Barangay Santo Niño

Classified as a small barangay, Barangay Santo Niño is one of the administrative divisions of Biri in Northern Samar, Eastern Visayas, Philippines.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Santo Niño had a population of 1,709. This made it the 3rd largest of 8 barangays in Biri by population, placing it in the upper half of the municipality. Residents of Barangay Santo Niño accounted for approximately 15.16% of the total population of Biri, which stood at 11,274 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Santo Niño moving from 2,000 residents to 1,709 residents, an intercensal change of -14.5%. The trajectory indicates a contracting community. The Philippine Statistics Authority classifies Barangay Santo Niño as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Biri is a municipality comprising 8 barangays, and serves as the governing unit directly responsible for local services in Barangay Santo Niño, 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 Santo Niño ranks 100th 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.

Barangay Santo Niño 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.