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.
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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 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 |