People in Puerto Rico have only been asked their race on the Census since 2000. Since then, they’ve overwhelmingly marked themselves as white, much more so than Puerto Ricans in the mainland U.S. do. Here’s how it broke down in2010:
Data for "U.S. overall" includes Puerto Ricans in both the commonwealth and the mainland. Asian, Native American and Pacific Islander categories total less than 1% each and are not shown.