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Every Venomous Snake in Your State

Check out a full list of the most dangerous snakes potentially lurking in your backyard.

A rattlesnake in a dry area outside ready to strike
Shutterstock
By Dana Schulz,
Dana Schulz
Deputy Lifestyle Editor
Dana Schulz is an experienced editor, writer, and content strategist who is just as likely to be crunching the ...
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Richard Evans
Richard Evans
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Aug 16, 2023

"Out of sight, out of mind" can be a good strategy to combat our biggest fears. But when it comes to a fear of snakes—despite snake bites being quite rare—it's best to be vigilant about where these slithery reptiles might be lurking. And that requires some knowledge of the dangerous snakes that reside near you. That's why antivenom brand CroFab put together a full list of the types of venomous snakes in each U.S. state. Read on to find out how many of these deadly creatures reside in your state, and which snake-heavy states you'll want to take extra caution in.

RELATED: 17-Year-Old Bitten by Rattlesnake in His Home—Where It Was Hiding.

Alabama

Mountain Brook, AlabamaShutterstock
  1. Copperhead
  2. Cottonmouth
  3. Eastern Diamondback Rattlesnake
  4. Pygmy Rattlesnake
  5. Timber Rattlesnake

Copperhead snakes are native to 28 states, along the East Coast (with the exception of New England) and in the Southeast and Midwest.

Alaska

glaciers, lake, and tress in Chugach, AlaskaShutterstock

Alaska is one of only four states with no native venomous snakes.

Arizona

landscape photo of Phoenix, Arizona at sunsetShutterstock
  1. Arizona Black Rattlesnake
  2. Black-Tailed Rattlesnake
  3. Grand Canyon Rattlesnake
  4. Massasauga
  5. Mojave Rattlesnake
  6. Prairie Rattlesnake
  7. Ridge-Nosed Rattlesnake
  8. Rock Rattlesnake
  9. Sidewinder
  10. Speckled Rattlesnake
  11. Tiger Rattlesnake
  12. Twin-Spotted Rattlesnake
  13. Western Diamondback Rattlesnake

Of all U.S. states, Arizona has the highest number of native snake species.

Arkansas

landscape photo of Little Rock, Arkansas at sunsetiStock
  1. Copperhead
  2. Cottonmouth
  3. Pygmy Rattlesnake
  4. Timber Rattlesnake
  5. Western Diamondback Rattlesnake

Cottonmouth snakes are native to 17 states, mainly in the Southeast and Midwest.

California

Beach in Northern CaliforniaShutterstock
  1. Great Basin Rattlesnake
  2. Mojave Rattlesnake
  3. Northern Pacific Rattlesnake
  4. Panamint Rattlesnake
  5. Red Diamond Rattlesnake
  6. Sidewinder
  7. Southern Pacific Rattlesnake
  8. Speckled Rattlesnake
  9. Western Diamondback Rattlesnake

California has the third-highest number of native snake species of all the states.

Colorado

Eldorado Springs, ColoradoShutterstock
  1. Massasauga
  2. Midget Faded Wester Rattlesnake
  3. Mojave Rattlesnake
  4. Prairie Rattlesnake

With the exception of the four states that have no native snake species, all U.S. states have native rattlesnakes.

Connecticut

Old Greenwich, ConnecticutShutterstock
  1. Copperhead
  2. Timber Rattlesnake

Delaware

Hockessin, DelawareShutterstock
  1. Copperhead
  2. Timber Rattlesnake

Florida

Florida KeysShutterstock
  1. Copperhead
  2. Cottonmouth
  3. Eastern Diamondback Rattlesnake
  4. Pygmy Rattlesnake
  5. Timber Rattlesnake

Georgia

GeorgiaShutterstock
  1. Copperhead
  2. Cottonmouth
  3. Eastern Diamondback Rattlesnake
  4. Pygmy Rattlensnake
  5. Timber Rattlesnake

RELATED: Giraffe-Sized Python Found in the U.S.—Why They're Unstoppable.

