Barangay Santa Rosa

Classified as a mid-sized barangay, Barangay Santa Rosa is one of the administrative divisions of Balangiga in Eastern Samar, Eastern Visayas, Philippines.

According to the 2020 Philippine census, Barangay Santa Rosa had a population of 2,082. This made it the 2nd largest of 13 barangays in Balangiga by population, placing it among the most populous barangays of the municipality. Residents of Barangay Santa Rosa accounted for approximately 14.52% of the total population of Balangiga, which stood at 14,341 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Santa Rosa moving from 1,984 residents to 2,082 residents, an intercensal change of +4.9%. The trajectory indicates a growing community. Barangay Santa Rosa is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Balangiga is a municipality comprising 13 barangays, and serves as the governing unit directly responsible for local services in Barangay Santa Rosa, including public health, sanitation, peace and order, and civil registration. Within the wider province of Eastern Samar, which contains 597 barangays across its component cities and municipalities, Barangay Santa Rosa ranks 33rd by 2020 population. Eastern Samar 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.