Barangay Sumacab South

Classified as a large barangay, Barangay Sumacab South is one of the administrative divisions of City of Cabanatuan in Nueva Ecija, Central Luzon, Philippines.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Sumacab South had a population of 5,776. This made it the 16th largest of 89 barangays in City of Cabanatuan by population, placing it in the upper half of the city. Residents of Barangay Sumacab South accounted for approximately 1.76% of the total population of City of Cabanatuan, which stood at 327,325 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Sumacab South moving from 4,487 residents to 5,776 residents, an intercensal change of +28.7%. The trajectory indicates a growing community. The Philippine Statistics Authority classifies Barangay Sumacab South as urban, reflecting the density and built-up character of the area.

City of Cabanatuan is a city comprising 89 barangays, and serves as the governing unit directly responsible for local services in Barangay Sumacab South, 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 Sumacab South ranks 73rd 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.

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.