Barangay Tupilac

Situated in Roseller Lim, Zamboanga Sibugay, Barangay Tupilac is one of 26 barangays that make up the municipality within Zamboanga Peninsula.

According to the 2020 Philippine census, Barangay Tupilac had a population of 1,435. This made it the 17th largest of 26 barangays in Roseller Lim by population, placing it in the middle tier of the municipality. Residents of Barangay Tupilac accounted for approximately 3.29% of the total population of Roseller Lim, which stood at 43,575 in the same census year.

The barangay recorded 1,456 residents in the 2015 intercensal count and 1,435 residents in the 2020 Census — a net change of -1.4%, consistent with a broadly stable settlement. Barangay Tupilac is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Roseller Lim is a municipality comprising 26 barangays, and serves as the governing unit directly responsible for local services in Barangay Tupilac, 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 Tupilac ranks 185th 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.

Like every Philippine barangay, Barangay Tupilac 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.