Barangay Derilon

Barangay Derilon forms part of Banga, a municipality in South Cotabato, and is classified as a small barangay.

According to the 2020 Philippine census, Barangay Derilon had a population of 1,436. This made it the 20th largest of 22 barangays in Banga by population, placing it among the smaller barangays of the municipality. Residents of Barangay Derilon accounted for approximately 1.61% of the total population of Banga, which stood at 89,164 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Derilon moving from 1,132 residents to 1,436 residents, an intercensal change of +26.9%. The trajectory indicates a growing community. Barangay Derilon is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Banga is a municipality comprising 22 barangays, and serves as the governing unit directly responsible for local services in Barangay Derilon, including public health, sanitation, peace and order, and civil registration. Within the wider province of South Cotabato, which contains 225 barangays across its component cities and municipalities, Barangay Derilon ranks 189th by 2020 population. South Cotabato is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

The barangay's legislative and executive affairs are handled by a Punong Barangay and the Sangguniang Barangay, elected nationwide during the Barangay and SK Elections. The next BSKE is scheduled for Monday, November 2, 2026, following the synchronized election schedule set by COMELEC Resolution No. 11191.