Barangay Osang

Situated in Catubig, Northern Samar, Barangay Osang is one of 47 barangays that make up the municipality within Eastern Visayas.

According to the 2020 Philippine census, Barangay Osang had a population of 348. This made it the 36th largest of 47 barangays in Catubig by population, placing it among the smaller barangays of the municipality. Residents of Barangay Osang accounted for approximately 1.08% of the total population of Catubig, which stood at 32,174 in the same census year.

The barangay recorded 362 residents in the 2015 intercensal count and 348 residents in the 2020 Census — a net change of -3.9%, consistent with a contracting settlement. Barangay Osang is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Catubig is a municipality comprising 47 barangays, and serves as the governing unit directly responsible for local services in Barangay Osang, 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 Osang ranks 502nd 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.

Like every Philippine barangay, Barangay Osang is led by an elected Punong Barangay (barangay captain) supported by seven Sangguniang Barangay members (kagawads), an SK Chairperson, a Barangay Secretary, and a Barangay Treasurer. The next Barangay and Sangguniang Kabataan Elections (BSKE) are scheduled for Monday, November 2, 2026, with officials serving four-year terms under Republic Act No. 12232.