Barangay San Joaquin

Situated in City of Sto. Tomas, Batangas, Barangay San Joaquin is one of 30 barangays that make up the city within CALABARZON.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay San Joaquin had a population of 5,276. This made it the 14th largest of 30 barangays in City of Sto. Tomas by population, placing it in the middle tier of the city. Residents of Barangay San Joaquin accounted for approximately 2.41% of the total population of City of Sto. Tomas, which stood at 218,500 in the same census year.

The barangay recorded 4,417 residents in the 2015 intercensal count and 5,276 residents in the 2020 Census — a net change of +19.4%, consistent with a growing settlement. The Philippine Statistics Authority classifies Barangay San Joaquin 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 San Joaquin, 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 San Joaquin ranks 105th 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 San Joaquin 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.