https://fism.tv/research-says-…-a-small-set-of-counties/
“When it comes to murder, there are three types of counties in the United States,” Lott writes. “Most counties experience no murders, a smaller set where there are a few murders, and then a tiny set of counties where murders are very common.”
According to Lott’s data, 52% of counties had zero murders in the year 2020. These counties account for 10% of the U.S. population. In addition, 68% of total counties had no more than one murder, accounting for 18% of the U.S. population.
On the other hand, the worst 1% of counties accounted for 42% of total murders in 2020. These counties, focused primarily in urban areas, account for 21% of the total U.S. population.
And the actual research report: https://papers.ssrn.com/sol3/papers.cfm?abstract_id=4325838