Ranking of Massachusetts Counties By Percentage of Population Aged 25 years and above with an Educational attainment of Some College or Associates Degree 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 Some College or Associates Degree was 22.77%. Among all Massachusetts counties, Barnstable County had the highest percentage of its population (aged 25 years and above) with an educational attainment of Some College or Associates Degree (28.56%), followed by Berkshire County (27.77%), and Hampden County (27.55%).

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 Some College or Associates Degree in 2021
Barnstable County
Berkshire County
Hampden County
Nantucket County
Plymouth County
Franklin County
Worcester County
Bristol County
Dukes County
Essex County
Ranking of Massachusetts Counties By Percentage of Population (Aged 25yrs+) with an Educational Attainment of Some College or Associates Degree in 2021
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Rank County Percentage of Population (Aged 25yrs+) (%)
1 Barnstable County 28.56
2 Berkshire County 27.77
3 Hampden County 27.55
4 Nantucket County 27.26
5 Plymouth County 26.93
6 Franklin County 26.80
7 Worcester County 26.65
8 Bristol County 26.36
9 Dukes County 24.40
10 Essex County 24.17
11 Hampshire County 23.46
12 Norfolk County 20.56
13 Suffolk County 18.04
14 Middlesex County 17.74