Barangay Santo Niño

Barangay Santo Niño forms part of San Isidro, a municipality in Davao Del Norte, and is classified as a small barangay.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Santo Niño had a population of 1,154. This made it the 12th largest of 13 barangays in San Isidro by population, placing it among the smaller barangays of the municipality. Residents of Barangay Santo Niño accounted for approximately 4.24% of the total population of San Isidro, which stood at 27,233 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Santo Niño moving from 1,178 residents to 1,154 residents, an intercensal change of -2.0%. The trajectory indicates a contracting community. 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.

San Isidro is a municipality comprising 13 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 Davao Del Norte, which contains 223 barangays across its component cities and municipalities, Barangay Santo Niño ranks 209th by 2020 population. Davao Del Norte 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.