UFO Sightings in Colorado
3,016 UFO sightings reported in Colorado since 1931, peaking in 2020 (226 reports); most often described as light.
- Total sightings
- 3,016
- Span
- 1931–2022
- Peak year
- 2020 (226 reports)
- Dominant shape
- Light
1931–2022 · peak 2020 (226 reports)
Top cities in Colorado
Denver
1954–2022 · peak 2014 (27 reports)
Colorado Springs
1956–2022 · peak 2014 (25 reports)
Fort Collins
1963–2021 · peak 2018 (14 reports)
Boulder
1969–2021 · peak 2013 (9 reports)
Aurora
1962–2021 · peak 2016 (10 reports)
Grand Junction
1989–2022 · peak 2020 (29 reports)
Longmont
1978–2021 · peak 2013 (10 reports)
Littleton
1965–2022 · peak 2002 (7 reports)
Pueblo
1995–2021 · peak 2020 (12 reports)
Lakewood
1969–2022 · peak 2014 (7 reports)
Loveland
1988–2022 · peak 2005 (6 reports)
Arvada
1959–2021 · peak 2016 (8 reports)
Westminster
1971–2021 · peak 2013 (5 reports)
Greeley
1998–2021 · peak 2016 (11 reports)
Thornton
1997–2021 · peak 2015 (5 reports)
Englewood
2001–2020 · peak 2004 (7 reports)
Estes Park
1954–2021 · peak 2019 (12 reports)
Highlands Ranch
1998–2022 · peak 2013 (4 reports)
Golden
1975–2020 · peak 2017 (4 reports)
Broomfield
1998–2020 · peak 2016 (5 reports)
Boulder · CO, USA
Bright lights hovering very low and changing colors.
Aurora · CO, USA
Group of faint red lights flying in a boomerang formation very high and quiet
Highlands Ranch · CO, USA
triangle with one spot on each corner and one big one in the middle.
Centennial · CO, USA
We saw five oval shaped objects streak across the sky on November 20, 2001. They flew across the sky one by one as if chasing each othe
Littleton · CO, USA
Black Triangle near downtown Littleton,CO
Golden · CO, USA
Blinking object entering atmosphere.
South Fork · CO, USA
Shinny Cigar shape in sky on clear day.
Denver · CO, USA
Odd Lights in Colorado Sky
Denver · CO, USA
As I was driving in my car on the way home from work, I stopped at the red light turning west on Colfax Avenue. I was on the intersect
Aurora · CO, USA
6 crescent shapes in the sky southeast of denver
Denver · CO, USA
Bright sphere in sky, completely stationary, then disappeared
Denver · CO, USA
Silver ball moving in Denver sky
Lakewood · CO, USA
orange-yellow glow balls, This sight doesn't give you the information. None of the below options really apply.
Denver · CO, USA
taking pictures of blue moon. of 5 pictures it was it was there long enough for only 1. the 3rd pic. i took
Arvada · CO, USA
Bright oval/diamond shape object white and red lights.
Highlands Ranch · CO, USA
Fast High altitude V Formation over Colorado day before 9/11 attacks
Denver · CO, USA
Odd movement in the Denver sky
Lakewood · CO, USA
While at work on 9/20/01, I was just closing up the store and as the last of the customers had just left so I could lock the door, they
Daniel's Park · CO, USA
UFO seen over Daniel’s Park Southwest of Denver Colorado
Daniel's Park · CO, USA
Something Fallowed my brother, then flew right over us!
Pueblo · CO, USA
Multiple UFO sightings in Pueblo 09/22/01
Daniel's Park · CO, USA
I talked to witnesses that watched a big red UFO fallow Stan Romanek’s Van
Daniel's Park · CO, USA
A UFO fly’s over us, after it stock’s are friend Stan Romanek.
Daniel's Park · CO, USA
Big Red thing Fallowing my Van!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Livermore · CO, USA
Pulsating Glowing Sphere