Barangay Del Rosario (Pob.)

Classified as a mid-sized barangay, Barangay Del Rosario (Pob.) is one of the administrative divisions of Pilar in Bataan, Central Luzon, Philippines.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Del Rosario (Pob.) had a population of 2,647. This made it the 7th largest of 19 barangays in Pilar by population, placing it in the middle tier of the municipality. Residents of Barangay Del Rosario (Pob.) accounted for approximately 5.72% of the total population of Pilar, which stood at 46,239 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Del Rosario (Pob.) moving from 1,847 residents to 2,647 residents, an intercensal change of +43.3%. The trajectory indicates a growing community. The Philippine Statistics Authority classifies Barangay Del Rosario (Pob.) as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Pilar is a municipality comprising 19 barangays, and serves as the governing unit directly responsible for local services in Barangay Del Rosario (Pob.), including public health, sanitation, peace and order, and civil registration. Within the wider province of Bataan, which contains 237 barangays across its component cities and municipalities, Barangay Del Rosario (Pob.) ranks 118th by 2020 population. Bataan 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 Del Rosario (Pob.) 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.