Barangay I (Pob.)

Barangay I (Pob.) is a small barangay in the City of Sto. Tomas, located in the province of Batangas, in the CALABARZON region of the Philippines.

According to the 2020 Philippine census, Barangay I (Pob.) had a population of 1,897. This made it the 30th largest of 30 barangays in City of Sto. Tomas by population, placing it among the smaller barangays of the city. Residents of Barangay I (Pob.) accounted for approximately 0.87% of the total population of City of Sto. Tomas, which stood at 218,500 in the same census year.

Census comparisons between 2015 and 2020 show Barangay I (Pob.) moving from 1,846 residents to 1,897 residents, an intercensal change of +2.8%. The trajectory indicates a growing community. Barangay I (Pob.) is officially classified as urban, reflecting the density and built-up character of the area.

City of Sto. Tomas is a city comprising 30 barangays, and serves as the governing unit directly responsible for local services in Barangay I (Pob.), 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 I (Pob.) ranks 576th 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.

Like every Philippine barangay, Barangay I (Pob.) 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.