Barangay Sering

Classified as a mid-sized barangay, Barangay Sering is one of the administrative divisions of Basilisa in Dinagat Islands, Caraga, Philippines.

According to the 2020 Philippine census, Barangay Sering had a population of 3,184. This made it the 2nd largest of 27 barangays in Basilisa by population, placing it among the most populous barangays of the municipality. Residents of Barangay Sering accounted for approximately 8.63% of the total population of Basilisa, which stood at 36,911 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Sering changed from 3,192 to 3,184, a shift of -0.3% over the five-year period. This places the barangay among those with broadly stable populations in Basilisa. Barangay Sering is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Basilisa is a municipality comprising 27 barangays, and serves as the governing unit directly responsible for local services in Barangay Sering, including public health, sanitation, peace and order, and civil registration. Within the wider province of Dinagat Islands, which contains 100 barangays across its component cities and municipalities, Barangay Sering ranks 5th by 2020 population. Dinagat Islands is classified as a 4th by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Sering 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.