Racial segregation of American neighborhoods was virtually ubiquitous, especially in the new suburbs, and harder to change than any other aspect of race relations. It reflected a culturally powerful desire of people to have neighbors like themselves—similar in class as well as race. Most of the postwar suburban developments were indeed homogeneous economically, whether stable working-class like the Levittowns, middle-class like much of Park Forest, or upper-middle-class.
