Ranking of Massachusetts Counties By 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 population of Massachusetts (aged 25 years and above) who had an educational attainment of Some College or Associates Degree was 1,116,219. Among all Massachusetts counties, Middlesex County had the highest population (aged 25 years and above) with an educational attainment of Some College or Associates Degree (202,660), followed by Worcester County (158,341), and Essex County (135,347).

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 Population (Aged 25yrs+) with an Educational Attainment of Some College or Associates Degree in 2021
Middlesex County
Worcester County
Essex County
Bristol County
Norfolk County
Suffolk County
Plymouth County
Hampden County
Barnstable County
Berkshire County
Ranking of Massachusetts Counties By Population (Aged 25yrs+) with an Educational Attainment of Some College or Associates Degree in 2021
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Rank County Number of People
1 Middlesex County 202660
2 Worcester County 158341
3 Essex County 135347
4 Bristol County 106707
5 Norfolk County 104228
6 Suffolk County 99726
7 Plymouth County 99590
8 Hampden County 87767
9 Barnstable County 50878
10 Berkshire County 26447
11 Hampshire County 23495
12 Franklin County 14453
13 Dukes County 3795
14 Nantucket County 2785