The Three Personalities of America

Olga Khazan
The Three Personalities of America

A few years ago, Jason Rentfrow, a psychologist at the University of Cambridge, dug into a question that has captivated him for decades: Do different places have different personalities? Rentfrow decided to test these questions on a phenomenon that has captivated all of America lately: the rise of Donald Trump. Together with his co-authors, Rentfrow analyzed a set of surveys that had been conducted from 2003 to 2015 in 2,082 U.S. counties—about two-thirds of all the counties in the country.