Detroit is the angriest city in the country. Of course, with high unemployment, bitter cold temperatures and all those potholes, a lot of us may be getting angry and showing it. But just how did the magazine's editors conclude that Motown is the angriest? Statistically, they calculated the number of aggravated assaults per capita, the number of people with high blood pressure, the amount of time spent in rush hour traffic and the number of anger management specialists. Men's Health: Detroit Angriest City in the U.S.