Barangay Sabangan

Barangay Sabangan forms part of Santiago, a municipality in Ilocos Sur, and is classified as a small barangay.

According to the 2020 Philippine census, Barangay Sabangan had a population of 1,341. This made it the 4th largest of 24 barangays in Santiago by population, placing it in the upper half of the municipality. Residents of Barangay Sabangan accounted for approximately 6.89% of the total population of Santiago, which stood at 19,471 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Sabangan changed from 1,203 to 1,341, a shift of +11.5% over the five-year period. This places the barangay among those with growing populations in Santiago. Barangay Sabangan is officially classified as urban, reflecting the density and built-up character of the area.

Santiago is a municipality comprising 24 barangays, and serves as the governing unit directly responsible for local services in Barangay Sabangan, 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 Sabangan ranks 140th 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.

Like every Philippine barangay, Barangay Sabangan 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.