Are There Scorpions in Iowa?
No, scorpions are not established in Iowa. These arachnids are found only in warm, dry regions of the southwestern United States and Hawaii. Iowa's cold winters and moderate precipitation create unsuitable conditions for scorpion survival. This guide provides information for travelers who might encounter scorpions elsewhere.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated July 22, 2026.
Western Forest Scorpion · Seth CC BY
Black Hairy Scorpion · Public domain CC0
Southern Devil Scorpion · Alan Rockefeller CC BY
- 0
- GBIF records
Scorpions aren't established in Iowa, so you might be wondering:
Real sighting data, source iNaturalist
Only 0 verified observations on iNaturalist of scorpion have been logged in Iowa, which fits how rare they are in the state. That low number is itself the most honest answer to whether you are likely to see one here.
No, scorpions are not established in Iowa. These arachnids are found only in warm, dry regions of the southwestern United States and Hawaii. Iowa's cold winters and moderate precipitation create unsuitable conditions for scorpion survival. This guide provides information for travelers who might encounter scorpions elsewhere.
Are they in Iowa?
Scorpions are not found in Iowa. These arachnids require warm, arid environments and are established only in the southwestern United States, over 1,500 miles away. Iowa's continental climate with cold winters that regularly drop well below freezing and moderate to abundant precipitation throughout the year does not support scorpion populations. Freezing temperatures are lethal to all North American scorpion species, making Iowa's winters inhospitable. The state's geography, including numerous lakes, rivers, and forests, creates humidity levels that scorpions cannot tolerate. Even in more southern states, scorpions are absent or extraordinarily rare. If you encounter something that looks like a scorpion in Iowa, it would almost certainly be a misidentification or an escaped exotic pet from private ownership. For documentation aboutScorpion in Iowa, state wildlife resources confirm that no established populations exist anywhere in Iowa.
How dangerous is it?
Understanding scorpion danger is useful for travelers visiting regions where these arachnids are established. Most North American scorpion stings cause pain and local swelling similar to a bee or wasp sting. The Arizona bark scorpion is the most medically significant scorpion in North America. Its sting can cause numbness, tingling, and in rare cases mild muscle twitching, particularly in young children, elderly individuals, or people with compromised immune systems. However, severe reactions remain uncommon, and deaths from scorpion stings in the United States are extremely rare, even from the most dangerous species, and are virtually absent when prompt medical care is available. Approximately 8,000 scorpion stings are reported to US poison centers each year, but serious medical outcomes are rare. Scorpions only sting when they feel threatened or are accidentally pressed against the skin. They do not actively hunt people. Understanding this defensive behavior helps you stay safe if you travel to regions where scorpions are found.
How to recognize one
Scorpions have a distinctive and easily recognizable body structure. Adult scorpions typically measure between 2 and 8 inches long, depending on the species. Look for eight jointed legs, two prominent pincers or claws at the front that resemble small lobster claws, and a curved tail held over the back with a stinger at the tip. The body color is usually brown, tan, reddish, or yellowish. The segmented tail with its characteristic curved shape is their most recognizable feature. The body is generally somewhat flattened. Scorpions are entirely different from spiders, which have fangs rather than pincers and lack the curved stinger tail. During the day, scorpions hide in dark protected spaces like woodpiles, under rocks, inside shoes, or in rock crevices. They emerge at night to hunt insects. When exploringIowa wildlife, you will find that the state's actual arthropods have appearances quite different from scorpions.
What to do if you are stung
If you are stung by a scorpion, the most important thing is to remain calm. The vast majority of stings cause only local pain and do not require medical treatment. Wash the sting area immediately with soap and water. Remove any rings or tight bracelets from the affected area to prevent circulation problems if swelling occurs. Elevate the affected limb above heart level if possible and keep it immobilized, as movement increases pain. Apply a cool cloth to the area for comfort, but do not apply ice directly to skin. Over-the-counter pain relievers such as ibuprofen or acetaminophen can help manage discomfort. Most stings resolve completely within 24 hours. If you experience any symptoms beyond local pain and swelling, such as numbness spreading from the sting site, muscle weakness, difficulty swallowing, or breathing difficulty, seek medical attention. This is general information, not medical advice; if you are stung, call Poison Control at 1-800-222-1222, or 911 if symptoms are severe. When in doubt, seek professional medical advice.
How to prevent encounters
Since scorpions do not live in Iowa, prevention efforts focus on what to do if you travel to scorpion-inhabited regions. When packing for travel to the Southwest, shake out all shoes, socks, clothing, and gear before putting them on. Wear closed-toe shoes and long pants when hiking or camping in scorpion territory. Keep a flashlight available when outside at night in those regions, as scorpions are most active after dark and glow faintly under ultraviolet light. Be cautious when moving rocks, logs, or firewood. Never reach into dark spaces without looking first or using a light. When camping, store clothing and bedding in sealed containers or keep them elevated off the ground. Before entering sleeping areas in older buildings, check for scorpions. Seal gaps and cracks in accommodations. If you encounter an insect infestation in your lodging, request a room change, as scorpions are attracted to places with abundant insects. Ourwildlife guidesprovide regional safety information if you plan to travel to the Southwest.
