Ranking of Massachusetts Counties By Population in 2020

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2020, the Population for Massachusetts was 7.00M. Among all Massachusetts counties, Middlesex County had the highest population (1.63M), followed by Worcester County (859.67K), and Essex County (807.79K).

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

You can see similar ranking information for related topics, and for other states. You can also see the ranking of all counties in the United States.

See this for other years:
Ranking of Massachusetts Counties By Population in 2020
Middlesex
Worcester
Essex
Suffolk
Norfolk
Bristol
Plymouth
Hampden
Barnstable
Hampshire
Ranking of Massachusetts Counties By Population in 2020
Items per page:
0 of 0
Rank County Population
1 Middlesex County 1628235
2 Worcester County 859669
3 Essex County 807791
4 Suffolk County 797181
5 Norfolk County 724554
6 Bristol County 576772
7 Plymouth County 530200
8 Hampden County 464311
9 Barnstable County 228012
10 Hampshire County 146616
11 Berkshire County 128619
12 Franklin County 70923
13 Dukes County 20593
14 Nantucket County 14237