Barangay Santo Rosario

Barangay Santo Rosario is a large barangay in the municipality of Santo Domingo, located in the province of Nueva Ecija, in the Central Luzon region of the Philippines.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Santo Rosario had a population of 6,275. This made it the 2nd largest of 24 barangays in Santo Domingo by population, placing it among the most populous barangays of the municipality. Residents of Barangay Santo Rosario accounted for approximately 10.27% of the total population of Santo Domingo, which stood at 61,092 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Santo Rosario moving from 6,437 residents to 6,275 residents, an intercensal change of -2.5%. The trajectory indicates a contracting community. The Philippine Statistics Authority classifies Barangay Santo Rosario as urban, reflecting the density and built-up character of the area.

Santo Domingo is a municipality comprising 24 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 Nueva Ecija, which contains 849 barangays across its component cities and municipalities, Barangay Santo Rosario ranks 53rd by 2020 population. Nueva Ecija 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.