Ranking of Montana Counties By Percentage of Population Aged 25 years and above with an Educational attainment of Bachelors or Higher in 2021 (ACS-5Yrs)
Updated on September 3, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, the percentage of the population of Montana (aged 25 years and above) who had an educational attainment of Bachelors or Higher was 33.66%. Among all Montana counties, Gallatin County had the highest percentage of its population (aged 25 years and above) with an educational attainment of Bachelors or Higher (52.21%), followed by Missoula County (44.22%), and Lewis and Clark County (42.27%).
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.
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Related Topics: Montana ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census - ACS 5-Year Estimates.
Ranking of Montana Counties By Percentage of Population (Aged 25yrs+) with an Educational Attainment of Bachelors or Higher in 2021
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| Rank | County | Percentage of Population (Aged 25yrs+) (%) |
|---|---|---|
| 1 | Gallatin County | 52.21 |
| 2 | Missoula County | 44.22 |
| 3 | Lewis and Clark County | 42.27 |
| 4 | Jefferson County | 35.78 |
| 5 | Yellowstone County | 33.67 |
| 6 | Flathead County | 33.65 |
| 7 | Park County | 33.29 |
| 8 | Beaverhead County | 33.13 |
| 9 | Granite County | 32.77 |
| 10 | Lake County | 32.55 |
| 11 | Madison County | 31.92 |
| 12 | Carbon County | 31.54 |
| 13 | Meagher County | 29.57 |
| 14 | Treasure County | 29.33 |
| 15 | Ravalli County | 28.38 |
| 16 | Petroleum County | 28.31 |
| 17 | Custer County | 27.97 |
| 17 | Silver Bow County | 27.97 |
| 18 | Stillwater County | 27.95 |
| 19 | Cascade County | 27.72 |
| 20 | Chouteau County | 27.30 |
| 21 | Fergus County | 26.39 |
| 22 | Toole County | 26.15 |
| 23 | Hill County | 26.08 |
| 24 | Sheridan County | 25.70 |
| 25 | Prairie County | 25.66 |
| 26 | Teton County | 25.18 |
| 27 | Mineral County | 25.05 |
| 28 | Powder River County | 25.04 |
| 29 | Blaine County | 24.69 |
| 30 | Wibaux County | 24.17 |
| 31 | Broadwater County | 23.53 |
| 32 | Judith Basin County | 23.21 |
| 33 | Dawson County | 23.18 |
| 34 | Liberty County | 22.70 |
| 35 | Pondera County | 22.69 |
| 36 | Deer Lodge County | 22.51 |
| 37 | Daniels County | 22.29 |
| 38 | Sweet Grass County | 22.11 |
| 39 | Glacier County | 21.71 |
| 40 | Garfield County | 21.49 |
| 41 | Musselshell County | 20.85 |
| 42 | Carter County | 20.84 |
| 43 | Big Horn County | 19.45 |
| 44 | Roosevelt County | 19.42 |
| 45 | Rosebud County | 19.31 |
| 46 | Golden Valley County | 19.27 |
| 47 | Fallon County | 19.21 |
| 48 | Lincoln County | 19.11 |
| 49 | Valley County | 19.07 |
| 50 | Phillips County | 19.04 |
| 51 | Sanders County | 18.98 |
| 52 | Powell County | 18.79 |
| 53 | McCone County | 18.19 |
| 54 | Wheatland County | 17.81 |
| 55 | Richland County | 16.24 |