Barangay San Pedro

Barangay San Pedro 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 San Pedro had a population of 1,231. This made it the 12th largest of 32 barangays in Maddela by population, placing it in the middle tier of the municipality. Residents of Barangay San Pedro accounted for approximately 3.01% of the total population of Maddela, which stood at 40,943 in the same census year.

Census comparisons between 2015 and 2020 show Barangay San Pedro moving from 1,133 residents to 1,231 residents, an intercensal change of +8.6%. The trajectory indicates a growing community. The Philippine Statistics Authority classifies Barangay San Pedro 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 San Pedro, 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 San Pedro ranks 69th 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 San Pedro 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.