9. South Carolina
Venomous snakes count: 9
There are 38 native snakes to South Carolina of which six are venomous snake species, which include subspecies of copperheads and cottonmouths that we have taken into count. Therefore South Carolina’s venomous snakes are: Carolina pygmy rattlesnake, dusky pygmy rattlesnake, eastern coral snake, eastern cottonmouth, eastern diamondback rattlesnake, Florida cottonmouth, northern copperhead, southern copperhead, timber rattlesnake.