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