Barangay San Antonio Poblacion

Barangay San Antonio Poblacion forms part of Calabanga, a municipality in Camarines Sur, and is classified as a small barangay.

According to the 2020 Philippine census, Barangay San Antonio Poblacion had a population of 679. This made it the 43rd largest of 48 barangays in Calabanga by population, placing it among the smaller barangays of the municipality. Residents of Barangay San Antonio Poblacion accounted for approximately 0.76% of the total population of Calabanga, which stood at 88,906 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay San Antonio Poblacion changed from 850 to 679, a shift of -20.1% over the five-year period. This places the barangay among those with contracting populations in Calabanga. Barangay San Antonio Poblacion is officially classified as urban, reflecting the density and built-up character of the area.

Calabanga is a municipality comprising 48 barangays, and serves as the governing unit directly responsible for local services in Barangay San Antonio Poblacion, 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 Poblacion ranks 901st 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 Poblacion 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.