Ranking of Massachusetts Counties By Percentage of Population Aged 25 years and above with an Educational attainment of Bachelors or Higher in 2021 (ACS-5Yrs)

Updated on September 3, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the percentage of the population of Massachusetts (aged 25 years and above) who had an educational attainment of Bachelors or Higher was 45.21%. Among all Massachusetts counties, Middlesex County had the highest percentage of its population (aged 25 years and above) with an educational attainment of Bachelors or Higher (57.77%), followed by Norfolk County (55.54%), and Nantucket County (50.70%).

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

You can see similar information for other educational attainments.

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

Ranking of Massachusetts Counties By Percentage of Population (Aged 25yrs+) with an Educational Attainment of Bachelors or Higher in 2021
Middlesex County
Norfolk County
Nantucket County
Hampshire County
Suffolk County
Dukes County
Barnstable County
Essex County
Plymouth County
Franklin County
Ranking of Massachusetts Counties By Percentage of Population (Aged 25yrs+) with an Educational Attainment of Bachelors or Higher in 2021
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Rank County Percentage of Population (Aged 25yrs+) (%)
1 Middlesex County 57.77
2 Norfolk County 55.54
3 Nantucket County 50.70
4 Hampshire County 50.23
5 Suffolk County 48.14
6 Dukes County 46.05
7 Barnstable County 44.87
8 Essex County 41.19
9 Plymouth County 39.33
10 Franklin County 38.85
11 Worcester County 38.06
12 Berkshire County 36.07
13 Bristol County 29.33
14 Hampden County 28.22