Ohio
Snakes in Franklin County
12 species have been documented here, 2 of them venomous.
Venomous snakes in Franklin 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.
Eastern MassasaugaSistrurus catenatusVenomousStout, dark-blotched body, nine large scales on the crown, and a small rattle.
Every snake recorded in Franklin County

DeKay's Brownsnake
Storeria dekayi
Harmless

Common Garter Snake
Thamnophis sirtalis
Harmless

Common Watersnake
Nerodia sipedon
Harmless

Gray Ratsnake
Pantherophis spiloides
Harmless

Queensnake
Regina septemvittata
Harmless

Eastern Milksnake
Lampropeltis triangulum
Harmless

Ring-necked Snake
Diadophis punctatus
Harmless

North American Racer
Coluber constrictor
Harmless

Western Ratsnake
Pantherophis obsoletus
Harmless

Butler's Garter Snake
Thamnophis butleri
Harmless

Timber Rattlesnake
Crotalus horridus
Venomous

Eastern Massasauga
Sistrurus catenatus
Venomous
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Franklin County: FAQ
- Are there venomous snakes in Franklin County, Ohio?
- Yes. 2 venomous snake species have verified records in Franklin County, Ohio, including Timber Rattlesnake, Eastern Massasauga. Most snakes in Franklin County, Ohio, however, are harmless.
- How many snake species live in Franklin County, Ohio?
- 10+ snake species have verified records in Franklin County, Ohio, of which 2 are venomous.
- What is the most commonly seen snake in Franklin County, Ohio?
- The DeKay's Brownsnake is the most frequently reported snake in Franklin County, Ohio, based on verified wildlife observations.
- What should I do if I see a venomous snake in Franklin County, Ohio?
- 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.