Barangay Santo Domingo

Situated in Bambang, Nueva Vizcaya, Barangay Santo Domingo is one of 25 barangays that make up the municipality within Cagayan Valley.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Santo Domingo had a population of 3,129. This made it the 3rd largest of 25 barangays in Bambang by population, placing it among the most populous barangays of the municipality. Residents of Barangay Santo Domingo accounted for approximately 5.61% of the total population of Bambang, which stood at 55,789 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Santo Domingo moving from 3,206 residents to 3,129 residents, an intercensal change of -2.4%. The trajectory indicates a contracting 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.

Bambang is a municipality comprising 25 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 Nueva Vizcaya, which contains 275 barangays across its component cities and municipalities, Barangay Santo Domingo ranks 36th by 2020 population. Nueva Vizcaya is classified as a 2nd 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.