Barangay Sinusayan

Situated in Malangas, Zamboanga Sibugay, Barangay Sinusayan is one of 25 barangays that make up the municipality within Zamboanga Peninsula.

According to the 2020 Philippine census, Barangay Sinusayan had a population of 718. This made it the 14th largest of 25 barangays in Malangas by population, placing it in the middle tier of the municipality. Residents of Barangay Sinusayan accounted for approximately 2.24% of the total population of Malangas, which stood at 32,022 in the same census year.

The barangay recorded 771 residents in the 2015 intercensal count and 718 residents in the 2020 Census — a net change of -6.9%, consistent with a contracting settlement. Barangay Sinusayan is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Malangas is a municipality comprising 25 barangays, and serves as the governing unit directly responsible for local services in Barangay Sinusayan, including public health, sanitation, peace and order, and civil registration. Within the wider province of Zamboanga Sibugay, which contains 389 barangays across its component cities and municipalities, Barangay Sinusayan ranks 327th by 2020 population. Zamboanga Sibugay is classified as a 2nd by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Sinusayan 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.