Chicago Tops List Of Most Rat-Infested Cities For Ninth Consecutive Year

Chicago is at the top of the chart for the Top 50 Rattiest Cities List. The Windy City leads the country for the ninth straight year In the study conducted by pest control company Orkin. Cities were ranked based on the number of new rodent treatments performed from September 2022 to August 2023. Rounding out the top five is Los Angeles at number two followed by New York City, Washington, D.C., and San Francisco.