Barangay Del Rosario

Barangay Del Rosario forms part of Ocampo, a municipality in Camarines Sur, and is classified as a small barangay.

According to the 2020 Philippine census, Barangay Del Rosario had a population of 1,942. This made it the 13th largest of 25 barangays in Ocampo by population, placing it in the middle tier of the municipality. Residents of Barangay Del Rosario accounted for approximately 3.80% of the total population of Ocampo, which stood at 51,073 in the same census year.

The barangay recorded 1,781 residents in the 2015 intercensal count and 1,942 residents in the 2020 Census — a net change of +9.0%, consistent with a growing settlement. Barangay Del Rosario is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Ocampo is a municipality comprising 25 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 Camarines Sur, which contains 1,063 barangays across its component cities and municipalities, Barangay Del Rosario ranks 367th by 2020 population. Camarines Sur is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

The barangay's legislative and executive affairs are handled by a Punong Barangay and the Sangguniang Barangay, elected nationwide during the Barangay and SK Elections. The next BSKE is scheduled for Monday, November 2, 2026, following the synchronized election schedule set by COMELEC Resolution No. 11191.