Massachusetts is divided into 14 counties, each managed by its own local government. Use this interactive map and advanced search tools to explore Massachusetts’ counties, major cities, towns, and ZIP codes.

Interactive Map of All Massachusetts Counties

Click on any county below to explore more about it.

No.	County Name	Largest City	County Map & Zip Code
1	Barnstable	Barnstable	Barnstable County Map Link
2	Berkshire	Pittsfield	Berkshire County Map Link
3	Bristol	New Bedford	Bristol County Map Link
4	Dukes	Edgartown	Dukes County Map Link
5	Essex	Lynn	Essex County Map Link
6	Franklin	Greenfield	Franklin County Map Link
7	Hampden	Springfield	Hampden County Map Link
8	Hampshire	Northampton	Hampshire County Map Link
9	Middlesex	Lowell	Middlesex County Map Link
10	Nantucket	Nantucket	Nantucket County Map Link
11	Norfolk	Quincy	Norfolk County Map Link
12	Plymouth	Brockton	Plymouth County Map Link
13	Suffolk	Boston	Suffolk County Map Link
14	Worcester	Worcester	Worcester County Map Link

Massachusetts County Map Download

You can download the Massachusetts County Map from below:

Frequently Asked Questions

The largest county in Massachusetts by area is Worcester County. It covers the most land area compared to the other counties in the state.

The smallest county in Massachusetts by area is Suffolk County. It is the smallest in land size but includes the city of Boston, the state capital.

Massachusetts has 14 counties in total.

Source: Wikipedia, Census.gov