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

Common Garter Snake
Thamnophis sirtalis
Harmless

Western Ratsnake
Pantherophis obsoletus
Harmless

Common Watersnake
Nerodia sipedon
Harmless

DeKay's Brownsnake
Storeria dekayi
Harmless

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