Enigma users have submitted 647 sightings in Illinois. Combined with publicly available sources, we have 7707 total sightings in Illinois. Cities with the most sightings in this region (within a 5,000 meter radius from the city center) are Chicago (858), Rockford (187), Joliet (83), Geneva (80), and Bloomington (80). To search by city or country, download the app and open the map.