Barangay Tagbuyacan

Situated in Santiago, Agusan Del Norte, Barangay Tagbuyacan is one of 9 barangays that make up the municipality within Caraga.

According to the 2020 Philippine census, Barangay Tagbuyacan had a population of 2,525. This made it the 6th largest of 9 barangays in Santiago by population, placing it in the middle tier of the municipality. Residents of Barangay Tagbuyacan accounted for approximately 8.81% of the total population of Santiago, which stood at 28,657 in the same census year.

The barangay recorded 2,202 residents in the 2015 intercensal count and 2,525 residents in the 2020 Census — a net change of +14.7%, consistent with a growing settlement. Barangay Tagbuyacan is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Santiago is a municipality comprising 9 barangays, and serves as the governing unit directly responsible for local services in Barangay Tagbuyacan, including public health, sanitation, peace and order, and civil registration. Within the wider province of Agusan Del Norte, which contains 253 barangays across its component cities and municipalities, Barangay Tagbuyacan ranks 57th by 2020 population. Agusan Del Norte is classified as a 3rd by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

The barangay's legislative and executive affairs are handled by a Punong Barangay and the Sangguniang Barangay, elected nationwide during the Barangay and SK Elections. The next BSKE is scheduled for Monday, November 2, 2026, following the synchronized election schedule set by COMELEC Resolution No. 11191.