Ranking of Montana Counties By Population Aged 25 years and above with an Educational attainment of Some College or Associates Degree in 2021 (ACS-5Yrs)

Updated on September 3, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the population of Montana (aged 25 years and above) who had an educational attainment of Some College or Associates Degree was 245,580. Among all Montana counties, Yellowstone County had the highest population (aged 25 years and above) with an educational attainment of Some College or Associates Degree (37,347), followed by Missoula County (25,009), and Flathead County (24,647).

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.

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

Ranking of Montana Counties By Population (Aged 25yrs+) with an Educational Attainment of Some College or Associates Degree in 2021
Yellowstone County
Missoula County
Flathead County
Gallatin County
Cascade County
Lewis and Clark County
Ravalli County
Silver Bow County
Lake County
Lincoln County
Ranking of Montana Counties By Population (Aged 25yrs+) with an Educational Attainment of Some College or Associates Degree in 2021
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Rank County Number of People
1 Yellowstone County 37347
2 Missoula County 25009
3 Flathead County 24647
4 Gallatin County 20226
5 Cascade County 19560
6 Lewis and Clark County 14920
7 Ravalli County 11291
8 Silver Bow County 7536
9 Lake County 7400
10 Lincoln County 5213
11 Park County 4787
12 Hill County 3534
13 Fergus County 3138
14 Sanders County 3117
15 Custer County 3113
16 Richland County 3041
17 Jefferson County 2820
18 Dawson County 2719
19 Carbon County 2709
20 Big Horn County 2683
21 Glacier County 2504
22 Madison County 2457
23 Roosevelt County 2401
24 Deer Lodge County 2264
25 Valley County 2160
26 Beaverhead County 2123
27 Stillwater County 2106
28 Broadwater County 2030
29 Rosebud County 1966
30 Blaine County 1664
31 Pondera County 1617
32 Powell County 1576
33 Teton County 1372
34 Musselshell County 1289
35 Chouteau County 1230
36 Phillips County 1158
37 Mineral County 1151
38 Sweet Grass County 1071
39 Toole County 1000
40 Fallon County 875
41 Sheridan County 810
42 Granite County 745
43 McCone County 623
44 Judith Basin County 597
45 Wheatland County 520
46 Meagher County 476
47 Powder River County 475
48 Daniels County 459
49 Liberty County 423
50 Carter County 414
51 Prairie County 296
52 Garfield County 231
53 Golden Valley County 220
54 Wibaux County 213
55 Treasure County 155
56 Petroleum County 99