Rosario, Agusan del Sur

Rosario, officially the Municipality of Rosario (Lungsod sa Rosario; ), is a 2nd class municipality in the province of Agusan del Sur, Philippines. According to the 2020 census, it has a population of 49,610 people.

Rosario was historically part of San Francisco until June 21, 1969, when it became a separate municipality through Republic Act No. 5760. The town was named after its patron saint Nuestra Senora del Rosario.

Geography
According to the Philippine Statistics Authority, the municipality has a land area of 385.05 km2 constituting NaN% of the 9,989.52 km2 total area of Agusan del Sur.

Barangays
Rosario is politically subdivided into 11 barangays. Each barangay consists of puroks while some have sitios.

Demographics
In the 2020 census, Rosario had a population of 49,610. The population density was undefined PD/km2.