Barangay San Luis

Barangay San Luis forms part of Pagsanghan, a municipality in Samar, and is classified as a small barangay.

According to the 2020 Philippine census, Barangay San Luis had a population of 659. This made it the 4th largest of 13 barangays in Pagsanghan by population, placing it in the upper half of the municipality. Residents of Barangay San Luis accounted for approximately 8.28% of the total population of Pagsanghan, which stood at 7,959 in the same census year.

Census comparisons between 2015 and 2020 show Barangay San Luis moving from 758 residents to 659 residents, an intercensal change of -13.1%. The trajectory indicates a contracting community. Barangay San Luis is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Pagsanghan is a municipality comprising 13 barangays, and serves as the governing unit directly responsible for local services in Barangay San Luis, including public health, sanitation, peace and order, and civil registration. Within the wider province of Samar, which contains 951 barangays across its component cities and municipalities, Barangay San Luis ranks 397th by 2020 population. Samar 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 San Luis 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.