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

Based on the US Census ACS-5Yrs estimates, in 2021, the percentage of the population of Maryland (aged 25 years and above) who had an educational attainment of High School Graduate or Equivalent was 23.92%. Among all Maryland counties, Garrett County had the highest percentage of its population (aged 25 years and above) with an educational attainment of High School Graduate or Equivalent (41.78%), followed by Allegany County (40.82%), and Dorchester County (39.57%).

The chart below shows the top 10 Maryland counties, and the table below shows the ranking of all Maryland counties.

You can see similar information for other educational attainments.

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