THE BERGEN COUNTY LAND BRIEF
Land in the
Glaciated Triassic Lowlands setting.
Bergen County has 232.8 square miles of land in New Jersey. 4 mapped landscape regions meet across Bergen County: Glaciated Triassic Lowlands, Trap Rock and Conglomerate Uplands, Hackensack Meadowlands, among others.
Rounded low hills, open valleys and irregular plains form a transition between Appalachian highlands and the coastal plain. The underlying geology mixes metamorphic, igneous and sedimentary rocks.
Regional context: Northern Piedmont ↗ · Regional mapping across the county footprint
Where the landscape changes
Bergen County intersects 4 mapped regional units. The largest mapped shares are:
- Glaciated Triassic Lowlands69.4%
- Trap Rock and Conglomerate Uplands14.6%
- Hackensack Meadowlands10%
- Glaciated Reading Prong/Hudson Highlands6%
Northeastern Highlands in Bergen County
Forested hills and mountains span northern New England, the Adirondacks and higher Catskills. Glacial lakes and steep streams accompany a transition between northern hardwood and spruce-fir forests.
Read the regional source ↗Finding your parcel within Bergen County
The atlas lists 71 cities, towns, townships, and Census communities associated with Bergen County, including Mahwah, Paramus, Franklin Lakes. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Bergen County by land and water
The Census records 13.7 square miles of water within Bergen County, or 5.5% of its total area. That share is close to Bergen County’s 5.5%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Bergen County has 22.3 times the land area of nearby Paramus borough (10.4 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Essex County, Hudson County, Passaic County within New Jersey. A tract near one of these lines should be matched to the county identifier on its own records.

