New York City may have the highest U.S. population of people but not rats. Chicago has once again been declared the rattiest city in the U.S. according to Orkin's annual ranking. Los Angeles surpassed New York on this year's list now holding the #2 spot and bringing the Big Apple down to #3, Orkin shared. Other notable shifts included Houston, which moved 10 spots up to #20, and Charlotte, North Carolina that rose 16 spots to #21. How ratty is your city? Read more through the link in the bio.