Barangay Poblacion West

Classified as a small barangay, Barangay Poblacion West is one of the administrative divisions of Calasiao in Pangasinan, Ilocos Region, Philippines.

According to the 2020 Philippine census, Barangay Poblacion West had a population of 883. This made it the 24th largest of 24 barangays in Calasiao by population, placing it among the smaller barangays of the municipality. Residents of Barangay Poblacion West accounted for approximately 0.88% of the total population of Calasiao, which stood at 100,471 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Poblacion West moving from 903 residents to 883 residents, an intercensal change of -2.2%. The trajectory indicates a contracting community. Barangay Poblacion West is officially classified as urban, reflecting the density and built-up character of the area.

Calasiao is a municipality comprising 24 barangays, and serves as the governing unit directly responsible for local services in Barangay Poblacion West, 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 Poblacion West ranks 1215th 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 Poblacion West 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.