Barangay San Antonio

Situated in Mabitac, Laguna, Barangay San Antonio is one of 15 barangays that make up the municipality within CALABARZON.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay San Antonio had a population of 1,548. This made it the 4th largest of 15 barangays in Mabitac by population, placing it in the upper half of the municipality. Residents of Barangay San Antonio accounted for approximately 7.28% of the total population of Mabitac, which stood at 21,275 in the same census year.

The barangay recorded 1,445 residents in the 2015 intercensal count and 1,548 residents in the 2020 Census — a net change of +7.1%, consistent with a growing settlement. 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.

Mabitac is a municipality comprising 15 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 406th 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.

Like every Philippine barangay, Barangay San Antonio 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.