Barangay Santo Domingo

Situated in Barotac Viejo, Iloilo, Barangay Santo Domingo is one of 26 barangays that make up the municipality within Western Visayas.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Santo Domingo had a population of 1,272. This made it the 20th largest of 26 barangays in Barotac Viejo by population, placing it among the smaller barangays of the municipality. Residents of Barangay Santo Domingo accounted for approximately 2.62% of the total population of Barotac Viejo, which stood at 48,614 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Santo Domingo moving from 1,257 residents to 1,272 residents, an intercensal change of +1.2%. The trajectory indicates a slowly expanding community. The Philippine Statistics Authority classifies Barangay Santo Domingo as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Barotac Viejo is a municipality comprising 26 barangays, and serves as the governing unit directly responsible for local services in Barangay Santo Domingo, 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 Domingo ranks 593rd 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.

Barangay Santo Domingo 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.