New Jersey
Snakes in Somerset County
9 species have been documented here, 1 of them venomous.
Venomous snakes in Somerset County
Full guide & what to do if bitten →
Eastern CopperheadAgkistrodon contortrixVenomousHeavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.
Every snake recorded in Somerset County

Common Garter Snake
Thamnophis sirtalis
Harmless

Common Watersnake
Nerodia sipedon
Harmless

Eastern Milksnake
Lampropeltis triangulum
Harmless

DeKay's Brownsnake
Storeria dekayi
Harmless

Ring-necked Snake
Diadophis punctatus
Harmless

Eastern Ratsnake
Pantherophis alleghaniensis
Harmless

North American Racer
Coluber constrictor
Harmless

Eastern Copperhead
Agkistrodon contortrix
Venomous

Common Ribbon Snake
Thamnophis saurita
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Somerset County: FAQ
- Are there venomous snakes in Somerset County, New Jersey?
- Yes. 1 venomous snake species has verified records in Somerset County, New Jersey, including Eastern Copperhead. Most snakes in Somerset County, New Jersey, however, are harmless.
- How many snake species live in Somerset County, New Jersey?
- 9 snake species have verified records in Somerset County, New Jersey, of which 1 is venomous.
- What is the most commonly seen snake in Somerset County, New Jersey?
- The Common Garter Snake is the most frequently reported snake in Somerset County, New Jersey, based on verified wildlife observations.
- What should I do if I see a venomous snake in Somerset County, New Jersey?
- Keep your distance and do not try to catch or kill it. Most bites happen when people handle or corner a snake. If someone is bitten, contact local emergency services or poison control immediately.