Barangay Baay

Barangay Baay forms part of City of Batac, a city in Ilocos Norte, and is classified as a mid-sized barangay.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Baay had a population of 3,241. This made it the 3rd largest of 43 barangays in City of Batac by population, placing it among the most populous barangays of the city. Residents of Barangay Baay accounted for approximately 5.84% of the total population of City of Batac, which stood at 55,484 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Baay moving from 3,075 residents to 3,241 residents, an intercensal change of +5.4%. The trajectory indicates a growing community. The Philippine Statistics Authority classifies Barangay Baay as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

City of Batac is a city comprising 43 barangays, and serves as the governing unit directly responsible for local services in Barangay Baay, including public health, sanitation, peace and order, and civil registration. Within the wider province of Ilocos Norte, which contains 559 barangays across its component cities and municipalities, Barangay Baay ranks 7th by 2020 population. Ilocos Norte is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Baay 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.