Barangay Campiyak

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

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Campiyak had a population of 738. This made it the 5th largest of 14 barangays in San Sebastian by population, placing it in the upper half of the municipality. Residents of Barangay Campiyak accounted for approximately 8.48% of the total population of San Sebastian, which stood at 8,704 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Campiyak changed from 703 to 738, a shift of +5.0% over the five-year period. This places the barangay among those with growing populations in San Sebastian. The Philippine Statistics Authority classifies Barangay Campiyak 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 Campiyak, 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 Campiyak ranks 347th 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 Campiyak 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.