Barangay Barihay

Barangay Barihay forms part of San Andres, a municipality in Catanduanes, and is classified as a very small barangay.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Barihay had a population of 358. This made it the 34th largest of 38 barangays in San Andres by population, placing it among the smaller barangays of the municipality. Residents of Barangay Barihay accounted for approximately 0.93% of the total population of San Andres, which stood at 38,480 in the same census year.

The barangay recorded 265 residents in the 2015 intercensal count and 358 residents in the 2020 Census — a net change of +35.1%, consistent with a growing settlement. The Philippine Statistics Authority classifies Barangay Barihay as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

San Andres is a municipality comprising 38 barangays, and serves as the governing unit directly responsible for local services in Barangay Barihay, including public health, sanitation, peace and order, and civil registration. Within the wider province of Catanduanes, which contains 315 barangays across its component cities and municipalities, Barangay Barihay ranks 270th by 2020 population. Catanduanes is classified as a 3rd by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Like every Philippine barangay, Barangay Barihay 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.