Ranking of Idaho 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 Idaho (aged 25 years and above) who had an educational attainment of Some College or Associates Degree was 420,711. Among all Idaho counties, Ada County had the highest population (aged 25 years and above) with an educational attainment of Some College or Associates Degree (110,566), followed by Canyon County (50,762), and Kootenai County (47,011).
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 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 | Ada County | 110566 |
| 2 | Canyon County | 50762 |
| 3 | Kootenai County | 47011 |
| 4 | Bonneville County | 26567 |
| 5 | Bannock County | 21286 |
| 6 | Twin Falls County | 20560 |
| 7 | Bonner County | 12129 |
| 8 | Nez Perce County | 10960 |
| 9 | Bingham County | 10400 |
| 10 | Madison County | 9149 |
| 11 | Latah County | 7387 |
| 12 | Jefferson County | 7384 |
| 13 | Elmore County | 7128 |
| 14 | Cassia County | 5272 |
| 15 | Payette County | 5243 |
| 16 | Jerome County | 4861 |
| 17 | Idaho County | 4535 |
| 18 | Gem County | 4224 |
| 19 | Minidoka County | 4215 |
| 20 | Blaine County | 3980 |
| 21 | Shoshone County | 3833 |
| 22 | Fremont County | 3418 |
| 23 | Valley County | 3245 |
| 24 | Washington County | 2982 |
| 25 | Boundary County | 2809 |
| 26 | Gooding County | 2714 |
| 27 | Clearwater County | 2698 |
| 28 | Franklin County | 2556 |
| 29 | Owyhee County | 2389 |
| 30 | Lemhi County | 2314 |
| 31 | Teton County | 2220 |
| 32 | Boise County | 2167 |
| 33 | Benewah County | 2111 |
| 34 | Caribou County | 1873 |
| 35 | Power County | 1633 |
| 36 | Bear Lake County | 1499 |
| 37 | Adams County | 1256 |
| 38 | Lincoln County | 1187 |
| 39 | Lewis County | 1132 |
| 40 | Custer County | 1004 |
| 41 | Oneida County | 934 |
| 42 | Butte County | 806 |
| 43 | Camas County | 213 |
| 44 | Clark County | 99 |