Barangay Lumbog

Barangay Lumbog is a mid-sized barangay in the municipality of Margosatubig, located in the province of Zamboanga Del Sur, in the Zamboanga Peninsula region of the Philippines.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Lumbog had a population of 2,454. This made it the 4th largest of 17 barangays in Margosatubig by population, placing it in the upper half of the municipality. Residents of Barangay Lumbog accounted for approximately 6.35% of the total population of Margosatubig, which stood at 38,660 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Lumbog moving from 2,327 residents to 2,454 residents, an intercensal change of +5.5%. The trajectory indicates a growing community. The Philippine Statistics Authority classifies Barangay Lumbog as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Margosatubig is a municipality comprising 17 barangays, and serves as the governing unit directly responsible for local services in Barangay Lumbog, 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 Lumbog ranks 84th 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.