Barangay Del Rosario

Situated in Buenavista, Quezon, Barangay Del Rosario is one of 37 barangays that make up the municipality within CALABARZON.

According to the 2020 Philippine census, Barangay Del Rosario had a population of 676. This made it the 21st largest of 37 barangays in Buenavista by population, placing it in the middle tier of the municipality. Residents of Barangay Del Rosario accounted for approximately 2.17% of the total population of Buenavista, which stood at 31,160 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Del Rosario changed from 672 to 676, a shift of +0.6% over the five-year period. This places the barangay among those with slowly expanding populations in Buenavista. Barangay Del Rosario is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Buenavista is a municipality comprising 37 barangays, and serves as the governing unit directly responsible for local services in Barangay Del Rosario, including public health, sanitation, peace and order, and civil registration. Within the wider province of Quezon, which contains 1,242 barangays across its component cities and municipalities, Barangay Del Rosario ranks 812th by 2020 population. Quezon is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Del 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.