Ranking of Idaho Counties By Percentage of Two Or More Races Population Aged 25 years and above with an Educational attainment of High School Graduate or Equivalent in 2021 (ACS-5Yrs)

Updated on September 5, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the percentage of the Idaho Two Or More Races population (aged 25 years and above) who had an educational attainment of High School Graduate or Equivalent was 25.98%. Among all Idaho counties, Adams County had the highest percentage of its Two Or More Races population (aged 25 years and above) with an educational attainment of High School Graduate or Equivalent (80.80%), followed by Franklin County (65.00%), and Camas County (56.10%).

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, and for other races and ethnicities.

You can also see similar information for other states and for the United States.

Ranking of Idaho Counties By Percentage of Two Or More Races Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
Adams County
Franklin County
Camas County
Power County
Bonner County
Minidoka County
Boise County
Teton County
Boundary County
Benewah County
Ranking of Idaho Counties By Percentage of Two Or More Races Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
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Rank County Percentage of Population (Aged 25yrs+) (%)
1 Adams County 80.80
2 Franklin County 65.00
3 Camas County 56.10
4 Power County 50.34
5 Bonner County 50.18
6 Minidoka County 48.42
7 Boise County 47.56
8 Teton County 45.11
9 Boundary County 41.32
10 Benewah County 41.31
11 Gooding County 37.61
12 Twin Falls County 36.61
13 Payette County 35.21
14 Shoshone County 32.96
15 Canyon County 32.81
16 Madison County 32.60
17 Elmore County 32.43
18 Cassia County 32.06
19 Blaine County 31.84
20 Jefferson County 31.60
21 Oneida County 31.34
22 Bonneville County 29.10
23 Latah County 24.27
24 Nez Perce County 24.16
25 Bingham County 23.63
26 Washington County 23.21
27 Owyhee County 22.97
28 Bear Lake County 21.82
29 Idaho County 21.76
30 Kootenai County 21.44
31 Jerome County 19.23
32 Bannock County 18.34
33 Clearwater County 17.83
34 Ada County 15.69
35 Custer County 14.69
36 Fremont County 14.33
37 Valley County 14.29
38 Caribou County 13.83
39 Lewis County 12.23
40 Lincoln County 10.91
41 Gem County 9.96
42 Lemhi County 5.67
43 Butte County 0.00
43 Clark County 0.00