Barangay Poblacion Barangay IV

Situated in San Jose, Batangas, Barangay Poblacion Barangay IV is one of 33 barangays that make up the municipality within CALABARZON.

According to the 2020 Philippine census, Barangay Poblacion Barangay IV had a population of 318. This made it the 31st largest of 33 barangays in San Jose by population, placing it among the smaller barangays of the municipality. Residents of Barangay Poblacion Barangay IV accounted for approximately 0.40% of the total population of San Jose, which stood at 79,868 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Poblacion Barangay IV moving from 339 residents to 318 residents, an intercensal change of -6.2%. The trajectory indicates a contracting community. Barangay Poblacion Barangay IV is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

San Jose is a municipality comprising 33 barangays, and serves as the governing unit directly responsible for local services in Barangay Poblacion Barangay IV, including public health, sanitation, peace and order, and civil registration. Within the wider province of Batangas, which contains 1,078 barangays across its component cities and municipalities, Barangay Poblacion Barangay IV ranks 1054th by 2020 population. Batangas is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

The barangay's legislative and executive affairs are handled by a Punong Barangay and the Sangguniang Barangay, elected nationwide during the Barangay and SK Elections. The next BSKE is scheduled for Monday, November 2, 2026, following the synchronized election schedule set by COMELEC Resolution No. 11191.