Governor Ricardo Rosselló's leaked text conversations with members of his administration revealed sexist, profane and homophobic comments.
Protests began after the Center for Investigative Journalism published over 800 pages of texts on Saturday.
Mr Rosselló, who is up for re-election in 2020, has said he will not resign.
The governor of the US commonwealth, who leads the New Progressive Party, said in a radio interview that he might re-think his re-election bid next year, NBC News reported.
Local lawmakers, activists and advocacy groups have called on Mr Rosselló to resign over the messages, which some say has damaged Puerto Rico's reputation.
Secretary of State Luis Rivera Marin and Chief Financial Officer Christian Sobrino, two officials involved in the chat, resigned over the weekend.
The secretaries of the interior and public affairs, along with the former finance secretary, the governor's legal adviser and several non-public officials were other participants.
Read More (...)