Barangay Agnonoc

Barangay Agnonoc forms part of Ferrol, a municipality in Romblon, and is classified as a small barangay.

According to the 2020 Philippine census, Barangay Agnonoc had a population of 605. This made it the 6th largest of 6 barangays in Ferrol by population, placing it among the smaller barangays of the municipality. Residents of Barangay Agnonoc accounted for approximately 7.56% of the total population of Ferrol, which stood at 8,005 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Agnonoc moving from 614 residents to 605 residents, an intercensal change of -1.5%. The trajectory indicates a broadly stable community. Barangay Agnonoc is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Ferrol is a municipality comprising 6 barangays, and serves as the governing unit directly responsible for local services in Barangay Agnonoc, including public health, sanitation, peace and order, and civil registration. Within the wider province of Romblon, which contains 219 barangays across its component cities and municipalities, Barangay Agnonoc ranks 181st by 2020 population. Romblon is classified as a 3rd by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Agnonoc 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.