Barangay Bagong Buhay I

Classified as a large barangay, Barangay Bagong Buhay I is one of the administrative divisions of City of San Jose Del Monte in Bulacan, Central Luzon, Philippines.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Bagong Buhay I had a population of 7,264. This made it the 16th largest of 59 barangays in City of San Jose Del Monte by population, placing it in the upper half of the city. Residents of Barangay Bagong Buhay I accounted for approximately 1.11% of the total population of City of San Jose Del Monte, which stood at 651,813 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Bagong Buhay I changed from 7,258 to 7,264, a shift of +0.1% over the five-year period. This places the barangay among those with slowly expanding populations in City of San Jose Del Monte. The Philippine Statistics Authority classifies Barangay Bagong Buhay I as urban, reflecting the density and built-up character of the area.

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 Bagong Buhay 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 Bagong Buhay I ranks 155th 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 Bagong Buhay 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.