Barangay Calsib

Barangay Calsib forms part of Aguilar, a municipality in Pangasinan, and is classified as a mid-sized barangay.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Calsib had a population of 2,572. This made it the 10th largest of 16 barangays in Aguilar by population, placing it in the middle tier of the municipality. Residents of Barangay Calsib accounted for approximately 5.70% of the total population of Aguilar, which stood at 45,100 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Calsib moving from 2,609 residents to 2,572 residents, an intercensal change of -1.4%. The trajectory indicates a broadly stable community. The Philippine Statistics Authority classifies Barangay Calsib as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Aguilar is a municipality comprising 16 barangays, and serves as the governing unit directly responsible for local services in Barangay Calsib, 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 Calsib ranks 425th 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.

Barangay Calsib 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.