 Flathead County 93.16
23 Jefferson County 93.12
24 Madison County 92.72
25 Custer County 92.38
26 Dawson County 92.27
26 Sheridan County 92.27
27 Gallatin County 92.15
28 Wheatland County 92.04
29 Musselshell County 91.97
30 Lewis and Clark County 91.76
31 Prairie County 91.58
32 Treasure County 91.47
33 Mineral County 91.46
34 Beaverhead County 91.35
35 Golden Valley County 91.08
36 Silver Bow County 90.83
37 Deer Lodge County 90.58
38 Powell County 90.37
39 Sanders County 90.35
40 Missoula County 89.71
41 Richland County 89.3
42 Toole County 88.18
43 Yellowstone County 87.06
44 Cascade County 86.05
45 Valley County 84.8
46 Phillips County 84.65
47 Pondera County 81.66
48 Chouteau County 76.93
49 Hill County 70.84
50 Lake County 65.58
51 Rosebud County 56.49
52 Blaine County 45.64
53 Roosevelt County 36.75
54 Glacier County 31.22
55 Big Horn County 27.31