THE BARNSTABLE COUNTY LAND BRIEF
Land in the
Cape Cod/Long Island setting.
Barnstable County has 394.2 square miles of land in Massachusetts. The mapped landscape region in Barnstable County is Cape Cod/Long Island.
Sandy coastal landscapes combine beaches, dunes, bays and marshes with oak-pine woodland. These pine-barrens settings form a transition between warmer southern coasts and rockier shores farther north.
Regional context: Atlantic Coastal Pine Barrens ↗ · Regional mapping across the county footprint
Finding your parcel within Barnstable County
The atlas lists 54 cities, towns, townships, and Census communities associated with Barnstable County, including Barnstable Town, Falmouth, Sandwich. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Barnstable County by land and water
The Census records 911.4 square miles of water within Barnstable County, or 69.8% of its total area. That share is close to Barnstable County’s 69.8%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Barnstable County has 86.6 times the land area of nearby South Dennis CDP (4.55 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Bristol County, Dukes County, Plymouth County within Massachusetts. A tract near one of these lines should be matched to the county identifier on its own records.

