Illinois
Snakes in Hardin County
5 species have been documented here, and none are venomous.
Every snake recorded in Hardin County

Common Watersnake
Nerodia sipedon
Harmless

Black Kingsnake
Lampropeltis nigra
Harmless

Ring-necked Snake
Diadophis punctatus
Harmless

Gray Ratsnake
Pantherophis spiloides
Harmless

Smooth Earthsnake
Virginia valeriae
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Hardin County: FAQ
- Are there venomous snakes in Hardin County, Illinois?
- No venomous snakes have verified records in Hardin County, Illinois. Every snake recorded here is harmless to humans, though any snake may bite defensively if handled.
- How many snake species live in Hardin County, Illinois?
- 5 snake species have verified records in Hardin County, Illinois.
- What is the most commonly seen snake in Hardin County, Illinois?
- The Common Watersnake is the most frequently reported snake in Hardin County, Illinois, based on verified wildlife observations.