Ranking of Massachusetts Counties By Total Population from Census 2020
Updated on February 7, 2023.
According to the data from the US 2020 Census, the most populated Massachusetts county as at April 2020 was Middlesex County (1.63M), followed by Worcester County (862.11K), and Essex County (809.83K).
The chart below shows the top 10 most populated counties, and the table below shows the ranking of all the counties in the state of Massachusetts.
You can also see the ranking of counties by population for other states as well as for the whole United States.
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Related Topics: Massachusetts Census 2020 Topic List.
Data Source: US Census Bureau, 2020 Census.
Ranking of Massachusetts Counties By Total Population from Census 2020
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| Rank | County | Population |
|---|---|---|
| 1 | Middlesex County | 1632002 |
| 2 | Worcester County | 862111 |
| 3 | Essex County | 809829 |
| 4 | Suffolk County | 797936 |
| 5 | Norfolk County | 725981 |
| 6 | Bristol County | 579200 |
| 7 | Plymouth County | 530819 |
| 8 | Hampden County | 465825 |
| 9 | Barnstable County | 228996 |
| 10 | Hampshire County | 162308 |
| 11 | Berkshire County | 129026 |
| 12 | Franklin County | 71029 |
| 13 | Dukes County | 20600 |
| 14 | Nantucket County | 14255 |