Barangay Dulian

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

According to the 2020 Philippine census, Barangay Dulian had a population of 585. This made it the 35th largest of 44 barangays in Dumingag by population, placing it among the smaller barangays of the municipality. Residents of Barangay Dulian accounted for approximately 1.20% of the total population of Dumingag, which stood at 48,881 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Dulian moving from 572 residents to 585 residents, an intercensal change of +2.3%. The trajectory indicates a growing community. Barangay Dulian is officially classified 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 Dulian, 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 Dulian ranks 564th 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 Dulian 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.