Illinois
Snakes in Franklin County
6 species have been documented here, and none are venomous.
Every snake recorded in Franklin County
Gray Ratsnake
Pantherophis spiloides
Harmless
Common Watersnake
Nerodia sipedon
Harmless
Prairie Kingsnake
Lampropeltis calligaster
Harmless
Common Garter Snake
Thamnophis sirtalis
Harmless
DeKay's Brownsnake
Storeria dekayi
Harmless
Plain-bellied Watersnake
Nerodia erythrogaster
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Franklin County: FAQ
- Are there venomous snakes in Franklin County, Illinois?
- No venomous snakes have verified records in Franklin County, Illinois. Every snake recorded here is harmless to humans, though any snake may bite defensively if handled.
- How many snake species live in Franklin County, Illinois?
- 6 snake species have verified records in Franklin County, Illinois.
- What is the most commonly seen snake in Franklin County, Illinois?
- The Gray Ratsnake is the most frequently reported snake in Franklin County, Illinois, based on verified wildlife observations.