Barangay Montaña

Situated in City of Tanauan, Batangas, Barangay Montaña is one of 48 barangays that make up the city within CALABARZON.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Montaña had a population of 1,718. This made it the 38th largest of 48 barangays in City of Tanauan by population, placing it among the smaller barangays of the city. Residents of Barangay Montaña accounted for approximately 0.89% of the total population of City of Tanauan, which stood at 193,936 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Montaña changed from 1,987 to 1,718, a shift of -13.5% over the five-year period. This places the barangay among those with contracting populations in City of Tanauan. The Philippine Statistics Authority classifies Barangay Montaña as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

City of Tanauan is a city comprising 48 barangays, and serves as the governing unit directly responsible for local services in Barangay Montaña, including public health, sanitation, peace and order, and civil registration. Within the wider province of Batangas, which contains 1,078 barangays across its component cities and municipalities, Barangay Montaña ranks 635th by 2020 population. Batangas is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Montaña 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.