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