Barangay Poblacion Barangay 4

Barangay Poblacion Barangay 4 forms part of San Sebastian, a municipality in Samar, and is classified as a small barangay.

According to the 2020 Philippine census, Barangay Poblacion Barangay 4 had a population of 742. This made it the 4th largest of 14 barangays in San Sebastian by population, placing it in the upper half of the municipality. Residents of Barangay Poblacion Barangay 4 accounted for approximately 8.52% of the total population of San Sebastian, which stood at 8,704 in the same census year.

The barangay recorded 726 residents in the 2015 intercensal count and 742 residents in the 2020 Census — a net change of +2.2%, consistent with a growing settlement. Barangay Poblacion Barangay 4 is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

San Sebastian is a municipality comprising 14 barangays, and serves as the governing unit directly responsible for local services in Barangay Poblacion Barangay 4, including public health, sanitation, peace and order, and civil registration. Within the wider province of Samar, which contains 951 barangays across its component cities and municipalities, Barangay Poblacion Barangay 4 ranks 346th by 2020 population. Samar is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Poblacion Barangay 4 is governed by an elected Sangguniang Barangay composed of a Punong Barangay and seven kagawads, with the Sangguniang Kabataan representing the youth. The next BSKE, set for Monday, November 2, 2026, will elect officials to four-year terms as provided under Republic Act No. 12232.