Wisconsin
Snakes in Iron County
4 species have been documented here, and none are venomous.
Every snake recorded in Iron County

Common Garter Snake
Thamnophis sirtalis
Harmless

Common Watersnake
Nerodia sipedon
Harmless

Red-bellied Snake
Storeria occipitomaculata
Harmless

Smooth Greensnake
Opheodrys vernalis
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Iron County: FAQ
- Are there venomous snakes in Iron County, Wisconsin?
- No venomous snakes have verified records in Iron County, Wisconsin. Every snake recorded here is harmless to humans, though any snake may bite defensively if handled.
- How many snake species live in Iron County, Wisconsin?
- 4 snake species have verified records in Iron County, Wisconsin.
- What is the most commonly seen snake in Iron County, Wisconsin?
- The Common Garter Snake is the most frequently reported snake in Iron County, Wisconsin, based on verified wildlife observations.