Barangay San Pablo Sur

Situated in Santa Cruz, Laguna, Barangay San Pablo Sur is one of 26 barangays that make up the municipality within CALABARZON.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay San Pablo Sur had a population of 3,200. This made it the 16th largest of 26 barangays in Santa Cruz by population, placing it in the middle tier of the municipality. Residents of Barangay San Pablo Sur accounted for approximately 2.59% of the total population of Santa Cruz, which stood at 123,574 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay San Pablo Sur changed from 3,610 to 3,200, a shift of -11.4% over the five-year period. This places the barangay among those with contracting populations in Santa Cruz. The Philippine Statistics Authority classifies Barangay San Pablo Sur as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Santa Cruz is a municipality comprising 26 barangays, and serves as the governing unit directly responsible for local services in Barangay San Pablo Sur, including public health, sanitation, peace and order, and civil registration. Within the wider province of Laguna, which contains 681 barangays across its component cities and municipalities, Barangay San Pablo Sur ranks 266th by 2020 population. Laguna is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Like every Philippine barangay, Barangay San Pablo Sur is led by an elected Punong Barangay (barangay captain) supported by seven Sangguniang Barangay members (kagawads), an SK Chairperson, a Barangay Secretary, and a Barangay Treasurer. The next Barangay and Sangguniang Kabataan Elections (BSKE) are scheduled for Monday, November 2, 2026, with officials serving four-year terms under Republic Act No. 12232.