Barangay Buenavista

Classified as a mid-sized barangay, Barangay Buenavista is one of the administrative divisions of City of Santiago in Isabela, Cagayan Valley, Philippines.

According to the 2020 Philippine census, Barangay Buenavista had a population of 4,525. This made it the 13th largest of 37 barangays in City of Santiago by population, placing it in the middle tier of the city. Residents of Barangay Buenavista accounted for approximately 3.05% of the total population of City of Santiago, which stood at 148,580 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Buenavista moving from 4,010 residents to 4,525 residents, an intercensal change of +12.8%. The trajectory indicates a growing community. Barangay Buenavista is officially classified as urban, reflecting the density and built-up character of the area.

City of Santiago is a city comprising 37 barangays, and serves as the governing unit directly responsible for local services in Barangay Buenavista, 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 Buenavista ranks 43rd 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 Buenavista 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.