Barangay Cuatro-cuatro

Classified as a small barangay, Barangay Cuatro-cuatro is one of the administrative divisions of Dumalinao in Zamboanga Del Sur, Zamboanga Peninsula, Philippines.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Cuatro-cuatro had a population of 522. This made it the 27th largest of 30 barangays in Dumalinao by population, placing it among the smaller barangays of the municipality. Residents of Barangay Cuatro-cuatro accounted for approximately 1.59% of the total population of Dumalinao, which stood at 32,928 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Cuatro-cuatro moving from 442 residents to 522 residents, an intercensal change of +18.1%. The trajectory indicates a growing community. The Philippine Statistics Authority classifies Barangay Cuatro-cuatro as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Dumalinao is a municipality comprising 30 barangays, and serves as the governing unit directly responsible for local services in Barangay Cuatro-cuatro, including public health, sanitation, peace and order, and civil registration. Within the wider province of Zamboanga Del Sur, which contains 779 barangays across its component cities and municipalities, Barangay Cuatro-cuatro ranks 590th by 2020 population. Zamboanga Del Sur 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.