Barangay Sinawilan

Situated in Matanao, Davao Del Sur, Barangay Sinawilan is one of 33 barangays that make up the municipality within Davao Region.

According to the 2020 Philippine census, Barangay Sinawilan had a population of 4,940. This made it the 2nd largest of 33 barangays in Matanao by population, placing it among the most populous barangays of the municipality. Residents of Barangay Sinawilan accounted for approximately 8.17% of the total population of Matanao, which stood at 60,493 in the same census year.

The barangay recorded 4,369 residents in the 2015 intercensal count and 4,940 residents in the 2020 Census — a net change of +13.1%, consistent with a growing settlement. Barangay Sinawilan is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Matanao is a municipality comprising 33 barangays, and serves as the governing unit directly responsible for local services in Barangay Sinawilan, including public health, sanitation, peace and order, and civil registration. Within the wider province of Davao Del Sur, which contains 414 barangays across its component cities and municipalities, Barangay Sinawilan ranks 36th by 2020 population. Davao Del Sur is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Like every Philippine barangay, Barangay Sinawilan 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.