The Rio Grande border county of Starr , Texas , has the highest proportion of Latino residents : 98 percent . U.S. Census Bureau says the minority population has hit six . an estimated 104.6 million in Nearly one residents , or 4.7 million people , are Hispanic . The most Latino county in the nation was Los Angeles , with an estimated 104.6 million people .
U.S. Census Bureau says the minority population has hit six . an estimated 104.6 million in Nearly one residents , or 4.7 million people , are Hispanic . The most Latino county in the nation was Los Angeles , with an estimated 104.6 million people .