Ranking of Arizona Counties By 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 Arizona White Alone population (aged 25 years and above) who had an educational attainment of Less than High School Diploma was 317,898. Among all Arizona counties, Maricopa County had the highest White Alone population (aged 25 years and above) with an educational attainment of Less than High School Diploma (183,716), followed by Pima County (38,454), and Pinal County (23,516).

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 White Alone Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
Maricopa County
Pima County
Pinal County
Yuma County
Mohave County
Yavapai County
Cochise County
Santa Cruz County
Gila County
Graham County
Ranking of Arizona Counties By White Alone Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
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Rank County Number of People
1 Maricopa County 183716
2 Pima County 38454
3 Pinal County 23516
4 Yuma County 20915
5 Mohave County 16472
6 Yavapai County 11084
7 Cochise County 7097
8 Santa Cruz County 4001
9 Gila County 2909
10 Graham County 2601
11 Navajo County 2523
12 Coconino County 1847
13 La Paz County 1372
14 Apache County 918
15 Greenlee County 473