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.