Hawaii

landscape photo of the coastline of Na Pali Coast and mountain in Kauai, HawaiiiStock

There are no venomous snakes in Hawaii.

Idaho

the Sawtooth Mountain Range and lake in Stanley, IdahoiStock
  1. Prairie Rattlesnake

Illinois

landscape photo of flowers and a field in Naperville, Illinois at sunsetiStock
  1. Copperhead
  2. Cottonmouth
  3. Massasauga
  4. Timber Rattlesnake

Indiana

Landscape photo of Brown County State Park, IndianaShutterstock
  1. Copperhead
  2. Cottonmouth
  3. Massasauga
  4. Timber Rattlesnake

Iowa

green grass and trees next to a riverbankShutterstock
  1. Copperhead
  2. Massasauga
  3. Prairie Rattlesnake
  4. Timber Rattlesnake

RELATED: 4 Scents That Attract Snakes to Your Yard, Experts Say.

Kansas

field of wheat in central Kansas is nearly ready for harvest. iStock
  1. Copperhead
  2. Cottonmouth
  3. Massasauga
  4. Prairie Rattlesnake
  5. Pygmy Rattlesnake
  6. Timber Rattlesnake

Kentucky

landscape photo of Frankfort, Kentucky at sunriseShutterstock
  1. Copperhead
  2. Cottonmouth
  3. Pygmy Rattlesnake
  4. Timber Rattlesnake

Louisiana

the cameron parish marshes LouisianaShutterstock
  1. Copperhead
  2. Cottonmouth
  3. Eastern Diamondback Rattlesnake
  4. Pygmy Rattlesnake
  5. Timber Rattlesnake

Maine

Fox Den Cove Moosehead Lakemountinez / iStock

There are no venomous snakes in Maine.

Maryland

the Great Falls of Potomac in Potomac, MarylandiStock
  1. Copperhead
  2. Timber Rattlesnake

RELATED: 8 Things in Your Yard That Are Attracting Snakes to Your Home.

Massachusetts

Waban Lake Park MassachusettsShutterstock
  1. Copperhead
  2. Timber Rattlesnake

Michigan

windmill in holland michiganShutterstock
  1. Massasauga

Minnesota

orange and green tress next to and a bridge over a lake in Duluth, MinnestoaShutterstock
  1. Massasauga
  2. Timber Rattlesnake

Mississippi

Madison, MississippiShutterstock
  1. Copperhead
  2. Cottonmouth
  3. Eastern Diamondback Rattlesnake
  4. Pygmy Rattlesnake
  5. Timber Rattlesnake

Missouri

pond in a garden with autumn trees in St. Louis, MissouriiStock
  1. Copperhead
  2. Cottonmouth
  3. Massasauga
  4. Pygmy Rattlesnake
  5. Timber Rattlesnake

Montana

MontanaShutterstock
  1. Prairie Rattlesnake

Nebraska

national historic park, chimney rock, nebraskaDon Mammoser / Shutterstock
  1. Copperhead
  2. Massasauga
  3. Prairie Rattlesnake
  4. Timber Rattlesnake

Nevada

Southern Rocky Mountains and flowers in El Paso, Texas at sunriseiStock
  1. Great Basin Rattlesnake
  2. Panamint Rattlesnake
  3. Prairie Rattlesnake
  4. Sidewinder
  5. Speckled Rattlesnake
  6. Western Diamondback Rattlesnake

New Hampshire

Etna New HampshireShutterstock
  1. Timber Rattlesnake

New Jersey

pine barrens in new jerseyShutterstock
  1. Copperhead
  2. Timber Rattlesnake

RELATED: 8 Plants That Will Keep Snakes Out of Your Yard, According to Pest Experts.

