Barangay Bayo

Barangay Bayo forms part of Iguig, a municipality in Cagayan, and is classified as a small barangay.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Bayo had a population of 1,764. This made it the 5th largest of 23 barangays in Iguig by population, placing it in the upper half of the municipality. Residents of Barangay Bayo accounted for approximately 5.87% of the total population of Iguig, which stood at 30,060 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Bayo moving from 1,736 residents to 1,764 residents, an intercensal change of +1.6%. The trajectory indicates a slowly expanding community. The Philippine Statistics Authority classifies Barangay Bayo as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Iguig is a municipality comprising 23 barangays, and serves as the governing unit directly responsible for local services in Barangay Bayo, 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 Bayo ranks 247th 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 Bayo 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.