Ranking of Massachusetts Counties By Non-Hispanic White Alone Population Aged 25 years and above with an Educational attainment of High School Graduate or Equivalent in 2021 (ACS-5Yrs)

Updated on September 5, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the Massachusetts Non-Hispanic White Alone population (aged 25 years and above) who had an educational attainment of High School Graduate or Equivalent was 831,717. Among all Massachusetts counties, Middlesex County had the highest Non-Hispanic White Alone population (aged 25 years and above) with an educational attainment of High School Graduate or Equivalent (151,792), followed by Worcester County (127,967), and Bristol County (102,902).

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, and for other races and ethnicities.

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

Ranking of Massachusetts Counties By Non-Hispanic White Alone Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
Middlesex County
Worcester County
Bristol County
Essex County
Plymouth County
Norfolk County
Hampden County
Suffolk County
Barnstable County
Berkshire County
Ranking of Massachusetts Counties By Non-Hispanic White Alone Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
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Rank County Number of People
1 Middlesex County 151792
2 Worcester County 127967
3 Bristol County 102902
4 Essex County 97446
5 Plymouth County 80324
6 Norfolk County 69721
7 Hampden County 63540
8 Suffolk County 40894
9 Barnstable County 33934
10 Berkshire County 25430
11 Hampshire County 19232
12 Franklin County 14062
13 Dukes County 3114
14 Nantucket County 1359