Del Carmen is a fifth class municipality on Siargao Island in the province of Surigao del Norte, Philippines. According to the 2015 census, it has a population of 18,392 people. The municipality was formerly called Numancia until 1966 when it was changed to its present name. ^ "Caraga". Census of Population : Total Population by Province, City, Municipality and Barangay. PSA. Retrieved 20 June 2016.