Barangay Pias

Situated in Mapandan, Pangasinan, Barangay Pias is one of 15 barangays that make up the municipality within Ilocos Region.

According to the 2020 Philippine census, Barangay Pias had a population of 4,699. This made it the 1st largest of 15 barangays in Mapandan by population, placing it among the most populous barangays of the municipality. Residents of Barangay Pias accounted for approximately 12.35% of the total population of Mapandan, which stood at 38,058 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Pias moving from 4,619 residents to 4,699 residents, an intercensal change of +1.7%. The trajectory indicates a slowly expanding community. Barangay Pias is officially classified as urban, reflecting the density and built-up character of the area.

Mapandan is a municipality comprising 15 barangays, and serves as the governing unit directly responsible for local services in Barangay Pias, 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 Pias ranks 97th 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.