Map of Massachusetts

Click Massachusetts to zoom in and explore counties. Click any other state to visit its page.

How many counties are in Massachusetts?

Massachusetts has 14 counties. The list below includes each county, its FIPS code, and population.

Total counties 14 Current county count for Massachusetts.

Largest by population Middlesex County 1,623,952 residents

Smallest by population Nantucket County 14,444 residents

Massachusetts county table

County list for Massachusetts with county FIPS codes and population totals.

County	State	County FIPS	Population
Middlesex County	MA	25017	1,623,952
Worcester County	MA	25027	866,866
Essex County	MA	25009	810,089
Suffolk County	MA	25025	768,425
Norfolk County	MA	25021	727,473
Bristol County	MA	25005	581,841
Plymouth County	MA	25023	535,308
Hampden County	MA	25013	460,291
Barnstable County	MA	25001	231,735
Hampshire County	MA	25015	162,502
Berkshire County	MA	25003	126,818
Franklin County	MA	25011	70,836
Dukes County	MA	25007	20,819
Nantucket County	MA	25019	14,444

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