Bangui is a fourth class municipality in the province of Ilocos Norte, Philippines. According to the 2015 census, it has a population of 14,672 people. The first power generating windmill farm in Southeast Asia, commonly known as Bangui Wind Farm, is found in the municipality of Bangui. ^ "Region I ". Census of Population : