Barangay Fabian

Situated in Tambulig, Zamboanga Del Sur, Barangay Fabian is one of 31 barangays that make up the municipality within Zamboanga Peninsula.

According to the 2020 Philippine census, Barangay Fabian had a population of 1,509. This made it the 12th largest of 31 barangays in Tambulig by population, placing it in the middle tier of the municipality. Residents of Barangay Fabian accounted for approximately 4.03% of the total population of Tambulig, which stood at 37,480 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Fabian moving from 1,341 residents to 1,509 residents, an intercensal change of +12.5%. The trajectory indicates a growing community. Barangay Fabian is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Tambulig is a municipality comprising 31 barangays, and serves as the governing unit directly responsible for local services in Barangay Fabian, 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 Fabian ranks 219th 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.

Like every Philippine barangay, Barangay Fabian 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.