Counties in Montana by graduate or professional degree, population 25 and over

Gallatin County had the highest graduate or professional degree, population 25 and over of 56 counties in 2021, at 19.1%. Treasure County had the lowest, at 2.6%. The median was 6.5% and the figure for Montana was 11.3%. Source: the U.S. Census Bureau.

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Highest19.1Gallatin County
Median6.556 counties
Montana11.3History

Map of counties, 2021

Beaverhead County: 10.5 %Big Horn County: 7.4 %Blaine County: 6.7 %Broadwater County: 7.1 %Carbon County: 11.7 %Carter County: 4 %Cascade County: 9.8 %Chouteau County: 6.1 %Custer County: 9.5 %Daniels County: 6.3 %Dawson County: 8.2 %Deer Lodge County: 5.4 %Fallon County: 3.5 %Fergus County: 5.5 %Flathead County: 11.2 %Gallatin County: 19.1 %Garfield County: 4.9 %Glacier County: 7.6 %Golden Valley County: 5.1 %Granite County: 8.1 %Hill County: 6 %Jefferson County: 12.5 %Judith Basin County: 3.2 %Lake County: 10.3 %Lewis and Clark County: 15.8 %Liberty County: 6 %Lincoln County: 5.4 %McCone County: 4.2 %Madison County: 9.3 %Meagher County: 6.5 %Mineral County: 5.7 %Missoula County: 16.3 %Musselshell County: 6.4 %Park County: 9.8 %Petroleum County: 5.4 %Phillips County: 5.4 %Pondera County: 4.7 %Powder River County: 8.2 %Powell County: 6.4 %Prairie County: 8.9 %Ravalli County: 11 %Richland County: 3.9 %Roosevelt County: 5.9 %Rosebud County: 7.5 %Sanders County: 3.7 %Sheridan County: 7.7 %Silver Bow County: 9.4 %Stillwater County: 7.9 %Sweet Grass County: 5.2 %Teton County: 6.6 %Toole County: 9.9 %Treasure County: 2.6 %Valley County: 3.3 %Wheatland County: 4.1 %Wibaux County: 6 %Yellowstone County: 10.4 %
  • Under 4.7
  • 4.7 to 5.8
  • 5.8 to 6.5
  • 6.5 to 8.1
  • 8.1 to 10
  • 10 and over
%, 2021. Source: Invokely calculation with data from U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2021

