Barangay Santo Niño

Situated in Calabanga, Camarines Sur, Barangay Santo Niño is one of 48 barangays that make up the municipality within Bicol Region.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Santo Niño had a population of 675. This made it the 44th largest of 48 barangays in Calabanga by population, placing it among the smaller barangays of the municipality. Residents of Barangay Santo Niño accounted for approximately 0.76% of the total population of Calabanga, which stood at 88,906 in the same census year.

The barangay recorded 665 residents in the 2015 intercensal count and 675 residents in the 2020 Census — a net change of +1.5%, consistent with a slowly expanding settlement. The Philippine Statistics Authority classifies Barangay Santo Niño as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Calabanga is a municipality comprising 48 barangays, and serves as the governing unit directly responsible for local services in Barangay Santo Niño, including public health, sanitation, peace and order, and civil registration. Within the wider province of Camarines Sur, which contains 1,063 barangays across its component cities and municipalities, Barangay Santo Niño ranks 903rd by 2020 population. Camarines Sur 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.