Barangay Pangao-aoan West

Barangay Pangao-aoan West forms part of Aringay, a municipality in La Union, and is classified as a small barangay.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Pangao-aoan West had a population of 1,004. This made it the 23rd largest of 24 barangays in Aringay by population, placing it among the smaller barangays of the municipality. Residents of Barangay Pangao-aoan West accounted for approximately 1.99% of the total population of Aringay, which stood at 50,380 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Pangao-aoan West changed from 969 to 1,004, a shift of +3.6% over the five-year period. This places the barangay among those with growing populations in Aringay. The Philippine Statistics Authority classifies Barangay Pangao-aoan West as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Aringay is a municipality comprising 24 barangays, and serves as the governing unit directly responsible for local services in Barangay Pangao-aoan West, including public health, sanitation, peace and order, and civil registration. Within the wider province of La Union, which contains 576 barangays across its component cities and municipalities, Barangay Pangao-aoan West ranks 350th by 2020 population. La Union is classified as a 1st 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.