Where in Iowa and when
Scorpions do not occur anywhere in Iowa. Their North American range is limited to warm, arid, and semi-arid regions of the southwestern United States. The primary range includes much of Arizona, New Mexico, southern California, southern Nevada, and southwestern Utah. Additional populations exist in parts of Oklahoma, southern Kansas, southern Arkansas, and extreme south-central Missouri. These arachnids require warm temperatures year-round and cannot survive Iowa's freezing winters, which regularly bring temperatures far below zero. Iowa's geography, including glaciated plains, extensive forests, and numerous waterways, provides a climate entirely too cold and wet for scorpion survival. The state's abundant precipitation, surface water, and severe seasonal temperature swings are incompatible with scorpion biology. From urban areas like Des Moines and Cedar Rapids to rural farm areas and natural areas, Iowa offers no suitable habitat. Learn more aboutwildlife in Iowato understand the actual native and introduced species found throughout the state.
Harmless lookalikes
Iowa has several arthropods that might remind someone of a scorpion, though none cause any sting risk. Wolf spiders, which are large and active hunters found across Iowa, might trigger concern due to their size and movement patterns, but they have no stinger and their body structure is entirely different. Cellar spiders found in dark corners of homes have very long legs relative to body size and might seem unusual, but they are completely harmless. Fishing spiders found near water sometimes appear large or intimidating, but they are entirely harmless. Centipedes found in Iowa have many legs and sometimes appear threatening, but they have an entirely different body structure and no curved stinger tail. Harvestmen, sometimes called daddy longlegs, have thin legs and might seem spider-like, but they bear no resemblance to scorpions. Ground beetles, particularly larger species, might cause momentary concern, but they are unmistakably different insects. If you find any arthropod in Iowa that concerns you, consulting a photo guide or contacting a local pest control professional will quickly confirm it is almost certainly harmless.
Frequently Asked Questions
Are scorpions deadly? No, most North American scorpions are not deadly. Even the Arizona bark scorpion, the most medically significant species, rarely causes death, and deaths are essentially nonexistent when medical care is available. Do scorpion stings happen in Iowa? No, scorpion stings do not occur in Iowa because scorpions do not live in the state. An sting would require an escaped exotic pet, which is extraordinarily rare. What attracts scorpions to a house? In scorpion-prone regions, insects attract scorpions, as these arachnids hunt insects for food. Reducing pest populations and sealing cracks helps in those areas. In Iowa, this is not a practical concern. What should I do if I see one in Iowa? Inform a local wildlife agency or pest control professional, as this would be extremely unusual and worth documenting. If you encounter one while traveling in the Southwest, simply leave it alone and maintain distance. For additional information aboutIowa wildlife, consult state wildlife resources and regional guides.
Plan your scorpion sighting in Iowa
There are no verified scorpion records for Iowa, which fits how uncommon they are here. See the GBIF records.
Where to look in Iowa
- Effigy Mounds National Monument · Wildlife Watching, Birdwatching · Find hotels
- Herbert Hoover National Historic Site · Wildlife Watching, Birdwatching · Find hotels
- Lewis & Clark National Historic Trail · Wildlife Watching · Find hotels
- Mormon Pioneer National Historic Trail · Find hotels
Frequently asked questions
Are they in Iowa?+
Scorpions are not found in Iowa. These arachnids require warm, arid environments and are established only in the southwestern United States, over 1,500 miles away. Iowa's continental climate with cold winters that regularly drop well below freezing and moderate to abundant precipitation throughout the year does not support scorpion populations. Freezing temperatures are lethal to all North American scorpion species, making Iowa's winters inhospitable. The state's geography, including numerous lakes, rivers, and forests, creates humidity levels that scorpions cannot tolerate. Even in more southern states, scorpions are absent or extraordinarily rare. If you encounter something that looks like a scorpion in Iowa, it would almost certainly be a misidentification or an escaped exotic pet from private ownership. For documentation aboutScorpion in Iowa, state wildlife resources confirm that no established populations exist anywhere in Iowa.
How dangerous is it?+
Understanding scorpion danger is useful for travelers visiting regions where these arachnids are established. Most North American scorpion stings cause pain and local swelling similar to a bee or wasp sting. The Arizona bark scorpion is the most medically significant scorpion in North America. Its sting can cause numbness, tingling, and in rare cases mild muscle twitching, particularly in young children, elderly individuals, or people with compromised immune systems. However, severe reactions remain uncommon, and deaths from scorpion stings in the United States are extremely rare, even from the most dangerous species, and are virtually absent when prompt medical care is available. Approximately 8,000 scorpion stings are reported to US poison centers each year, but serious medical outcomes are rare. Scorpions only sting when they feel threatened or are accidentally pressed against the skin. They do not actively hunt people. Understanding this defensive behavior helps you stay safe if you travel to regions where scorpions are found.
More wildlife in Iowa