Barangay San Antonio

Barangay San Antonio forms part of Pila, a municipality in Laguna, and is classified as a mid-sized barangay.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay San Antonio had a population of 3,836. This made it the 5th largest of 17 barangays in Pila by population, placing it in the upper half of the municipality. Residents of Barangay San Antonio accounted for approximately 7.02% of the total population of Pila, which stood at 54,613 in the same census year.

Census comparisons between 2015 and 2020 show Barangay San Antonio moving from 3,443 residents to 3,836 residents, an intercensal change of +11.4%. The trajectory indicates a growing community. The Philippine Statistics Authority classifies Barangay San Antonio as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Pila is a municipality comprising 17 barangays, and serves as the governing unit directly responsible for local services in Barangay San Antonio, 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 San Antonio ranks 227th 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 San Antonio 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.