Barangay Tranca

Classified as a mid-sized barangay, Barangay Tranca is one of the administrative divisions of Bay in Laguna, CALABARZON, Philippines.

According to the 2020 Philippine census, Barangay Tranca had a population of 3,388. This made it the 10th largest of 15 barangays in Bay by population, placing it in the middle tier of the municipality. Residents of Barangay Tranca accounted for approximately 5.04% of the total population of Bay, which stood at 67,182 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Tranca moving from 3,358 residents to 3,388 residents, an intercensal change of +0.9%. The trajectory indicates a slowly expanding community. Barangay Tranca is officially classified as urban, reflecting the density and built-up character of the area.

Bay is a municipality comprising 15 barangays, and serves as the governing unit directly responsible for local services in Barangay Tranca, 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 Tranca ranks 254th 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 Tranca 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.