Can You Guess Which U.S. City Has The Most Adultery? Gourmandize Staff, 02/02/2018 Gourmandize shares Share on Facebook Share on Twitter Pin it Share on WhatsApp Share on Google+ 5/6 Previous Next © Unsplash / Joshua K. Jackson New York, New York The Big Apple has certainly lived up to its reputation for sex, money, and greed. New York takes second place on this list with a 40 percent hike in Ashley Madison registrations (let's only hope the stock market follows suit).