Ranking of Massachusetts Counties By Population Density from Census 2020
According to the data from the US 2020 Census, as at April 2020, among all Massachusetts counties, Suffolk County had the highest population density per square mile (13.70K people per sqr mile), followed by Middlesex County (2.00K people per sqr mile), and Norfolk County (1.83K people per sqr mile).
On the other hand, Franklin County had the lowest population density (101.59 people per sqr mile), followed by Berkshire County (139.21 people per sqr mile), and Dukes County (199.61 people per sqr mile).
The chart below shows the top 10 counties with high population density, and the table below shows the ranking of all Massachusetts counties.
You can also see similar ranking of counties information for other states as well as for all counties in the United States.
| Rank | County | Population Density |
|---|---|---|
| 1 | Suffolk County | 13697.57 |
| 2 | Middlesex County | 1995.47 |
| 3 | Norfolk County | 1832.79 |
| 4 | Essex County | 1644.25 |
| 5 | Bristol County | 1047.17 |
| 6 | Plymouth County | 806.10 |
| 7 | Hampden County | 754.98 |
| 8 | Barnstable County | 580.88 |
| 9 | Worcester County | 570.68 |
| 10 | Nantucket County | 308.60 |
| 11 | Hampshire County | 307.85 |
| 12 | Dukes County | 199.61 |
| 13 | Berkshire County | 139.21 |
| 14 | Franklin County | 101.59 |