 The top ancestry groups in New York State are Italian American (15.8%), African American (14.4%), Mexican (14.2%), Irish (12.9%), German (11.1%), English (6%), and Polish (5.27%).1.5% of the state population is multiracial.New York contains the largest Puerto Rican population in the country, concentrated in parts of New York City such as the Bronx, Brooklyn, and Manhattan.