Barangay Mostro

Situated in Anilao, Iloilo, Barangay Mostro is one of 21 barangays that make up the municipality within Western Visayas.

According to the 2020 Philippine census, Barangay Mostro had a population of 2,103. This made it the 5th largest of 21 barangays in Anilao by population, placing it in the upper half of the municipality. Residents of Barangay Mostro accounted for approximately 6.89% of the total population of Anilao, which stood at 30,520 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Mostro moving from 1,930 residents to 2,103 residents, an intercensal change of +9.0%. The trajectory indicates a growing community. Barangay Mostro 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 Mostro, 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 Mostro ranks 239th 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.