Latinos can be of any race.
In Mexico its even more complicated.
Mexican genetics study reveals huge variation in ancestry: Basis for health differences among Latinos discovered
Date:
June 12, 2014
Source:
University of California, San Francisco
Summary:
In the most comprehensive genetic study of the Mexican population to date, researchers have identified tremendous genetic diversity, reflecting thousands of years of separation among local populations and shedding light on a range of confounding aspects of Latino health
http://www.sciencedaily.com/releases/2014/06/140612142155.htm