List of counties in Massachusetts
The US state of Massachusetts is divided into 14 counties .
| county | Resident July 1, 2017 | Population census 2010 | Administrative headquarters |
|---|---|---|---|
| Barnstable | 213,444 | 215,868 | Barnstable |
| Berkshire | 126,313 | 131,272 | Pittsfield |
| Bristol | 561,483 | 548.265 | Taunton |
| Dukes | 17,325 | 16,535 | Edgartown |
| Essex | 785.205 | 743.172 |
Salem Lawrence |
| Franklin | 70,702 | 71,372 | Greenfield |
| Hampden | 469.818 | 463.625 | Springfield |
| Hampshire | 161,834 | 158.078 | Northampton |
| Middlesex | 1,602,947 | 1,503,017 |
Cambridge Lowell |
| Nantucket | 11,229 | 10.172 | Nantucket |
| Norfolk | 700,322 | 670.968 | Dedham |
| Plymouth | 515.142 | 494,949 |
Brockton Plymouth |
| Suffolk | 797.939 | 722.136 | Boston |
| Worcester | 826.116 | 798.379 | Worcester |