Indiana
Snakes in Jefferson County
14 species have been documented here, 1 of them venomous.
Venomous snakes in Jefferson 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 Jefferson County
Common Watersnake
Nerodia sipedon
Harmless
Queensnake
Regina septemvittata
Harmless
Ring-necked Snake
Diadophis punctatus
Harmless
Common Garter Snake
Thamnophis sirtalis
Harmless
North American Racer
Coluber constrictor
Harmless
Eastern Milksnake
Lampropeltis triangulum
Harmless
Gray Ratsnake
Pantherophis spiloides
Harmless
Rough Greensnake
Opheodrys aestivus
Harmless
DeKay's Brownsnake
Storeria dekayi
Harmless
Kirtland's Snake
Clonophis kirtlandii
Harmless
Western Ratsnake
Pantherophis obsoletus
Harmless
Black Kingsnake
Lampropeltis nigra
Harmless
Eastern Copperhead
Agkistrodon contortrix
Venomous
Common Wormsnake
Carphophis amoenus
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Jefferson County: FAQ
- Are there venomous snakes in Jefferson County, Indiana?
- Yes. 1 venomous snake species has verified records in Jefferson County, Indiana, including Eastern Copperhead. Most snakes in Jefferson County, Indiana, however, are harmless.
- How many snake species live in Jefferson County, Indiana?
- 10+ snake species have verified records in Jefferson County, Indiana, of which 1 is venomous.
- What is the most commonly seen snake in Jefferson County, Indiana?
- The Common Watersnake is the most frequently reported snake in Jefferson County, Indiana, based on verified wildlife observations.
- What should I do if I see a venomous snake in Jefferson County, Indiana?
- 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.