Barangay Alagao

Barangay Alagao is a mid-sized barangay in the municipality of Bauan, located in the province of Batangas, in the CALABARZON region of the Philippines.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Alagao had a population of 2,505. This made it the 13th largest of 40 barangays in Bauan by population, placing it in the middle tier of the municipality. Residents of Barangay Alagao accounted for approximately 2.76% of the total population of Bauan, which stood at 90,819 in the same census year.

The barangay recorded 2,496 residents in the 2015 intercensal count and 2,505 residents in the 2020 Census — a net change of +0.4%, consistent with a slowly expanding settlement. The Philippine Statistics Authority classifies Barangay Alagao as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Bauan is a municipality comprising 40 barangays, and serves as the governing unit directly responsible for local services in Barangay Alagao, 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 Alagao ranks 387th 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.

Like every Philippine barangay, Barangay Alagao 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.