Barangay Chanarian

Situated in Basco, Batanes, Barangay Chanarian is one of 6 barangays that make up the municipality within Cagayan Valley.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Chanarian had a population of 448. This made it the 6th largest of 6 barangays in Basco by population, placing it among the smaller barangays of the municipality. Residents of Barangay Chanarian accounted for approximately 4.71% of the total population of Basco, which stood at 9,517 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Chanarian changed from 360 to 448, a shift of +24.4% over the five-year period. This places the barangay among those with growing populations in Basco. The Philippine Statistics Authority classifies Barangay Chanarian as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Basco is a municipality comprising 6 barangays, and serves as the governing unit directly responsible for local services in Barangay Chanarian, including public health, sanitation, peace and order, and civil registration. Within the wider province of Batanes, which contains 29 barangays across its component cities and municipalities, Barangay Chanarian ranks 13th by 2020 population. Batanes is classified as a 5th 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.