How immigrants are redefining 'American' in Southern California

What is a multiracial city? Southern California has a growing number of them

Photo by Leslie Berestein Rojas/KPCC

Outside a mini-mall in Alhambra, Calif., October 2010

What is a multiracial city? According to researchers at the University of Southern California, these are cities that "have significant populations of at least two and as many as four major racial groups." And Southern California has loads of them, many more than two decades ago.

A new report out today from USC finds that over the past 20 years throughout the region, the percentage of cities fitting this definition of multiracial has been steadily on the rise.

While just over half the cities in Los Angeles, Orange, Riverside, San Bernardino and Ventura counties could be considered multiracial in 1990, more than 61 percent of the cities in the region are now home to two or more of the major racial groups identified in the study: white, black, Latino and Asian/Pacific Islander.

Some of the highlights: