Barangay Agay-Ayan

Barangay Agay-Ayan forms part of Tinambac, a municipality in Camarines Sur, and is classified as a small barangay.

According to the 2020 Philippine census, Barangay Agay-Ayan had a population of 1,605. This made it the 17th largest of 44 barangays in Tinambac by population, placing it in the middle tier of the municipality. Residents of Barangay Agay-Ayan accounted for approximately 2.29% of the total population of Tinambac, which stood at 70,176 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Agay-Ayan changed from 1,554 to 1,605, a shift of +3.3% over the five-year period. This places the barangay among those with growing populations in Tinambac. Barangay Agay-Ayan is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Tinambac is a municipality comprising 44 barangays, and serves as the governing unit directly responsible for local services in Barangay Agay-Ayan, including public health, sanitation, peace and order, and civil registration. Within the wider province of Camarines Sur, which contains 1,063 barangays across its component cities and municipalities, Barangay Agay-Ayan ranks 479th by 2020 population. Camarines Sur is classified as a 1st 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.