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

Based on the US Census ACS-5Yrs estimates, in 2021, the population of Arizona (aged 25 years and above) who had an educational attainment of Less than High School Diploma was 560,460. Among all Arizona counties, Maricopa County had the highest population (aged 25 years and above) with an educational attainment of Less than High School Diploma (326,737), followed by Pima County (74,468), and Pinal County (36,411).

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.

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