Barangay Tiniente Tiago

Classified as a mid-sized barangay, Barangay Tiniente Tiago is one of the administrative divisions of Gen. Mariano Alvarez in Cavite, CALABARZON, Philippines.

According to the 2020 Philippine census, Barangay Tiniente Tiago had a population of 3,112. This made it the 23rd largest of 27 barangays in Gen. Mariano Alvarez by population, placing it among the smaller barangays of the municipality. Residents of Barangay Tiniente Tiago accounted for approximately 1.80% of the total population of Gen. Mariano Alvarez, which stood at 172,433 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Tiniente Tiago moving from 3,257 residents to 3,112 residents, an intercensal change of -4.5%. The trajectory indicates a contracting community. Barangay Tiniente Tiago is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Gen. Mariano Alvarez is a municipality comprising 27 barangays, and serves as the governing unit directly responsible for local services in Barangay Tiniente Tiago, including public health, sanitation, peace and order, and civil registration. Within the wider province of Cavite, which contains 829 barangays across its component cities and municipalities, Barangay Tiniente Tiago ranks 357th by 2020 population. Cavite is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Tiniente Tiago 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.