Barangay San Juan

Barangay San Juan forms part of Dumingag, a municipality in Zamboanga Del Sur, and is classified as a very small barangay.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay San Juan had a population of 336. This made it the 44th largest of 44 barangays in Dumingag by population, placing it among the smaller barangays of the municipality. Residents of Barangay San Juan accounted for approximately 0.69% of the total population of Dumingag, which stood at 48,881 in the same census year.

Census comparisons between 2015 and 2020 show Barangay San Juan moving from 275 residents to 336 residents, an intercensal change of +22.2%. The trajectory indicates a growing community. The Philippine Statistics Authority classifies Barangay San Juan as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Dumingag is a municipality comprising 44 barangays, and serves as the governing unit directly responsible for local services in Barangay San Juan, 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 San Juan ranks 671st 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.