Density of UFO Sightings by County
In the past 15 years, the Davenport, Wa.-based National UFO Reporting Center has collected over 30,000 reports of UFO sightings through its hotline and Web site. This map visualizes U.S. counties by the number of sightings per capita since the data . Petroleum County, Mont., leads the pack with 682 sightings for every 100,000 residents, followed by San Juan County, Colo., with 541, and Esmeralda County, Nev., with 479. Plenty of counties outside the southwest have high report percentages as well; Clay County, Ga., for example, reports 128 UFOs for every 100,000 people. Individual sightings can be viewed on this map on Slate.
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