Ranking of Montana Counties By Percentage of Hispanic or Latino of All Races Population Aged 25 years and above with an Educational attainment of Less than High School Diploma in 2021 (ACS-5Yrs)

Updated on September 5, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the percentage of the Montana Hispanic or Latino of All Races population (aged 25 years and above) who had an educational attainment of Less than High School Diploma was 12.83%. Among all Montana counties, McCone County had the highest percentage of its Hispanic or Latino of All Races population (aged 25 years and above) with an educational attainment of Less than High School Diploma (79.31%), followed by Chouteau County (78.13%), and Treasure County (77.78%).

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

You can see similar information for other educational attainments, and for other races and ethnicities.

You can also see similar information for other states and for the United States.

Ranking of Montana Counties By Percentage of Hispanic or Latino of All Races Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
McCone County
Chouteau County
Treasure County
Pondera County
Fallon County
Powder River County
Wibaux County
Liberty County
Teton County
Judith Basin County
Ranking of Montana Counties By Percentage of Hispanic or Latino of All Races Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
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Rank County Percentage of Population (Aged 25yrs+) (%)
1 McCone County 79.31
2 Chouteau County 78.13
3 Treasure County 77.78
4 Pondera County 55.17
5 Fallon County 50.00
6 Powder River County 47.37
7 Wibaux County 47.22
8 Liberty County 43.75
9 Teton County 41.18
10 Judith Basin County 39.39
11 Jefferson County 31.76
12 Powell County 30.70
13 Wheatland County 28.00
14 Deer Lodge County 25.83
15 Beaverhead County 25.37
16 Lincoln County 24.24
17 Musselshell County 23.64
18 Richland County 22.36
19 Yellowstone County 18.27
20 Glacier County 16.67
21 Roosevelt County 14.73
22 Toole County 14.00
23 Lake County 12.90
24 Phillips County 12.77
25 Cascade County 12.39
26 Silver Bow County 11.74
27 Fergus County 11.46
28 Flathead County 10.46
29 Lewis and Clark County 10.43
30 Stillwater County 10.29
31 Gallatin County 9.86
32 Valley County 9.46
33 Custer County 9.21
34 Missoula County 8.48
35 Park County 7.63
36 Broadwater County 7.48
37 Sheridan County 6.25
38 Ravalli County 5.46
39 Madison County 4.65
40 Rosebud County 4.55
41 Dawson County 4.41
42 Carbon County 3.80
43 Sanders County 1.94
44 Hill County 0.86
45 Big Horn County 0.36
46 Blaine County 0.00
46 Carter County 0.00
46 Daniels County 0.00
46 Golden Valley County 0.00
46 Granite County 0.00
46 Meagher County 0.00
46 Mineral County 0.00
46 Prairie County 0.00
46 Sweet Grass County 0.00