Gallatin County: 19.1 %Gallatin County19.1Missoula County: 16.3 %Missoula County16.3Lewis and Clark County: 15.8 %Lewis and Clark County15.8Jefferson County: 12.5 %Jefferson County12.5Carbon County: 11.7 %Carbon County11.7Flathead County: 11.2 %Flathead County11.2Ravalli County: 11 %Ravalli County11Beaverhead County: 10.5 %Beaverhead County10.5Yellowstone County: 10.4 %Yellowstone County10.4Lake County: 10.3 %Lake County10.3Toole County: 9.9 %Toole County9.9Cascade County: 9.8 %Cascade County9.8Park County: 9.8 %Park County9.8Custer County: 9.5 %Custer County9.5Silver Bow County: 9.4 %Silver Bow County9.4Madison County: 9.3 %Madison County9.3Prairie County: 8.9 %Prairie County8.9Powder River County: 8.2 %Powder River County8.2Dawson County: 8.2 %Dawson County8.2Granite County: 8.1 %Granite County8.1Stillwater County: 7.9 %Stillwater County7.9Sheridan County: 7.7 %Sheridan County7.7Glacier County: 7.6 %Glacier County7.6Rosebud County: 7.5 %Rosebud County7.5Big Horn County: 7.4 %Big Horn County7.4Broadwater County: 7.1 %Broadwater County7.1Blaine County: 6.7 %Blaine County6.7Teton County: 6.6 %Teton County6.6Meagher County: 6.5 %Meagher County6.5Musselshell County: 6.4 %Musselshell County6.4Powell County: 6.4 %Powell County6.4Daniels County: 6.3 %Daniels County6.3Chouteau County: 6.1 %Chouteau County6.1Liberty County: 6 %Liberty County6Hill County: 6 %Hill County6Wibaux County: 6 %Wibaux County6Roosevelt County: 5.9 %Roosevelt County5.9Mineral County: 5.7 %Mineral County5.7Fergus County: 5.5 %Fergus County5.5Lincoln County: 5.4 %Lincoln County5.4Petroleum County: 5.4 %Petroleum County5.4Deer Lodge County: 5.4 %Deer Lodge County5.4Phillips County: 5.4 %Phillips County5.4Sweet Grass County: 5.2 %Sweet Grass County5.2Golden Valley County: 5.1 %Golden Valley County5.1Garfield County: 4.9 %Garfield County4.9Pondera County: 4.7 %Pondera County4.7McCone County: 4.2 %McCone County4.2Wheatland County: 4.1 %Wheatland County4.1Carter County: 4 %Carter County4Richland County: 3.9 %Richland County3.9Sanders County: 3.7 %Sanders County3.7Fallon County: 3.5 %Fallon County3.5Valley County: 3.3 %Valley County3.3Judith Basin County: 3.2 %Judith Basin County3.2Treasure County: 2.6 %Treasure County2.6Gallatin County: 19.1 %Gallatin County19.1Missoula County: 16.3 %Missoula County16.3Lewis and Clark County: 15.8 %Lewis and Clark County15.8Jefferson County: 12.5 %Jefferson County12.5Carbon County: 11.7 %Carbon County11.7Flathead County: 11.2 %Flathead County11.2Ravalli County: 11 %Ravalli County11Beaverhead County: 10.5 %Beaverhead County10.5Yellowstone County: 10.4 %Yellowstone County10.4Lake County: 10.3 %Lake County10.3Toole County: 9.9 %Toole County9.9Cascade County: 9.8 %Cascade County9.8Park County: 9.8 %Park County9.8Custer County: 9.5 %Custer County9.5Silver Bow County: 9.4 %Silver Bow County9.4Madison County: 9.3 %Madison County9.3Prairie County: 8.9 %Prairie County8.9Powder River County: 8.2 %Powder River County8.2Dawson County: 8.2 %Dawson County8.2Granite County: 8.1 %Granite County8.1Stillwater County: 7.9 %Stillwater County7.9Sheridan County: 7.7 %Sheridan County7.7Glacier County: 7.6 %Glacier County7.6Rosebud County: 7.5 %Rosebud County7.5Big Horn County: 7.4 %Big Horn County7.4Broadwater County: 7.1 %Broadwater County7.1Blaine County: 6.7 %Blaine County6.7Teton County: 6.6 %Teton County6.6Meagher County: 6.5 %Meagher County6.5Musselshell County: 6.4 %Musselshell County6.4Powell County: 6.4 %Powell County6.4Daniels County: 6.3 %Daniels County6.3Chouteau County: 6.1 %Chouteau County6.1Liberty County: 6 %Liberty County6Hill County: 6 %Hill County6Wibaux County: 6 %Wibaux County6Roosevelt County: 5.9 %Roosevelt County5.9Mineral County: 5.7 %Mineral County5.7Fergus County: 5.5 %Fergus County5.5Lincoln County: 5.4 %Lincoln County5.4Petroleum County: 5.4 %Petroleum County5.4Deer Lodge County: 5.4 %Deer Lodge County5.4Phillips County: 5.4 %Phillips County5.4Sweet Grass County: 5.2 %Sweet Grass County5.2Golden Valley County: 5.1 %Golden Valley County5.1Garfield County: 4.9 %Garfield County4.9Pondera County: 4.7 %Pondera County4.7McCone County: 4.2 %McCone County4.2Wheatland County: 4.1 %Wheatland County4.1Carter County: 4 %Carter County4Richland County: 3.9 %Richland County3.9Sanders County: 3.7 %Sanders County3.7Fallon County: 3.5 %Fallon County3.5Valley County: 3.3 %Valley County3.3Judith Basin County: 3.2 %Judith Basin County3.2Treasure County: 2.6 %Treasure County2.6
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12.

