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)
Colorado Springs · CO, USA
Two lights going straight up
Thornton · CO, USA
I seen a large black object with twored lights moveing slowly northeast threw the sky.
Aurora · CO, USA
There were 6 red lights in a scattered formation, followed by 4 white lights in a perfect row. No sound/ no blinking lights.
Grand Junction · CO, USA
2 bright orbs of light.
Grand Junction · CO, USA
Cone object with Red and Green lights found near Grand Junction desert.
Boulder · CO, USA
Falling bright green orb, lasted only seconds. Close to foothills. ((NUFORC Note: Possible meteor? PD))
Denver · CO, USA
Bright orange light cruising over Denver!!! The orb went lights out and looked like a giant bubble. Silent too!
Hugo · CO, USA
Star Like Lights
Loveland · CO, USA
The appearance of the object in the sky, its shape and ability to hover; the military jets suggested the gov't saw the object as well.
Greeley · CO, USA
UFO footage.
Niwot/Longmont · CO, USA
6 stationary red/orange orbs seen over Niwot/Longmont area
Idaho Springs to Dumont · CO, USA
I was headed home from work w/ a friend taking us home from Idaho Springs to Dumont, CO. I saw to my left above the mountain rang
Boulder (near) · CO, USA
A tight group of flashbulb-like lights glittering high up in a clear blue sky.
Denver · CO, USA
Small Metallic Disc Sighted in Denver, CO.
Denver · CO, USA
Silver blue metallic spheres with glowing orange centers,under intelligent control./Denver.
Lakewood · CO, USA
Triangular, dimly-lit craft that made no noise and flew slowly.
Englewood · CO, USA
UFO with whirring red, blue, and green light spotted stationary in the sky below orion's belt.
Nunn · CO, USA
Three lights in a triangle that flew off in opposite directions at an amazing speed in Northern Colorado.
Broomfield · CO, USA
Object with four flashing lights swoops over Broomfield houses.
Colorado Springs · CO, USA
Fast moving yellow/green glowing fire ball with comet trail in Colorado Springs, "lands" at Air Force Academy.
Longmont · CO, USA
3 UFOs seen over Longmont Colorado 12/7/12.
Longmont · CO, USA
Lights with spark trails maneuvering over Longmont Colorado.
Longmont · CO, USA
Three dancing, erratically moving sparkling fireballs observed from a short distance.
Longmont · CO, USA
3 Red, Orange & Yellow Fireballs appear in sky to family of 3.
Grand Junction · CO, USA
Multiple UFOs in Junction.