THE KEANSBURG LAND BRIEF
Land in the
Barrier Islands/Coastal Marshes setting.
Keansburg borough has 1.07 square miles of land in Monmouth County. Its Census boundary intersects Barrier Islands/Coastal Marshes, 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 from the Census boundary intersection
The Census reference point falls outside the regional layer’s mapped footprint. This classification uses the actual place-boundary intersection, with Barrier Islands/Coastal Marshes representing its largest mapped overlap. Shorelines and dataset boundaries can differ.
Keansburg and Monmouth County
Keansburg is associated with Monmouth 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.
Keansburg by land and water
The Census records 15.4 square miles of water within Keansburg, or 93.5% of its total area. It is 64.3 percentage points higher than the 29.2% recorded for Monmouth County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Keansburg borough has 60.2% of the land area of nearby Union Beach borough (1.78 square miles). These areas describe boundaries, not comparable property prices.