New Mexico

The White Cliffs of Gallup in Gallup, New MexicoPixel Doc / Shutterstock
  1. Black-Tailed Rattlesnake
  2. Massasauga
  3. Prairie Rattlesnake
  4. Ridge-Nosed Rattlesnake
  5. Rock Rattlesnake
  6. Western Diamondback Rattlesnake

New York

field of flowers and tress and a lake in Fort Montgomery, New YorkShutterstock
  1. Copperhead
  2. Massasauga
  3. Timber Rattlesnake

North Carolina

garden filled with flowers and trees in Raleigh, North CarolinaShutterstock
  1. Copperhead
  2. Cottonmouth
  3. Eastern Diamondback Rattlesnake
  4. Pygmy Rattlesnake
  5. Timber Rattlesnake

North Dakota

a butte and green trees at Theodore Roosevelt National Park in North DakotaShutterstock
  1. Prairie Rattlesnake

Ohio

A Stone Stairway And Path Through A Forest Glen Helen Nature Preserve Yellow Springs OhioShutterstock
  1. Copperhead
  2. Massasauga
  3. Timber Rattlesnake

Oklahoma

photo of rock formation, the Wedding Party, in the Black Mesa Area, OklahomaiStock
  1. Copperhead
  2. Cottonmouth
  3. Massasauga
  4. Prairie Rattlesnake
  5. Pygmy Rattlesnake
  6. Timber Rattlesnake
  7. Western Diamondback Rattlesnake

Oregon

glaciers, lake, and tress in Deschutes County, OregonShutterstock
  1. Northern Pacific Rattlesnake
  2. Prairie Rattlesnake

Pennsylvania

kinzua bridge in kane pennsylvania destroyed during the 2003 tornadoShutterstock
  1. Copperhead
  2. Massasauga
  3. Timber Rattlesnake

Rhode Island

flowers and beach in Newport, Rhode IslandShutterstock

There are no venomous snakes in Rhode Island.

South Carolina

landscape photo of a garden in Charleston, South CarolinaShutterstock
  1. Copperhead
  2. Cottonmouth
  3. Eastern Diamondback Rattlesnake
  4. Pygmy Rattlesnake

RELATED: A Copperhead Snake Bit a 4-Year-Old Boy—Here's Where It Was Hiding.

South Dakota

buffalo in custer state park, south dakotaShutterstock
  1. Prairie Rattlesnake

Tennessee

fall trees reflecting on the shoreline of Bay Mountain Lake Park in Kingsport, TennesseeiStock
  1. Copperhead
  2. Cottonmouth
  3. Pygmy Rattlesnake
  4. Timber Rattlesnake

Texas

landscape photo of Garner State Park, TexasShutterstock
  1. Black-Tailed Rattlesnake
  2. Copperhead
  3. Cottonmouth
  4. Massasauga
  5. Mojave Rattlesnake
  6. Prairie Rattlesnake
  7. Pygmy Rattlesnake
  8. Rock Rattlesnake
  9. Timber Rattlesnake
  10. Western Diamondback Rattlesnake

Texas has the second-highest number of native snake species of all U.S. states.

Utah

a field of pink, orange, and purple wildflowers and mountains in Alta, UtahShutterstock
  1. Great Basin Rattlesnake
  2. Midget Faded Western Rattlesnake
  3. Mojave Rattlesnake
  4. Prairie Rattlesnake
  5. Sidewinder
  6. Speckled Rattlesnake
  7. Timber Rattlesnake

Vermont

red farmhouses, orange trees, and rural land in Reading, Vermont at sunriseShutterstock
  1. Timber Rattlesnake

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Virginia

landscape photo of Buchanan, VirginiaShutterstock
  1. Copperhead
  2. Cottonmouth
  3. Timber Rattlesnake

Washington

landscape photo of mountains and flowers at Mt. Rainier in Seattle, WashingtoniStock
  1. Northern Pacific Rattlesnake
  2. Prairie Rattlesnake

West Virginia

cranberry glades west virginia state natural wondersShutterstock
  1. Copperhead
  2. Timber Rattlesnake

Wisconsin

sunflower fieldShutterstock
  1. Massasauga
  2. Timber Rattlesnake

Wyoming

sunset in the rural town of buffalo wyomingShutterstock
  1. Midget Faded Western Rattlesnake
  2. Prairie Rattlesnake

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