Barangay Santa Jacinta

Barangay Santa Jacinta forms part of Palanan, a municipality in Isabela, and is classified as a small barangay.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Santa Jacinta had a population of 871. This made it the 11th largest of 17 barangays in Palanan by population, placing it in the middle tier of the municipality. Residents of Barangay Santa Jacinta accounted for approximately 4.93% of the total population of Palanan, which stood at 17,684 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Santa Jacinta moving from 883 residents to 871 residents, an intercensal change of -1.4%. The trajectory indicates a broadly stable community. The Philippine Statistics Authority classifies Barangay Santa Jacinta as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Palanan is a municipality comprising 17 barangays, and serves as the governing unit directly responsible for local services in Barangay Santa Jacinta, including public health, sanitation, peace and order, and civil registration. Within the wider province of Isabela, which contains 1,055 barangays across its component cities and municipalities, Barangay Santa Jacinta ranks 725th by 2020 population. Isabela 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.