Barangay Poblacion I

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

According to the 2020 Philippine census, Barangay Poblacion I had a population of 5,617. This made it the 22nd largest of 59 barangays in City of San Jose Del Monte by population, placing it in the middle tier of the city. Residents of Barangay Poblacion I accounted for approximately 0.86% of the total population of City of San Jose Del Monte, which stood at 651,813 in the same census year.

The barangay recorded 4,445 residents in the 2015 intercensal count and 5,617 residents in the 2020 Census — a net change of +26.4%, consistent with a growing settlement. Barangay Poblacion I is officially classified 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 Poblacion 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 Poblacion I ranks 209th 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.

Like every Philippine barangay, Barangay Poblacion I is led by an elected Punong Barangay (barangay captain) supported by seven Sangguniang Barangay members (kagawads), an SK Chairperson, a Barangay Secretary, and a Barangay Treasurer. The next Barangay and Sangguniang Kabataan Elections (BSKE) are scheduled for Monday, November 2, 2026, with officials serving four-year terms under Republic Act No. 12232.