Barangay San Pablo

Barangay San Pablo forms part of Santo Domingo, a municipality in Ilocos Sur, and is classified as a small barangay.

According to the 2020 Philippine census, Barangay San Pablo had a population of 967. This made it the 13th largest of 36 barangays in Santo Domingo by population, placing it in the middle tier of the municipality. Residents of Barangay San Pablo accounted for approximately 3.33% of the total population of Santo Domingo, which stood at 29,041 in the same census year.

The barangay recorded 878 residents in the 2015 intercensal count and 967 residents in the 2020 Census — a net change of +10.1%, consistent with a growing settlement. Barangay San Pablo is officially classified as urban, reflecting the density and built-up character of the area.

Santo Domingo is a municipality comprising 36 barangays, and serves as the governing unit directly responsible for local services in Barangay San Pablo, 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 Pablo ranks 267th 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.

The barangay's legislative and executive affairs are handled by a Punong Barangay and the Sangguniang Barangay, elected nationwide during the Barangay and SK Elections. The next BSKE is scheduled for Monday, November 2, 2026, following the synchronized election schedule set by COMELEC Resolution No. 11191.