Barangay Poblacion Sur

Classified as a mid-sized barangay, Barangay Poblacion Sur is one of the administrative divisions of Rizal in Nueva Ecija, Central Luzon, Philippines.

According to the 2020 Philippine census, Barangay Poblacion Sur had a population of 3,690. This made it the 7th largest of 26 barangays in Rizal by population, placing it in the upper half of the municipality. Residents of Barangay Poblacion Sur accounted for approximately 5.26% of the total population of Rizal, which stood at 70,196 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Poblacion Sur moving from 3,160 residents to 3,690 residents, an intercensal change of +16.8%. The trajectory indicates a growing community. Barangay Poblacion Sur is officially classified as urban, reflecting the density and built-up character of the area.

Rizal is a municipality comprising 26 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 Nueva Ecija, which contains 849 barangays across its component cities and municipalities, Barangay Poblacion Sur ranks 193rd by 2020 population. Nueva Ecija is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Poblacion Sur 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.