Massachusetts County Map
Massachusetts consists of 14 counties, each of which functions as a local government unit.
About the map:
This Massachusetts County Map shows the state border, county borders, and county names.
Attribution is required! You may download, print or use the above map for educational, personal and non-commercial purposes. You must place a hyperlink (to this page) with attribution next to the image you use.
Map of Counties and County Seats in Massachusetts
About the map:
This Map of Counties and County Seats in Massachusetts shows state borders, state names, state capital city, islands, county borders, county names, and county seats.
County seats are indicated by a red circle, the state capital city is indicated by a star in the red circle. The larger the city in terms of population, the larger the circle on the map and the larger the font of the city name.
Attribution is required! You may download, print or use the above map for educational, personal and non-commercial purposes. You must place a hyperlink (to this page) with attribution next to the image you use.
List of counties in Massachusetts
Massachusetts consists of 14 counties, each of which is an administrative region of the state. Worcester County, the largest in area, covers approximately 1,513 square miles (3,919 km2). Middlesex County, the most populous, is home to more than 1,668,956 people.
| County | County Seat | Area | Population (2024)[1] | FIPS Code |
|---|---|---|---|---|
| Barnstable County | Barnstable | 396 sq mi (1,026 km2) | 232,570 | 001 |
| Berkshire County | Pittsfield | 931 sq mi (2,411 km2) | 128,726 | 003 |
| Bristol County | Taunton | 556 sq mi (1,440 km2) | 588,593 | 005 |
| Dukes County | Edgartown | 104 sq mi (269 km2) | 21,061 | 007 |
| Essex County | Salem, Lawrence | 498 sq mi (1,290 km2) | 823,938 | 009 |
| Franklin County | Greenfield | 702 sq mi (1,818 km2) | 70,871 | 011 |
| Hampden County | Springfield | 618 sq mi (1,601 km2) | 464,151 | 013 |
| Hampshire County | Northampton | 529 sq mi (1,370 km2) | 165,399 | 015 |
| Middlesex County | Lowell, Cambridge | 824 sq mi (2,134 km2) | 1,668,956 | 017 |
| Nantucket County | Nantucket | 48 sq mi (124 km2) | 14,670 | 019 |
| Norfolk County | Dedham | 400 sq mi (1,036 km2) | 740,754 | 021 |
| Plymouth County | Brockton, Plymouth | 661 sq mi (1,712 km2) | 542,090 | 023 |
| Suffolk County | Boston | 58 sq mi (150 km2) | 793,144 | 025 |
| Worcester County | Worcester | 1,513 sq mi (3,919 km2) | 881,248 | 027 |