Barangay Santo Niño I

Situated in City of San Jose Del Monte, Bulacan, Barangay Santo Niño I is one of 59 barangays that make up the city within Central Luzon.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Santo Niño I had a population of 2,610. This made it the 50th largest of 59 barangays in City of San Jose Del Monte by population, placing it among the smaller barangays of the city. Residents of Barangay Santo Niño I accounted for approximately 0.40% of the total population of City of San Jose Del Monte, which stood at 651,813 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Santo Niño I moving from 2,770 residents to 2,610 residents, an intercensal change of -5.8%. The trajectory indicates a contracting community. The Philippine Statistics Authority classifies Barangay Santo Niño I as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

City of San Jose Del Monte is a city comprising 59 barangays, and serves as the governing unit directly responsible for local services in Barangay Santo Niño I, including public health, sanitation, peace and order, and civil registration. Within the wider province of Bulacan, which contains 569 barangays across its component cities and municipalities, Barangay Santo Niño I ranks 417th by 2020 population. Bulacan is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Santo Niño I is governed by an elected Sangguniang Barangay composed of a Punong Barangay and seven kagawads, with the Sangguniang Kabataan representing the youth. The next BSKE, set for Monday, November 2, 2026, will elect officials to four-year terms as provided under Republic Act No. 12232.