Data / Rankings / Graduate or professional degree, population 25 and over / Counties in Idaho

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

Latah County had the highest graduate or professional degree, population 25 and over of 44 counties in 2022, at 17.2%. Owyhee County had the lowest, at 3.3%. The median was 5.9% and the figure for Idaho was 10.1%. Source: the U.S. Census Bureau.

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Highest17.2Latah County
Lowest3.3Owyhee County
Median5.944 counties
Idaho10.1History

Map of counties, 2022

Ada County: 14.9 %Adams County: 8.8 %Bannock County: 9.9 %Bear Lake County: 6.6 %Benewah County: 5.8 %Bingham County: 5.6 %Blaine County: 13.4 %Boise County: 9.5 %Bonner County: 9.1 %Bonneville County: 10.3 %Boundary County: 7 %Butte County: 3.8 %Camas County: 8.5 %Canyon County: 6.4 %Caribou County: 5.6 %Cassia County: 5.9 %Clark County: 4.4 %Clearwater County: 5.8 %Custer County: 5.2 %Elmore County: 5.4 %Franklin County: 5.4 %Fremont County: 4.5 %Gem County: 4.2 %Gooding County: 4.6 %Idaho County: 5 %Jefferson County: 8.7 %Jerome County: 4.4 %Kootenai County: 8.9 %Latah County: 17.2 %Lemhi County: 8.7 %Lewis County: 6 %Lincoln County: 4.8 %Madison County: 11.4 %Minidoka County: 6.9 %Nez Perce County: 8.2 %Oneida County: 5.8 %Owyhee County: 3.3 %Payette County: 5.6 %Power County: 4.9 %Shoshone County: 4.7 %Teton County: 13.3 %Twin Falls County: 9.5 %Valley County: 12.9 %Washington County: 5.9 %
  • Under 4.7
  • 4.7 to 5.6
  • 5.6 to 5.9
  • 5.9 to 8.6
  • 8.6 to 9.9
  • 9.9 and over
%, 2022. Source: Invokely calculation with data from U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2022

Latah County: 17.2 %Latah County17.2Ada County: 14.9 %Ada County14.9Blaine County: 13.4 %Blaine County13.4Teton County: 13.3 %Teton County13.3Valley County: 12.9 %Valley County12.9Madison County: 11.4 %Madison County11.4Bonneville County: 10.3 %Bonneville County10.3Bannock County: 9.9 %Bannock County9.9Twin Falls County: 9.5 %Twin Falls County9.5Boise County: 9.5 %Boise County9.5Bonner County: 9.1 %Bonner County9.1Kootenai County: 8.9 %Kootenai County8.9Adams County: 8.8 %Adams County8.8Jefferson County: 8.7 %Jefferson County8.7Lemhi County: 8.7 %Lemhi County8.7Camas County: 8.5 %Camas County8.5Nez Perce County: 8.2 %Nez Perce County8.2Boundary County: 7 %Boundary County7Minidoka County: 6.9 %Minidoka County6.9Bear Lake County: 6.6 %Bear Lake County6.6Canyon County: 6.4 %Canyon County6.4Lewis County: 6 %Lewis County6Cassia County: 5.9 %Cassia County5.9Washington County: 5.9 %Washington County5.9Oneida County: 5.8 %Oneida County5.8Benewah County: 5.8 %Benewah County5.8Clearwater County: 5.8 %Clearwater County5.8Bingham County: 5.6 %Bingham County5.6Payette County: 5.6 %Payette County5.6Caribou County: 5.6 %Caribou County5.6Elmore County: 5.4 %Elmore County5.4Franklin County: 5.4 %Franklin County5.4Custer County: 5.2 %Custer County5.2Idaho County: 5 %Idaho County5Power County: 4.9 %Power County4.9Lincoln County: 4.8 %Lincoln County4.8Shoshone County: 4.7 %Shoshone County4.7Gooding County: 4.6 %Gooding County4.6Fremont County: 4.5 %Fremont County4.5Clark County: 4.4 %Clark County4.4Jerome County: 4.4 %Jerome County4.4Gem County: 4.2 %Gem County4.2Butte County: 3.8 %Butte County3.8Owyhee County: 3.3 %Owyhee County3.3Latah County: 17.2 %Latah County17.2Ada County: 14.9 %Ada County14.9Blaine County: 13.4 %Blaine County13.4Teton County: 13.3 %Teton County13.3Valley County: 12.9 %Valley County12.9Madison County: 11.4 %Madison County11.4Bonneville County: 10.3 %Bonneville County10.3Bannock County: 9.9 %Bannock County9.9Twin Falls County: 9.5 %Twin Falls County9.5Boise County: 9.5 %Boise County9.5Bonner County: 9.1 %Bonner County9.1Kootenai County: 8.9 %Kootenai County8.9Adams County: 8.8 %Adams County8.8Jefferson County: 8.7 %Jefferson County8.7Lemhi County: 8.7 %Lemhi County8.7Camas County: 8.5 %Camas County8.5Nez Perce County: 8.2 %Nez Perce County8.2Boundary County: 7 %Boundary County7Minidoka County: 6.9 %Minidoka County6.9Bear Lake County: 6.6 %Bear Lake County6.6Canyon County: 6.4 %Canyon County6.4Lewis County: 6 %Lewis County6Cassia County: 5.9 %Cassia County5.9Washington County: 5.9 %Washington County5.9Oneida County: 5.8 %Oneida County5.8Benewah County: 5.8 %Benewah County5.8Clearwater County: 5.8 %Clearwater County5.8Bingham County: 5.6 %Bingham County5.6Payette County: 5.6 %Payette County5.6Caribou County: 5.6 %Caribou County5.6Elmore County: 5.4 %Elmore County5.4Franklin County: 5.4 %Franklin County5.4Custer County: 5.2 %Custer County5.2Idaho County: 5 %Idaho County5Power County: 4.9 %Power County4.9Lincoln County: 4.8 %Lincoln County4.8Shoshone County: 4.7 %Shoshone County4.7Gooding County: 4.6 %Gooding County4.6Fremont County: 4.5 %Fremont County4.5Clark County: 4.4 %Clark County4.4Jerome County: 4.4 %Jerome County4.4Gem County: 4.2 %Gem County4.2Butte County: 3.8 %Butte County3.8Owyhee County: 3.3 %Owyhee County3.3
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12.

