Barangay 1 (Pob.)

Situated in City of Calamba, Laguna, Barangay 1 (Pob.) is one of 54 barangays that make up the city within CALABARZON.

According to the 2020 Philippine census, Barangay 1 (Pob.) had a population of 5,823. This made it the 31st largest of 54 barangays in City of Calamba by population, placing it in the middle tier of the city. Residents of Barangay 1 (Pob.) accounted for approximately 1.08% of the total population of City of Calamba, which stood at 539,671 in the same census year.

The barangay recorded 5,834 residents in the 2015 intercensal count and 5,823 residents in the 2020 Census — a net change of -0.2%, consistent with a broadly stable settlement. Barangay 1 (Pob.) is officially classified as urban, reflecting the density and built-up character of the area.

City of Calamba is a city comprising 54 barangays, and serves as the governing unit directly responsible for local services in Barangay 1 (Pob.), including public health, sanitation, peace and order, and civil registration. Within the wider province of Laguna, which contains 681 barangays across its component cities and municipalities, Barangay 1 (Pob.) ranks 154th by 2020 population. Laguna is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay 1 (Pob.) 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.