Barangay Divisoria

Barangay Divisoria forms part of Santa Maria, 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 Divisoria had a population of 963. This made it the 14th largest of 20 barangays in Santa Maria by population, placing it in the middle tier of the municipality. Residents of Barangay Divisoria accounted for approximately 3.74% of the total population of Santa Maria, which stood at 25,758 in the same census year.

The barangay recorded 963 residents in the 2015 intercensal count and 963 residents in the 2020 Census — a net change of 0.0%, consistent with a broadly stable settlement. 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.

Santa Maria is a municipality comprising 20 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 670th 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.

Like every Philippine barangay, Barangay Divisoria is led by an elected Punong Barangay (barangay captain) supported by seven Sangguniang Barangay members (kagawads), an SK Chairperson, a Barangay Secretary, and a Barangay Treasurer. The next Barangay and Sangguniang Kabataan Elections (BSKE) are scheduled for Monday, November 2, 2026, with officials serving four-year terms under Republic Act No. 12232.