Barangay San Antonio (Pob.)

Barangay San Antonio (Pob.) forms part of Pili, a municipality in Camarines Sur, and is classified as a small barangay.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay San Antonio (Pob.) had a population of 1,339. This made it the 24th largest of 26 barangays in Pili by population, placing it among the smaller barangays of the municipality. Residents of Barangay San Antonio (Pob.) accounted for approximately 1.35% of the total population of Pili, which stood at 99,196 in the same census year.

Census comparisons between 2015 and 2020 show Barangay San Antonio (Pob.) moving from 1,402 residents to 1,339 residents, an intercensal change of -4.5%. The trajectory indicates a contracting community. The Philippine Statistics Authority classifies Barangay San Antonio (Pob.) as urban, reflecting the density and built-up character of the area.

Pili is a municipality comprising 26 barangays, and serves as the governing unit directly responsible for local services in Barangay San Antonio (Pob.), including public health, sanitation, peace and order, and civil registration. Within the wider province of Camarines Sur, which contains 1,063 barangays across its component cities and municipalities, Barangay San Antonio (Pob.) ranks 579th by 2020 population. Camarines Sur 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 (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.