THE CHILMARK LAND BRIEF
Land in the
Cape Cod/Long Island setting.
Chilmark town has 19 square miles of land in Dukes County. Its Census reference point is in Cape Cod/Long Island, within Atlantic Coastal Pine Barrens.
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 ↗ · Classification at the Census reference point
Chilmark and Dukes County
Chilmark is associated with Dukes County in the Census boundary data. Start with the parcel’s tax bill to match the property to that jurisdiction, then confirm which government handles its land use.
Chilmark by land and water
The Census records 81.4 square miles of water within Chilmark, or 81% of its total area. It is 2.1 percentage points higher than the 79% recorded for Dukes County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Chilmark town has 3.6 times the land area of nearby Aquinnah town (5.33 square miles). These areas describe boundaries, not comparable property prices.

