Barangay San Pedro

Situated in Lianga, Surigao Del Sur, Barangay San Pedro is one of 13 barangays that make up the municipality within Caraga.

According to the 2020 Philippine census, Barangay San Pedro had a population of 1,272. This made it the 12th largest of 13 barangays in Lianga by population, placing it among the smaller barangays of the municipality. Residents of Barangay San Pedro accounted for approximately 3.76% of the total population of Lianga, which stood at 33,869 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay San Pedro changed from 1,229 to 1,272, a shift of +3.5% over the five-year period. This places the barangay among those with growing populations in Lianga. Barangay San Pedro is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Lianga is a municipality comprising 13 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 Surigao Del Sur, which contains 309 barangays across its component cities and municipalities, Barangay San Pedro ranks 185th by 2020 population. Surigao Del Sur is classified as a 1st 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.