Wetlands in Mercer County, New Jersey

Mercer County, New Jersey has 21,154 acres wetland mapped. The map below shows every mapped feature inside the county boundary.

Mercer County, New Jersey at a glance

Wetland mapped21,154 acres
Distinct wetlands mapped6,479
Share of the county that is wetland14.4%
Most common wetland typeFreshwater Forested/Shrub Wetland (3,198)
Distinct wetland types6
Largest single wetland869 acres (Riverine)

Mercer County, New Jersey is home to 399,289 residents. Land Owl's national wetlands layer records the following within the county boundary — Wetland mapped: 21,154 acres. Distinct wetlands mapped: 6,479. Share of the county that is wetland: 14.4%. Most common wetland type: Freshwater Forested/Shrub Wetland (3,198). Distinct wetland types: 6. Largest single wetland: 869 acres (Riverine). Every feature shown on the map above is clickable, and the figures on this page are derived from the same data the map renders, so they always agree. A free Land Owl account adds parcel boundaries, ownership records, flood zones, soils, wetlands and topography over the same view.

Frequently asked questions

How many wetlands are there in Mercer County, New Jersey?
Land Owl maps 21,154 acres wetland mapped within Mercer County, New Jersey.
Is this wetlands map free to use?
Yes. This map is free to view. A free Land Owl account unlocks the other data layers, parcel boundaries and ownership records.
Where does this data come from?
Land Owl maps wetlands from the U.S. Fish & Wildlife Service National Wetlands Inventory (NWI). NWI-mapped wetlands are a screening tool, not a jurisdictional delineation — confirm any boundary with a qualified delineator before you rely on it.

See every layer over Mercer County

Parcel boundaries, ownership, flood zones, soils, wetlands and topography on one map.

Sign up free