Kentucky
Snakes in Union County
3 species have been documented here, 1 of them venomous.
Venomous snakes in Union County
Full guide & what to do if bitten →
Northern CottonmouthAgkistrodon piscivorusVenomousHeavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.
Every snake recorded in Union County

Common Watersnake
Nerodia sipedon
Harmless

Northern Cottonmouth
Agkistrodon piscivorus
Venomous

Common Wormsnake
Carphophis amoenus
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Union County: FAQ
- Are there venomous snakes in Union County, Kentucky?
- Yes. 1 venomous snake species has verified records in Union County, Kentucky, including Northern Cottonmouth. Most snakes in Union County, Kentucky, however, are harmless.
- How many snake species live in Union County, Kentucky?
- 3 snake species have verified records in Union County, Kentucky, of which 1 is venomous.
- What is the most commonly seen snake in Union County, Kentucky?
- The Common Watersnake is the most frequently reported snake in Union County, Kentucky, based on verified wildlife observations.
- What should I do if I see a venomous snake in Union County, Kentucky?
- 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.