Originally Posted by Bladewire

Yes they do vote in our presidential elections idiot

Puerto Rico Primary Results ? 2016 Election

They vote in the primaries, which are a part of our federal elections.

"Like other territories, Puerto Rico can participate in the presidential primary process. It holds a primary election in the spring of each presidential election year. Then the parties choose delegates to the Republican and Democratic National Convention, who are pledged to vote at that convention for the winners of Puerto Rico's primary"

Hillary Clinton wins Puerto Rico Democratic presidential primary - Business Insider