Barangay Kayan West

Barangay Kayan West is a small barangay in the municipality of Tadian, located in the province of Mountain Province, in the CAR region of the Philippines.

According to the 2020 Philippine census, Barangay Kayan West had a population of 816. This made it the 11th largest of 19 barangays in Tadian by population, placing it in the middle tier of the municipality. Residents of Barangay Kayan West accounted for approximately 4.22% of the total population of Tadian, which stood at 19,341 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Kayan West moving from 786 residents to 816 residents, an intercensal change of +3.8%. The trajectory indicates a growing community. Barangay Kayan West is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Tadian is a municipality comprising 19 barangays, and serves as the governing unit directly responsible for local services in Barangay Kayan West, including public health, sanitation, peace and order, and civil registration. Within the wider province of Mountain Province, which contains 144 barangays across its component cities and municipalities, Barangay Kayan West ranks 70th by 2020 population. Mountain Province is classified as a 4th 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.