Barangay Masagaosao

Barangay Masagaosao is a small barangay in the municipality of Kawayan, located in the province of Biliran, in the Eastern Visayas region of the Philippines.

According to the 2020 Philippine census, Barangay Masagaosao had a population of 793. This made it the 14th largest of 20 barangays in Kawayan by population, placing it in the middle tier of the municipality. Residents of Barangay Masagaosao accounted for approximately 3.88% of the total population of Kawayan, which stood at 20,455 in the same census year.

The barangay recorded 787 residents in the 2015 intercensal count and 793 residents in the 2020 Census — a net change of +0.8%, consistent with a slowly expanding settlement. Barangay Masagaosao is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Kawayan is a municipality comprising 20 barangays, and serves as the governing unit directly responsible for local services in Barangay Masagaosao, including public health, sanitation, peace and order, and civil registration. Within the wider province of Biliran, which contains 132 barangays across its component cities and municipalities, Barangay Masagaosao ranks 91st by 2020 population. Biliran is classified as a 4th by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Like every Philippine barangay, Barangay Masagaosao 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.