Barangay Salao

Classified as a mid-sized barangay, Barangay Salao is one of the administrative divisions of Rosario in Batangas, CALABARZON, Philippines.

According to the 2020 Philippine census, Barangay Salao had a population of 2,135. This made it the 27th largest of 48 barangays in Rosario by population, placing it in the middle tier of the municipality. Residents of Barangay Salao accounted for approximately 1.66% of the total population of Rosario, which stood at 128,352 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Salao moving from 2,303 residents to 2,135 residents, an intercensal change of -7.3%. The trajectory indicates a contracting community. Barangay Salao is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Rosario is a municipality comprising 48 barangays, and serves as the governing unit directly responsible for local services in Barangay Salao, 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 Salao ranks 500th 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 Salao 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.