Barangay San Agustin

Classified as a small barangay, Barangay San Agustin is one of the administrative divisions of City of Candon in Ilocos Sur, Ilocos Region, Philippines.

According to the 2020 Philippine census, Barangay San Agustin had a population of 1,875. This made it the 11th largest of 42 barangays in City of Candon by population, placing it in the upper half of the city. Residents of Barangay San Agustin accounted for approximately 3.05% 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 Agustin changed from 1,671 to 1,875, a shift of +12.2% over the five-year period. This places the barangay among those with growing populations in City of Candon. Barangay San Agustin 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 Agustin, 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 Agustin ranks 64th 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 Agustin 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.