Barangay San Buenaventura

Barangay San Buenaventura forms part of Luisiana, a municipality in Laguna, and is classified as a small barangay.

According to the 2020 Philippine census, Barangay San Buenaventura had a population of 1,954. This made it the 4th largest of 23 barangays in Luisiana by population, placing it in the upper half of the municipality. Residents of Barangay San Buenaventura accounted for approximately 9.37% of the total population of Luisiana, which stood at 20,859 in the same census year.

Census comparisons between 2015 and 2020 show Barangay San Buenaventura moving from 1,819 residents to 1,954 residents, an intercensal change of +7.4%. The trajectory indicates a growing community. Barangay San Buenaventura 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 Buenaventura, 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 Buenaventura ranks 370th 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 Buenaventura 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.