Barangay Baui

Classified as a very small barangay, Barangay Baui is one of the administrative divisions of Angadanan in Isabela, Cagayan Valley, Philippines.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Baui had a population of 372. This made it the 50th largest of 59 barangays in Angadanan by population, placing it among the smaller barangays of the municipality. Residents of Barangay Baui accounted for approximately 0.83% of the total population of Angadanan, which stood at 44,977 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Baui moving from 374 residents to 372 residents, an intercensal change of -0.5%. The trajectory indicates a broadly stable community. The Philippine Statistics Authority classifies Barangay Baui as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Angadanan is a municipality comprising 59 barangays, and serves as the governing unit directly responsible for local services in Barangay Baui, 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 Baui ranks 999th 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 Baui 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.