Barangay Rosario

Barangay Rosario is a small barangay in the City of Bais, located in the province of Negros Oriental, in the Central Visayas region of the Philippines.

According to the 2020 Philippine census, Barangay Rosario had a population of 576. This made it the 33rd largest of 35 barangays in City of Bais by population, placing it among the smaller barangays of the city. Residents of Barangay Rosario accounted for approximately 0.68% of the total population of City of Bais, which stood at 84,317 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Rosario moving from 274 residents to 576 residents, an intercensal change of +110.2%. The trajectory indicates a growing community. Barangay Rosario is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

City of Bais is a city comprising 35 barangays, and serves as the governing unit directly responsible for local services in Barangay Rosario, including public health, sanitation, peace and order, and civil registration. Within the wider province of Negros Oriental, which contains 557 barangays across its component cities and municipalities, Barangay Rosario ranks 534th by 2020 population. Negros Oriental is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Rosario 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.