Barangay Ganzano

Classified as a small barangay, Barangay Ganzano is one of the administrative divisions of Gattaran in Cagayan, Cagayan Valley, Philippines.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Ganzano had a population of 822. This made it the 34th largest of 50 barangays in Gattaran by population, placing it in the middle tier of the municipality. Residents of Barangay Ganzano accounted for approximately 1.40% of the total population of Gattaran, which stood at 58,874 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Ganzano moving from 720 residents to 822 residents, an intercensal change of +14.2%. The trajectory indicates a growing community. The Philippine Statistics Authority classifies Barangay Ganzano as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Gattaran is a municipality comprising 50 barangays, and serves as the governing unit directly responsible for local services in Barangay Ganzano, 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 Ganzano ranks 594th 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.

Like every Philippine barangay, Barangay Ganzano is led by an elected Punong Barangay (barangay captain) supported by seven Sangguniang Barangay members (kagawads), an SK Chairperson, a Barangay Secretary, and a Barangay Treasurer. The next Barangay and Sangguniang Kabataan Elections (BSKE) are scheduled for Monday, November 2, 2026, with officials serving four-year terms under Republic Act No. 12232.