Barangay San Luis

Situated in Luisiana, Laguna, Barangay San Luis is one of 23 barangays that make up the municipality within CALABARZON.

According to the 2020 Philippine census, Barangay San Luis had a population of 292. This made it the 20th largest of 23 barangays in Luisiana by population, placing it among the smaller barangays of the municipality. Residents of Barangay San Luis accounted for approximately 1.40% 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 Luis moving from 290 residents to 292 residents, an intercensal change of +0.7%. The trajectory indicates a slowly expanding community. Barangay San Luis 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 Luis, 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 Luis ranks 625th 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 Luis 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.