Barangay Del Sur (Pob.)

Classified as a small barangay, Barangay Del Sur (Pob.) is one of the administrative divisions of Mapanas in Northern Samar, Eastern Visayas, Philippines.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Del Sur (Pob.) had a population of 696. This made it the 8th largest of 13 barangays in Mapanas by population, placing it in the middle tier of the municipality. Residents of Barangay Del Sur (Pob.) accounted for approximately 4.89% of the total population of Mapanas, which stood at 14,234 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Del Sur (Pob.) moving from 747 residents to 696 residents, an intercensal change of -6.8%. The trajectory indicates a contracting community. The Philippine Statistics Authority classifies Barangay Del Sur (Pob.) as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Mapanas is a municipality comprising 13 barangays, and serves as the governing unit directly responsible for local services in Barangay Del Sur (Pob.), including public health, sanitation, peace and order, and civil registration. Within the wider province of Northern Samar, which contains 569 barangays across its component cities and municipalities, Barangay Del Sur (Pob.) ranks 328th by 2020 population. Northern Samar is classified as a 2nd 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.