Barangay Bulilan Sur (Pob.)

Barangay Bulilan Sur (Pob.) is a mid-sized barangay in the municipality of Pila, located in the province of Laguna, in the CALABARZON region of the Philippines.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Bulilan Sur (Pob.) had a population of 3,481. This made it the 7th largest of 17 barangays in Pila by population, placing it in the middle tier of the municipality. Residents of Barangay Bulilan Sur (Pob.) accounted for approximately 6.37% of the total population of Pila, which stood at 54,613 in the same census year.

The barangay recorded 3,340 residents in the 2015 intercensal count and 3,481 residents in the 2020 Census — a net change of +4.2%, consistent with a growing settlement. The Philippine Statistics Authority classifies Barangay Bulilan Sur (Pob.) as urban, reflecting the density and built-up character of the area.

Pila is a municipality comprising 17 barangays, and serves as the governing unit directly responsible for local services in Barangay Bulilan Sur (Pob.), including public health, sanitation, peace and order, and civil registration. Within the wider province of Laguna, which contains 681 barangays across its component cities and municipalities, Barangay Bulilan Sur (Pob.) ranks 251st by 2020 population. Laguna is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Bulilan Sur (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.