Barangay Biday

Classified as a mid-sized barangay, Barangay Biday is one of the administrative divisions of City of San Fernando in La Union, Ilocos Region, Philippines.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Biday had a population of 4,421. This made it the 6th largest of 59 barangays in City of San Fernando by population, placing it among the most populous barangays of the city. Residents of Barangay Biday accounted for approximately 3.52% of the total population of City of San Fernando, which stood at 125,640 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Biday moving from 3,967 residents to 4,421 residents, an intercensal change of +11.4%. The trajectory indicates a growing community. The Philippine Statistics Authority classifies Barangay Biday as urban, reflecting the density and built-up character of the area.

City of San Fernando is a city comprising 59 barangays, and serves as the governing unit directly responsible for local services in Barangay Biday, 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 Biday ranks 7th 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 Biday 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.