Although we most definitely did not need an official survey to tell us this, New York was just ranked the very worst city for dating across the U.S. Duh, right?. The survey was conducted by researchers from FetishFinder, who collected data on six key factors while analyzing the 20 largest cities in the U.S. The metrics include the population of single people, the likelihood of marriage, the annual divorce rate, the rate of individuals actively searching for a relationship, quality of life and cost of living.