Ranking of Arizona Counties By Percentage of Non-Hispanic White Alone Population Aged 25 years and above with an Educational attainment of Less than High School Diploma in 2021 (ACS-5Yrs)

Updated on September 5, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the percentage of the Arizona Non-Hispanic White Alone population (aged 25 years and above) who had an educational attainment of Less than High School Diploma was 4.94%. Among all Arizona counties, Graham County had the highest percentage of its Non-Hispanic White Alone population (aged 25 years and above) with an educational attainment of Less than High School Diploma (12.48%), followed by La Paz County (10.77%), and Mohave County (10.20%).

The chart below shows the top 10 Arizona counties, and the table below shows the ranking of all Arizona 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 Arizona Counties By Percentage of Non-Hispanic White Alone Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
Graham County
La Paz County
Mohave County
Greenlee County
Yuma County
Gila County
Pinal County
Cochise County
Navajo County
Yavapai County
Ranking of Arizona Counties By Percentage of Non-Hispanic White Alone Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
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Rank County Percentage of Population (Aged 25yrs+) (%)
1 Graham County 12.48
2 La Paz County 10.77
3 Mohave County 10.20
4 Greenlee County 9.19
5 Yuma County 8.23
6 Gila County 7.93
7 Pinal County 6.71
8 Cochise County 6.14
9 Navajo County 5.98
10 Yavapai County 5.93
11 Apache County 5.66
12 Maricopa County 4.28
13 Pima County 4.09
14 Santa Cruz County 4.01
15 Coconino County 2.63