Wetlands in Marshall County, Iowa
Marshall County, Iowa has 11,520 acres wetland mapped. The map below shows every mapped feature inside the county boundary.
Marshall County, Iowa at a glance
| Wetland mapped | 11,520 acres |
|---|---|
| Distinct wetlands mapped | 5,211 |
| Share of the county that is wetland | 3.2% |
| Most common wetland type | Freshwater Emergent Wetland (1,975) |
| Distinct wetland types | 5 |
| Largest single wetland | 338 acres (Freshwater Forested/Shrub Wetland) |
Marshall County, Iowa is home to 39,890 residents. Land Owl's national wetlands layer records the following within the county boundary — Wetland mapped: 11,520 acres. Distinct wetlands mapped: 5,211. Share of the county that is wetland: 3.2%. Most common wetland type: Freshwater Emergent Wetland (1,975). Distinct wetland types: 5. Largest single wetland: 338 acres (Freshwater Forested/Shrub 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 Marshall County, Iowa?
- Land Owl maps 11,520 acres wetland mapped within Marshall County, Iowa.
- 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 Marshall County
Parcel boundaries, ownership, flood zones, soils, wetlands and topography on one map.
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