Indiana
Snakes in Spencer County
5 species have been documented here, 1 of them venomous.
Venomous snakes in Spencer 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 Spencer County

Rough Greensnake
Opheodrys aestivus
Harmless

Common Garter Snake
Thamnophis sirtalis
Harmless

North American Racer
Coluber constrictor
Harmless

Common Watersnake
Nerodia sipedon
Harmless

Eastern Copperhead
Agkistrodon contortrix
Venomous
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Spencer County: FAQ
- Are there venomous snakes in Spencer County, Indiana?
- Yes. 1 venomous snake species has verified records in Spencer County, Indiana, including Eastern Copperhead. Most snakes in Spencer County, Indiana, however, are harmless.
- How many snake species live in Spencer County, Indiana?
- 5 snake species have verified records in Spencer County, Indiana, of which 1 is venomous.
- What is the most commonly seen snake in Spencer County, Indiana?
- The Rough Greensnake is the most frequently reported snake in Spencer County, Indiana, based on verified wildlife observations.
- What should I do if I see a venomous snake in Spencer 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.