Barangay Tanza

Situated in Tuguegarao City, Cagayan, Barangay Tanza is one of 49 barangays that make up the city within Cagayan Valley.

According to the 2020 Philippine census, Barangay Tanza had a population of 5,429. This made it the 8th largest of 49 barangays in Tuguegarao City by population, placing it in the upper half of the city. Residents of Barangay Tanza accounted for approximately 3.26% of the total population of Tuguegarao City, which stood at 166,334 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Tanza moving from 5,665 residents to 5,429 residents, an intercensal change of -4.2%. The trajectory indicates a contracting community. Barangay Tanza is officially classified as urban, reflecting the density and built-up character of the area.

Tuguegarao City is a city comprising 49 barangays, and serves as the governing unit directly responsible for local services in Barangay Tanza, including public health, sanitation, peace and order, and civil registration. Within the wider province of Cagayan, which contains 820 barangays across its component cities and municipalities, Barangay Tanza ranks 14th by 2020 population. Cagayan is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Tanza 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.