The territory of Busuanga covers the western one-third of Busuanga Island, as well as Calauit Island, which both are part of the Calamian Islands, lying between Mindoro and Palawan Island. According to the 2015 census, it has a population of 22,046 people.
The Busuanga town center, Salvacion, is approximately 50 kilometres from the poblacion of its neighboring municipality of Coron. Travel time is approximately two and a half to three hours by land.
Busuanga is politically subdivided into 16 barangays.
Note: On July 15, 2002, plebiscites held in Culion and Busuanga simultaneously with the election of barangay officials and Sangguniang Kabataan representatives resulted in the ratification of the transfer of Halsey and Burabod to Culion and the creation of Barangay Carabao.
Oral tradition has it, that the entire island of Busuanga was once the realm of a Cuyonon datu named Datu Macanas. The island was once part of the four jurisdictions of Cuyonon datus with the other three being Datu Magbanua who reigned over Cuyo archipelago, Datu Cabaylo who had Taytay and surrounding islands and Datu Cabangon reigning over Paragua island, south of Taytay.
Busuanga was created from the barrios of Concepcion, Salvacion, Busuanga, New Busuanga, Buluang, Quezon, Calawit, and Cheey of the town of Coron in 1950.
Quezon was reinstated as a barangay in 2000.
In the 2015 census, the population of Busuanga was 22,046 people, with a density of 56 inhabitants per square kilometre or 150 inhabitants per square mile.