Barangay Diplo

Barangay Diplo forms part of Kumalarang, a municipality in Zamboanga Del Sur, and is classified as a mid-sized barangay.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Diplo had a population of 3,750. This made it the 2nd largest of 18 barangays in Kumalarang by population, placing it among the most populous barangays of the municipality. Residents of Barangay Diplo accounted for approximately 12.72% of the total population of Kumalarang, which stood at 29,479 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Diplo moving from 3,540 residents to 3,750 residents, an intercensal change of +5.9%. The trajectory indicates a growing community. The Philippine Statistics Authority classifies Barangay Diplo as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Kumalarang is a municipality comprising 18 barangays, and serves as the governing unit directly responsible for local services in Barangay Diplo, 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 Diplo ranks 43rd 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 Diplo 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.