Iowa
Snakes in Dubuque County
10 species have been documented here, and none are venomous.
Every snake recorded in Dubuque County
Common Garter Snake
Thamnophis sirtalis
Harmless
Common Watersnake
Nerodia sipedon
Harmless
DeKay's Brownsnake
Storeria dekayi
Harmless
Eastern Milksnake
Lampropeltis triangulum
Harmless
Western Ratsnake
Pantherophis obsoletus
Harmless
Ring-necked Snake
Diadophis punctatus
Harmless
Gray Ratsnake
Pantherophis spiloides
Harmless
Gopher Snake
Pituophis catenifer
Harmless
North American Racer
Coluber constrictor
Harmless
Red-bellied Snake
Storeria occipitomaculata
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Dubuque County: FAQ
- Are there venomous snakes in Dubuque County, Iowa?
- No venomous snakes have verified records in Dubuque County, Iowa. Every snake recorded here is harmless to humans, though any snake may bite defensively if handled.
- How many snake species live in Dubuque County, Iowa?
- 10 snake species have verified records in Dubuque County, Iowa.
- What is the most commonly seen snake in Dubuque County, Iowa?
- The Common Garter Snake is the most frequently reported snake in Dubuque County, Iowa, based on verified wildlife observations.