Full ranking

Other periods

About this ranking

People aged 25 and over whose highest degree is a master's, professional school or doctorate degree, as a percentage of all people aged 25 and over. United States: American Community Survey five-year estimate, where the period shown is the last year of the five-year span.

A subset of bachelors_degree_share, which also counts people whose highest degree is a bachelor's.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

U.S. Census Bureau. American Community Survey 5-year estimates, table B15003: population 25 years and over with a master's, professional school or doctorate degree as a percentage of the population 25 years and over, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b15003.dat. Retrieved 2026-10-12.

Citation styles

The publisher is the author. Invokely is named only as the place the figures were read, where a style asks for it.

APA 7

U.S. Census Bureau. (2026). American Community Survey 5-year estimates, table B15003: population 25 years and over with a master's, professional school or doctorate degree as a percentage of the population 25 years and over, calculated with stored inputs (Counties in Montana by graduate or professional degree, population 25 and over, 2021) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b15003.dat

MLA 9

American Community Survey 5-year estimates, table B15003: population 25 years and over with a master's, professional school or doctorate degree as a percentage of the population 25 years and over, calculated with stored inputs, Counties in Montana by graduate or professional degree, population 25 and over, 2021. U.S. Census Bureau, 29 Jan. 2026, https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b15003.dat. Invokely, https://invokely.ai/rankings/graduate-or-professional-degree/montana-counties?period=2021. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. American Community Survey 5-year estimates, table B15003: population 25 years and over with a master's, professional school or doctorate degree as a percentage of the population 25 years and over, calculated with stored inputs. Counties in Montana by graduate or professional degree, population 25 and over, 2021. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b15003.dat. Also distributed by Invokely, https://invokely.ai/rankings/graduate-or-professional-degree/montana-counties?period=2021.

Harvard

U.S. Census Bureau (2026) American Community Survey 5-year estimates, table B15003: population 25 years and over with a master's, professional school or doctorate degree as a percentage of the population 25 years and over, calculated with stored inputs, Counties in Montana by graduate or professional degree, population 25 and over, 2021 [Dataset]. Available at: https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b15003.dat, via Invokely: https://invokely.ai/rankings/graduate-or-professional-degree/montana-counties?period=2021 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_montana_by_2021,
  author = {{U.S. Census Bureau}},
  title = {{American Community Survey 5-year estimates, table B15003: population 25 years and over with a master's, professional school or doctorate degree as a percentage of the population 25 years and over, calculated with stored inputs: Counties in Montana by graduate or professional degree, population 25 and over, 2021}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b15003.dat},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/graduate-or-professional-degree/montana-counties?period=2021. Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B15003: population 25 years and over with a master's, professional school or doctorate degree as a percentage of the population 25 years and over, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary\_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b15003.dat. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - American Community Survey 5-year estimates, table B15003: population 25 years and over with a master's, professional school or doctorate degree as a percentage of the population 25 years and over, calculated with stored inputs: Counties in Montana by graduate or professional degree, population 25 and over, 2021
PY  - 2026
DA  - 2026/01/29
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b15003.dat
L2  - https://invokely.ai/rankings/graduate-or-professional-degree/montana-counties?period=2021
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/graduate-or-professional-degree/montana-counties?period=2021.
N1  - Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B15003: population 25 years and over with a master's, professional school or doctorate degree as a percentage of the population 25 years and over, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b15003.dat. Retrieved 2026-10-12.
ER  - 
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Rank Counties in Montana by graduate or professional degree, population 25 and over using official data, and cite the source.
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Questions

Which county has the highest graduate or professional degree, population 25 and over?

Gallatin County, with 19.1% in 2021, according to the U.S. Census Bureau.

Which county has the lowest graduate or professional degree, population 25 and over?

Treasure County, with 2.6% in 2021.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, American Community Survey 5-year estimates, table B15003: population 25 years and over with a master's, professional school or doctorate degree as a percentage of the population 25 years and over, calculated with stored inputs. Retrieved 2026-10-12.

Graduate or professional degree, population 25 and over: other rankings

Counties in Montana: more rankings