There’s a robust Wikipedia page for “Rats in New York City” whose section headings illustrate the cultural impact of the Big Apple’s rodent residents better than we ever could. In short, New York City has been at war with rats for ages, and it’s hard to imagine that any other city is more infested. Chicago, Illinois Los Angeles, California New York City, New York San Francisco, California Washington, D.C. Denver, Colorado Philadelphia, Pennsylvania Detroit, Michigan Baltimore, Maryland Cleveland, Ohio Minneapolis, Minnesota Boston, Massachusetts Hartford, Connecticut Seattle, Washington Indianapolis, Indiana Atlanta, Georgia Columbus, Ohio San Diego, California Milwaukee, Wisconsin Sacramento, California