Barangay Mabilao

Situated in San Fabian, Pangasinan, Barangay Mabilao is one of 34 barangays that make up the municipality within Ilocos Region.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Mabilao had a population of 2,977. This made it the 11th largest of 34 barangays in San Fabian by population, placing it in the upper half of the municipality. Residents of Barangay Mabilao accounted for approximately 3.41% of the total population of San Fabian, which stood at 87,428 in the same census year.

The barangay recorded 2,713 residents in the 2015 intercensal count and 2,977 residents in the 2020 Census — a net change of +9.7%, consistent with a growing settlement. The Philippine Statistics Authority classifies Barangay Mabilao as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

San Fabian is a municipality comprising 34 barangays, and serves as the governing unit directly responsible for local services in Barangay Mabilao, including public health, sanitation, peace and order, and civil registration. Within the wider province of Pangasinan, which contains 1,364 barangays across its component cities and municipalities, Barangay Mabilao ranks 329th by 2020 population. Pangasinan 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.