Barangay Tamucco

Classified as a small barangay, Barangay Tamucco is one of the administrative divisions of Santo Niño in Cagayan, Cagayan Valley, Philippines.

According to the 2020 Philippine census, Barangay Tamucco had a population of 640. This made it the 21st largest of 31 barangays in Santo Niño by population, placing it in the middle tier of the municipality. Residents of Barangay Tamucco accounted for approximately 2.24% of the total population of Santo Niño, which stood at 28,537 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Tamucco moving from 649 residents to 640 residents, an intercensal change of -1.4%. The trajectory indicates a broadly stable community. Barangay Tamucco is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Santo Niño is a municipality comprising 31 barangays, and serves as the governing unit directly responsible for local services in Barangay Tamucco, 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 Tamucco ranks 675th 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 Tamucco 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.