Barangay Santo Rosario

Situated in Molave, Zamboanga Del Sur, Barangay Santo Rosario is one of 25 barangays that make up the municipality within Zamboanga Peninsula.

According to the 2020 Philippine census, Barangay Santo Rosario had a population of 370. This made it the 25th largest of 25 barangays in Molave by population, placing it among the smaller barangays of the municipality. Residents of Barangay Santo Rosario accounted for approximately 0.70% of the total population of Molave, which stood at 53,140 in the same census year.

The barangay recorded 448 residents in the 2015 intercensal count and 370 residents in the 2020 Census — a net change of -17.4%, consistent with a contracting settlement. Barangay Santo Rosario is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Molave is a municipality comprising 25 barangays, and serves as the governing unit directly responsible for local services in Barangay Santo Rosario, including public health, sanitation, peace and order, and civil registration. Within the wider province of Zamboanga Del Sur, which contains 779 barangays across its component cities and municipalities, Barangay Santo Rosario ranks 663rd by 2020 population. Zamboanga Del Sur is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Santo Rosario 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.