Barangay Santo Rosario

Classified as a mid-sized barangay, Barangay Santo Rosario is one of the administrative divisions of Magallanes in Agusan Del Norte, Caraga, Philippines.

According to the 2020 Philippine census, Barangay Santo Rosario had a population of 2,704. This made it the 4th largest of 8 barangays in Magallanes by population, placing it in the middle tier of the municipality. Residents of Barangay Santo Rosario accounted for approximately 12.13% of the total population of Magallanes, which stood at 22,293 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Santo Rosario moving from 2,764 residents to 2,704 residents, an intercensal change of -2.2%. The trajectory indicates a contracting community. Barangay Santo Rosario is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Magallanes is a municipality comprising 8 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 Agusan Del Norte, which contains 253 barangays across its component cities and municipalities, Barangay Santo Rosario ranks 51st by 2020 population. Agusan Del Norte is classified as a 3rd by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Like every Philippine barangay, Barangay Santo Rosario is led by an elected Punong Barangay (barangay captain) supported by seven Sangguniang Barangay members (kagawads), an SK Chairperson, a Barangay Secretary, and a Barangay Treasurer. The next Barangay and Sangguniang Kabataan Elections (BSKE) are scheduled for Monday, November 2, 2026, with officials serving four-year terms under Republic Act No. 12232.