Barangay San Antonio (Pob.)

Situated in City of Candon, Ilocos Sur, Barangay San Antonio (Pob.) is one of 42 barangays that make up the city within Ilocos Region.

According to the 2020 Philippine census, Barangay San Antonio (Pob.) had a population of 1,006. This made it the 27th largest of 42 barangays in City of Candon by population, placing it in the middle tier of the city. Residents of Barangay San Antonio (Pob.) accounted for approximately 1.64% of the total population of City of Candon, which stood at 61,432 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay San Antonio (Pob.) changed from 1,090 to 1,006, a shift of -7.7% over the five-year period. This places the barangay among those with contracting populations in City of Candon. Barangay San Antonio (Pob.) is officially classified as urban, reflecting the density and built-up character of the area.

City of Candon is a city comprising 42 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 Ilocos Sur, which contains 768 barangays across its component cities and municipalities, Barangay San Antonio (Pob.) ranks 245th by 2020 population. Ilocos Sur 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 (Pob.) 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.