Barangay Zone IV (Pob.)

Situated in Luisiana, Laguna, Barangay Zone IV (Pob.) is one of 23 barangays that make up the municipality within CALABARZON.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Zone IV (Pob.) had a population of 512. This made it the 13th largest of 23 barangays in Luisiana by population, placing it in the middle tier of the municipality. Residents of Barangay Zone IV (Pob.) accounted for approximately 2.45% of the total population of Luisiana, which stood at 20,859 in the same census year.

The barangay recorded 502 residents in the 2015 intercensal count and 512 residents in the 2020 Census — a net change of +2.0%, consistent with a slowly expanding settlement. The Philippine Statistics Authority classifies Barangay Zone IV (Pob.) 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 Zone IV (Pob.), 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 Zone IV (Pob.) ranks 570th 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 Zone IV (Pob.) 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.