On this page The answer More official answers Which ones Where in the US Sources Yes.
Wildlife Illinois (IDNR): not native; moved into the southern and south-central part of the state; documented breeding in southern Illinois.
Wildlife Illinois, website authorized by IDNR: “There are documented cases of armadillos successfully breeding in southern Illinois.” Source
How we answer questions
Are there black bears in Illinois? Rarely. Wildlife Illinois (IDNR): no known breeding populations; confirmed sightings of black bears, mountain lions and wolves, all very rare visitors. Wildlife Illinois, website authorized by IDNR
Are there mountain lions in Illinois? Rarely. Wildlife Illinois (IDNR): multiple confirmed sightings of mountain lions, but still very rare visitors; no known breeding population. Wildlife Illinois, website authorized by IDNR
On Illinois's official list Photo: MartinKlippel · CC BY-SA 4.0 · Wikimedia Commons · resized Dasypus novemcinctus
Nonnative
Size Cat-sized: 15-17 in long not counting the tail, 8-17 lb (FWC); 24-32 in including a 9.5-14.5 in tail (UGA). How to recognize it Bony skin plates that form a shell, which make it easy to identify Long scaly tail, deer-like ears, long pig-like snout Tail encased in 12 bony rings; no canine or incisor teeth Where in Illinois In Illinois, it has been found throughout the state, but it probably cannot survive the winter conditions in the northern half of the state. IDNR Full nine-banded armadillo guide
All mammals in the state: Illinois mammals .
Where the nine-banded armadillo lives in the US Texas: on the state's official list Kentucky: on the state's official list Georgia: on the state's official list (nonnative) Missouri: on the state's official list Virginia: on the state's official list (nonnative) Tennessee: on the state's official list Louisiana: on the state's official list Florida: on the state's official list (nonnative) Illinois: on the state's official list (nonnative) Iowa: on the state's official list Nebraska: on the state's official list Arkansas: on the state's official list Mississippi: on the state's official list North Carolina: on the state's official list (nonnative) Oklahoma: on the state's official list Indiana: on the state's official list South Carolina: on the state's official list New Mexico: on an official source Alabama: on the state's official list Kansas: on the state's official list Official presence. 20 states where a state list or official source names it. Gray means no official record in our data, not that it is absent.
Texas: 6 records Tennessee: 4 records Louisiana: 2 records New York: 1 record Florida: 6 records Arkansas: 2 records Mississippi: 1 record South Carolina: 2 records Kansas: 3 records Observation records. Open-licence records on GBIF in 9 states. Records are sightings people shared, not confirmation that a population lives there.
Nine-banded armadillo: identification, range and danger
When mammals are seen in Illinois
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
4,582 records (GBIF, CC0 and CC BY). Other questions about Illinois Sources Report Armadillo Sightings (Wildlife Illinois) . Wildlife Illinois, website authorized by IDNR (project W-147-T). undated page; checked November 3, 2026. Quoted passages (1) “There are documented cases of armadillos successfully breeding in southern Illinois.” Wild About Illinois Wild Mammals: Nine-banded Armadillo . Illinois Department of Natural Resources (IDNR). undated page; checked November 3, 2026. Report Large Carnivore Sightings (Wildlife Illinois) . Wildlife Illinois, website authorized by IDNR (project W-147-T). undated page; checked November 3, 2026. Quoted passages (2) “Today, there are no known breeding populations of these large predators in Illinois, though occasionally individual animals will move through looking for new territory.” “In recent years, there have been multiple confirmed sightings of mountain lions, black bears, and wolves in Illinois. However, these species are all still very rare visitors in the state.” GBIF.org occurrence records, human observations licensed CC0 1.0 or CC BY 4.0 only, accessed November 3, 2026. The datasets behind these counts are listed on our Sources page. 
.jpg){kind=link}