Barangay San Pedro

Classified as a very small barangay, Barangay San Pedro is one of the administrative divisions of Luisiana in Laguna, CALABARZON, Philippines.

According to the 2020 Philippine census, Barangay San Pedro had a population of 277. This made it the 21st largest of 23 barangays in Luisiana by population, placing it among the smaller barangays of the municipality. Residents of Barangay San Pedro accounted for approximately 1.33% of the total population of Luisiana, which stood at 20,859 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay San Pedro changed from 218 to 277, a shift of +27.1% over the five-year period. This places the barangay among those with growing populations in Luisiana. Barangay San Pedro is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Luisiana is a municipality comprising 23 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 Laguna, which contains 681 barangays across its component cities and municipalities, Barangay San Pedro ranks 629th by 2020 population. Laguna 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.