Barangay San Francisco

Situated in San Manuel, Isabela, Barangay San Francisco is one of 19 barangays that make up the municipality within Cagayan Valley.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay San Francisco had a population of 625. This made it the 17th largest of 19 barangays in San Manuel by population, placing it among the smaller barangays of the municipality. Residents of Barangay San Francisco accounted for approximately 1.83% of the total population of San Manuel, which stood at 34,085 in the same census year.

The barangay recorded 585 residents in the 2015 intercensal count and 625 residents in the 2020 Census — a net change of +6.8%, consistent with a growing settlement. The Philippine Statistics Authority classifies Barangay San Francisco as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

San Manuel is a municipality comprising 19 barangays, and serves as the governing unit directly responsible for local services in Barangay San Francisco, 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 San Francisco ranks 867th 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 San Francisco 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.