Shape × state153 reports
Formation UFO Sightings in Illinois
153 formation-shaped UFO sightings reported in Illinois since 1946, peaking in 2004 (16 reports).
- Total sightings
- 153
- Span
- 1946–2022
- Peak year
- 2004 (16 reports)
- Dominant shape
- Formation
1946–2022 · peak 2004 (16 reports)
Empty set