Are There Poisonous Snakes in Iowa


Are There Poisonous Snakes in Iowa?

Iowa is not known for its mountain ranges and tropical forests, but it does have a diverse wildlife population, including many varieties of snakes. While there are several snakes native to Iowa, none of them are poisonous.

Non-Venomous Snakes in Iowa

Iowa is home to 6 kinds of non-venomous snakes, including:

    • Common Garter Snakes


    • Ring-necked Snakes


    • Plains Black-headed Snakes


    • Smooth Greensnakes


    • Rough Greensnakes


    • Water Snakes


These non-venomous snakes don’t pose much of a threat to humans, but can become a nuisance if they create a habitat in or near human dwellings.

Why There Are No Poisonous Snakes in Iowa

The main reason why Iowa doesn’t have any poisonous snakes is that it doesn’t have the right kind of environment for them to thrive. Iowa’s climate is not conducive to the kinds of habitats that poisonous snakes require, such as wooded hillsides, rocky areas, and other areas with ample cover.

In addition, Iowa doesn’t have an established trade for exotic animals, which means it’s unlikely for poisonous snakes to find their way into the state.

What to Do If You Encounter a Snake in Iowa

If you spot a snake in Iowa, it’s important to remember that all snakes should be treated with caution. The best thing to do is to simply leave the snake alone and give it plenty of space.

If you think the snake may have entered your home or property, it’s best to contact a pest control specialist or wildlife expert. These professionals know how to safely and humanely remove snakes from your property.


Iowa may not have any poisonous snakes, but its species of non-venomous snakes should still be treated with caution. If you ever encounter a snake in Iowa, it’s best to leave it alone, or contact a specialist to remove it.

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