Barangay Marcos (Pob.)

Situated in Santa, Ilocos Sur, Barangay Marcos (Pob.) is one of 26 barangays that make up the municipality within Ilocos Region.

According to the 2020 Philippine census, Barangay Marcos (Pob.) had a population of 480. This made it the 17th largest of 26 barangays in Santa by population, placing it in the middle tier of the municipality. Residents of Barangay Marcos (Pob.) accounted for approximately 3.20% of the total population of Santa, which stood at 14,992 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Marcos (Pob.) moving from 588 residents to 480 residents, an intercensal change of -18.4%. The trajectory indicates a contracting community. Barangay Marcos (Pob.) is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Santa is a municipality comprising 26 barangays, and serves as the governing unit directly responsible for local services in Barangay Marcos (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 Marcos (Pob.) ranks 594th 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 Marcos (Pob.) 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.