Barangay Poblacion Sur

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

According to the 2020 Philippine census, Barangay Poblacion Sur had a population of 1,172. This made it the 58th largest of 77 barangays in Bayambang by population, placing it among the smaller barangays of the municipality. Residents of Barangay Poblacion Sur accounted for approximately 0.91% of the total population of Bayambang, which stood at 129,011 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Poblacion Sur moving from 1,219 residents to 1,172 residents, an intercensal change of -3.9%. The trajectory indicates a contracting community. Barangay Poblacion Sur is officially classified as urban, reflecting the density and built-up character of the area.

Bayambang is a municipality comprising 77 barangays, and serves as the governing unit directly responsible for local services in Barangay Poblacion Sur, 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 Sur ranks 1084th 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.