Barangay Santa Catalina

Classified as a small barangay, Barangay Santa Catalina is one of the administrative divisions of Quirino in Isabela, Cagayan Valley, Philippines.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Santa Catalina had a population of 906. This made it the 11th largest of 21 barangays in Quirino by population, placing it in the middle tier of the municipality. Residents of Barangay Santa Catalina accounted for approximately 3.62% of the total population of Quirino, which stood at 25,023 in the same census year.

The barangay recorded 871 residents in the 2015 intercensal count and 906 residents in the 2020 Census — a net change of +4.0%, consistent with a growing settlement. The Philippine Statistics Authority classifies Barangay Santa Catalina as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Quirino is a municipality comprising 21 barangays, and serves as the governing unit directly responsible for local services in Barangay Santa Catalina, 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 Catalina ranks 703rd 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 Santa Catalina 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.