Ranking of Idaho 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 Idaho (aged 25 years and above) who had an educational attainment of Bachelors or Higher was 29.13%. Among all Idaho counties, Teton County had the highest percentage of its population (aged 25 years and above) with an educational attainment of Bachelors or Higher (46.64%), followed by Latah County (43.92%), and Blaine County (42.45%).
The chart below shows the top 10 Idaho counties, and the table below shows the ranking of all Idaho 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: Idaho ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census - ACS 5-Year Estimates.
Ranking of Idaho 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 | Teton County | 46.64 |
| 2 | Latah County | 43.92 |
| 3 | Blaine County | 42.45 |
| 4 | Ada County | 40.74 |
| 5 | Madison County | 36.34 |
| 6 | Bonneville County | 31.29 |
| 7 | Valley County | 29.50 |
| 8 | Bannock County | 28.95 |
| 9 | Boise County | 27.78 |
| 10 | Custer County | 27.49 |
| 11 | Bonner County | 26.59 |
| 12 | Kootenai County | 26.47 |
| 13 | Nez Perce County | 25.42 |
| 14 | Jefferson County | 25.20 |
| 15 | Twin Falls County | 23.48 |
| 16 | Camas County | 23.40 |
| 17 | Oneida County | 22.48 |
| 18 | Idaho County | 21.97 |
| 19 | Lemhi County | 21.91 |
| 20 | Gem County | 21.29 |
| 21 | Fremont County | 21.27 |
| 22 | Canyon County | 20.71 |
| 23 | Bingham County | 19.57 |
| 24 | Elmore County | 19.54 |
| 25 | Clark County | 19.23 |
| 26 | Bear Lake County | 19.09 |
| 27 | Lewis County | 18.94 |
| 28 | Caribou County | 18.89 |
| 29 | Cassia County | 18.72 |
| 30 | Adams County | 18.50 |
| 30 | Payette County | 18.50 |
| 31 | Benewah County | 18.21 |
| 32 | Clearwater County | 18.08 |
| 33 | Washington County | 17.48 |
| 34 | Boundary County | 16.34 |
| 35 | Franklin County | 15.52 |
| 36 | Gooding County | 15.46 |
| 37 | Butte County | 14.68 |
| 38 | Power County | 13.81 |
| 39 | Jerome County | 13.60 |
| 40 | Owyhee County | 13.29 |
| 41 | Minidoka County | 12.94 |
| 42 | Lincoln County | 11.77 |
| 43 | Shoshone County | 11.27 |