Barangay Divisoria

Barangay Divisoria forms part of City of Santiago, a city in Isabela, and is classified as a mid-sized barangay.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Divisoria had a population of 4,214. This made it the 16th largest of 37 barangays in City of Santiago by population, placing it in the middle tier of the city. Residents of Barangay Divisoria accounted for approximately 2.84% of the total population of City of Santiago, which stood at 148,580 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Divisoria changed from 4,373 to 4,214, a shift of -3.6% over the five-year period. This places the barangay among those with contracting populations in City of Santiago. The Philippine Statistics Authority classifies Barangay Divisoria as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

City of Santiago is a city comprising 37 barangays, and serves as the governing unit directly responsible for local services in Barangay Divisoria, 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 Divisoria ranks 49th 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.

Barangay Divisoria 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.