Barangay Poblacion Barangay 1

Barangay Poblacion Barangay 1 forms part of City of Tanauan, a city in Batangas, and is classified as a small barangay.

According to the 2020 Philippine census, Barangay Poblacion Barangay 1 had a population of 1,975. This made it the 35th largest of 48 barangays in City of Tanauan by population, placing it among the smaller barangays of the city. Residents of Barangay Poblacion Barangay 1 accounted for approximately 1.02% of the total population of City of Tanauan, which stood at 193,936 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Poblacion Barangay 1 changed from 2,139 to 1,975, a shift of -7.7% over the five-year period. This places the barangay among those with contracting populations in City of Tanauan. Barangay Poblacion Barangay 1 is officially classified as urban, reflecting the density and built-up character of the area.

City of Tanauan is a city comprising 48 barangays, and serves as the governing unit directly responsible for local services in Barangay Poblacion Barangay 1, including public health, sanitation, peace and order, and civil registration. Within the wider province of Batangas, which contains 1,078 barangays across its component cities and municipalities, Barangay Poblacion Barangay 1 ranks 551st by 2020 population. Batangas is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Poblacion Barangay 1 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.