Barangay Wallayan

Barangay Wallayan forms part of Bagulin, a municipality in La Union, and is classified as a small barangay.

According to the 2020 Philippine census, Barangay Wallayan had a population of 1,193. This made it the 6th largest of 10 barangays in Bagulin by population, placing it in the middle tier of the municipality. Residents of Barangay Wallayan accounted for approximately 8.27% of the total population of Bagulin, which stood at 14,428 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Wallayan moving from 1,139 residents to 1,193 residents, an intercensal change of +4.7%. The trajectory indicates a growing community. Barangay Wallayan is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Bagulin is a municipality comprising 10 barangays, and serves as the governing unit directly responsible for local services in Barangay Wallayan, including public health, sanitation, peace and order, and civil registration. Within the wider province of La Union, which contains 576 barangays across its component cities and municipalities, Barangay Wallayan ranks 279th by 2020 population. La Union is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Wallayan 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.