Full ranking

RankCounties2022 (%)Change on 2021
1Latah County17.2-1 pts
2Ada County14.9+0.8 pts
3Blaine County13.4+0.8 pts
4Teton County13.3+0.3 pts
5Valley County12.9+1.9 pts
6Madison County11.4+1.6 pts
7Bonneville County10.3+0.3 pts
8Bannock County9.9+0.6 pts
9Twin Falls County9.5+0.4 pts
10Boise County9.5-0.9 pts
11Bonner County9.1+0.4 pts
12Kootenai County8.9+0.1 pts
13Adams County8.8+1.9 pts
14Jefferson County8.7-0.2 pts
15Lemhi County8.7+1.3 pts
16Camas County8.5+1.5 pts
17Nez Perce County8.2+0.7 pts
18Boundary County7+2.7 pts
19Minidoka County6.9+1.5 pts
20Bear Lake County6.6+0.7 pts
21Canyon County6.4+0.3 pts
22Lewis County6-0 pts
23Cassia County5.9+0.8 pts
24Washington County5.9-0.6 pts
25Oneida County5.8+0.4 pts
26Benewah County5.8+1 pts
26Clearwater County5.8+0.2 pts
28Bingham County5.6-0.5 pts
29Payette County5.6+0.5 pts
30Caribou County5.6-0.3 pts
31Elmore County5.4-0 pts
32Franklin County5.4+0.3 pts
33Custer County5.2+1.4 pts
34Idaho County5-0.5 pts
35Power County4.9+0.4 pts
36Lincoln County4.8+0.4 pts
37Shoshone County4.7+0.3 pts
38Gooding County4.6-0.5 pts
39Fremont County4.5-0.4 pts
40Clark County4.4-2.1 pts
41Jerome County4.4-0.3 pts
42Gem County4.2-0.8 pts
43Butte County3.8+1.4 pts
44Owyhee County3.3+0.3 pts

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/2022/table-based-SF/data/5YRData/acsdt5y2022-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 Idaho by graduate or professional degree, population 25 and over, 2022) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/acs/summary_file/2022/table-based-SF/data/5YRData/acsdt5y2022-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 Idaho by graduate or professional degree, population 25 and over, 2022. U.S. Census Bureau, 29 Jan. 2026, https://www2.census.gov/programs-surveys/acs/summary_file/2022/table-based-SF/data/5YRData/acsdt5y2022-b15003.dat. Invokely, https://invokely.ai/rankings/graduate-or-professional-degree/idaho-counties?period=2022. 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 Idaho by graduate or professional degree, population 25 and over, 2022. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/acs/summary_file/2022/table-based-SF/data/5YRData/acsdt5y2022-b15003.dat. Also distributed by Invokely, https://invokely.ai/rankings/graduate-or-professional-degree/idaho-counties?period=2022.

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 Idaho by graduate or professional degree, population 25 and over, 2022 [Dataset]. Available at: https://www2.census.gov/programs-surveys/acs/summary_file/2022/table-based-SF/data/5YRData/acsdt5y2022-b15003.dat, via Invokely: https://invokely.ai/rankings/graduate-or-professional-degree/idaho-counties?period=2022 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_idaho_by_2022,
  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 Idaho by graduate or professional degree, population 25 and over, 2022}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/acs/summary_file/2022/table-based-SF/data/5YRData/acsdt5y2022-b15003.dat},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/graduate-or-professional-degree/idaho-counties?period=2022. 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/2022/table-based-SF/data/5YRData/acsdt5y2022-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 Idaho by graduate or professional degree, population 25 and over, 2022
PY  - 2026
DA  - 2026/01/29
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/acs/summary_file/2022/table-based-SF/data/5YRData/acsdt5y2022-b15003.dat
L2  - https://invokely.ai/rankings/graduate-or-professional-degree/idaho-counties?period=2022
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/graduate-or-professional-degree/idaho-counties?period=2022.
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/2022/table-based-SF/data/5YRData/acsdt5y2022-b15003.dat. Retrieved 2026-10-12.
ER  -
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Rank Counties in Idaho 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?

Latah County, with 17.2% in 2022, according to the U.S. Census Bureau.

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

Owyhee County, with 3.3% in 2022.

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 Idaho: more rankings