New Jersey
Snakes in Monmouth County
12 species have been documented here, 1 of them venomous.
Venomous snakes in Monmouth County
Full guide & what to do if bitten →
Timber RattlesnakeCrotalus horridusVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Every snake recorded in Monmouth County
Common Garter Snake
Thamnophis sirtalis
Harmless
DeKay's Brownsnake
Storeria dekayi
Harmless
Common Watersnake
Nerodia sipedon
Harmless
North American Racer
Coluber constrictor
Harmless
Eastern Milksnake
Lampropeltis triangulum
Harmless
Ring-necked Snake
Diadophis punctatus
Harmless
Eastern Hognose Snake
Heterodon platirhinos
Harmless
Rough Greensnake
Opheodrys aestivus
Harmless
Common Wormsnake
Carphophis amoenus
Harmless
Eastern Ratsnake
Pantherophis alleghaniensis
Harmless
Timber Rattlesnake
Crotalus horridus
Venomous
Pine Snake
Pituophis melanoleucus
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Monmouth County: FAQ
- Are there venomous snakes in Monmouth County, New Jersey?
- Yes. 1 venomous snake species has verified records in Monmouth County, New Jersey, including Timber Rattlesnake. Most snakes in Monmouth County, New Jersey, however, are harmless.
- How many snake species live in Monmouth County, New Jersey?
- 10+ snake species have verified records in Monmouth County, New Jersey, of which 1 is venomous.
- What is the most commonly seen snake in Monmouth County, New Jersey?
- The Common Garter Snake is the most frequently reported snake in Monmouth County, New Jersey, based on verified wildlife observations.
- What should I do if I see a venomous snake in Monmouth 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.