Barangay Dumabato Sur

Barangay Dumabato Sur forms part of Maddela, a municipality in Quirino, and is classified as a small barangay.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Dumabato Sur had a population of 1,461. This made it the 9th largest of 32 barangays in Maddela by population, placing it in the upper half of the municipality. Residents of Barangay Dumabato Sur accounted for approximately 3.57% of the total population of Maddela, which stood at 40,943 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Dumabato Sur changed from 1,422 to 1,461, a shift of +2.7% over the five-year period. This places the barangay among those with growing populations in Maddela. The Philippine Statistics Authority classifies Barangay Dumabato Sur as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Maddela is a municipality comprising 32 barangays, and serves as the governing unit directly responsible for local services in Barangay Dumabato Sur, including public health, sanitation, peace and order, and civil registration. Within the wider province of Quirino, which contains 132 barangays across its component cities and municipalities, Barangay Dumabato Sur ranks 58th by 2020 population. Quirino is classified as a 3rd by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Dumabato Sur is governed by an elected Sangguniang Barangay composed of a Punong Barangay and seven kagawads, with the Sangguniang Kabataan representing the youth. The next BSKE, set for Monday, November 2, 2026, will elect officials to four-year terms as provided under Republic Act No. 12232.