Barangay Santo Rosario

Barangay Santo Rosario forms part of Anilao, a municipality in Iloilo, and is classified as a small barangay.

According to the 2020 Philippine census, Barangay Santo Rosario had a population of 962. This made it the 16th largest of 21 barangays in Anilao by population, placing it among the smaller barangays of the municipality. Residents of Barangay Santo Rosario accounted for approximately 3.15% of the total population of Anilao, which stood at 30,520 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Santo Rosario changed from 887 to 962, a shift of +8.5% over the five-year period. This places the barangay among those with growing populations in Anilao. Barangay Santo Rosario is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Anilao is a municipality comprising 21 barangays, and serves as the governing unit directly responsible for local services in Barangay Santo Rosario, including public health, sanitation, peace and order, and civil registration. Within the wider province of Iloilo, which contains 1,901 barangays across its component cities and municipalities, Barangay Santo Rosario ranks 793rd by 2020 population. Iloilo is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

The barangay's legislative and executive affairs are handled by a Punong Barangay and the Sangguniang Barangay, elected nationwide during the Barangay and SK Elections. The next BSKE is scheduled for Monday, November 2, 2026, following the synchronized election schedule set by COMELEC Resolution No. 11191.