Barangay Bucao West

Situated in Tagudin, Ilocos Sur, Barangay Bucao West is one of 43 barangays that make up the municipality within Ilocos Region.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Bucao West had a population of 464. This made it the 37th largest of 43 barangays in Tagudin by population, placing it among the smaller barangays of the municipality. Residents of Barangay Bucao West accounted for approximately 1.12% of the total population of Tagudin, which stood at 41,538 in the same census year.

The barangay recorded 434 residents in the 2015 intercensal count and 464 residents in the 2020 Census — a net change of +6.9%, consistent with a growing settlement. The Philippine Statistics Authority classifies Barangay Bucao West as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Tagudin is a municipality comprising 43 barangays, and serves as the governing unit directly responsible for local services in Barangay Bucao West, including public health, sanitation, peace and order, and civil registration. Within the wider province of Ilocos Sur, which contains 768 barangays across its component cities and municipalities, Barangay Bucao West ranks 603rd by 2020 population. Ilocos Sur is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Bucao West 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.