Barangay Santa Catalina Sur

Barangay Santa Catalina Sur forms part of Candelaria, a municipality in Quezon, and is classified as a large barangay.

According to the 2020 Philippine census, Barangay Santa Catalina Sur had a population of 7,922. This made it the 6th largest of 25 barangays in Candelaria by population, placing it in the upper half of the municipality. Residents of Barangay Santa Catalina Sur accounted for approximately 5.75% of the total population of Candelaria, which stood at 137,881 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Santa Catalina Sur changed from 6,958 to 7,922, a shift of +13.9% over the five-year period. This places the barangay among those with growing populations in Candelaria. Barangay Santa Catalina Sur is officially classified as urban, reflecting the density and built-up character of the area.

Candelaria is a municipality comprising 25 barangays, and serves as the governing unit directly responsible for local services in Barangay Santa Catalina Sur, including public health, sanitation, peace and order, and civil registration. Within the wider province of Quezon, which contains 1,242 barangays across its component cities and municipalities, Barangay Santa Catalina Sur ranks 14th by 2020 population. Quezon 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 Santa Catalina 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.