Barangay B (Pob.)

Situated in Rosario, Batangas, Barangay B (Pob.) is one of 48 barangays that make up the municipality within CALABARZON.

According to the 2020 Philippine census, Barangay B (Pob.) had a population of 1,335. This made it the 40th largest of 48 barangays in Rosario by population, placing it among the smaller barangays of the municipality. Residents of Barangay B (Pob.) accounted for approximately 1.04% of the total population of Rosario, which stood at 128,352 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay B (Pob.) changed from 1,376 to 1,335, a shift of -3.0% over the five-year period. This places the barangay among those with contracting populations in Rosario. Barangay B (Pob.) is officially classified as urban, reflecting the density and built-up character of the area.

Rosario is a municipality comprising 48 barangays, and serves as the governing unit directly responsible for local services in Barangay B (Pob.), including public health, sanitation, peace and order, and civil registration. Within the wider province of Batangas, which contains 1,078 barangays across its component cities and municipalities, Barangay B (Pob.) ranks 757th by 2020 population. Batangas is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay B (Pob.) 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.