Wetlands in DuPage County, Illinois

DuPage County, Illinois has 14,980 acres wetland mapped. The map below shows every mapped feature inside the county boundary.

DuPage County, Illinois at a glance

Wetland mapped14,980 acres
Distinct wetlands mapped5,179
Share of the county that is wetland7%
Most common wetland typeFreshwater Pond (2,559)
Distinct wetland types5
Largest single wetland208 acres (Freshwater Emergent Wetland)

DuPage County, Illinois is home to 934,298 residents. Land Owl's national wetlands layer records the following within the county boundary — Wetland mapped: 14,980 acres. Distinct wetlands mapped: 5,179. Share of the county that is wetland: 7%. Most common wetland type: Freshwater Pond (2,559). Distinct wetland types: 5. Largest single wetland: 208 acres (Freshwater Emergent Wetland). 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 DuPage County, Illinois?
Land Owl maps 14,980 acres wetland mapped within DuPage County, Illinois.
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.

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