Barangay San Antonio

Situated in Labo, Camarines Norte, Barangay San Antonio is one of 52 barangays that make up the municipality within Bicol Region.

According to the 2020 Philippine census, Barangay San Antonio had a population of 1,627. This made it the 32nd largest of 52 barangays in Labo by population, placing it in the middle tier of the municipality. Residents of Barangay San Antonio accounted for approximately 1.49% of the total population of Labo, which stood at 109,245 in the same census year.

Census comparisons between 2015 and 2020 show Barangay San Antonio moving from 1,438 residents to 1,627 residents, an intercensal change of +13.1%. The trajectory indicates a growing community. Barangay San Antonio is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Labo is a municipality comprising 52 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 Camarines Norte, which contains 282 barangays across its component cities and municipalities, Barangay San Antonio ranks 157th by 2020 population. Camarines Norte is classified as a 2nd 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.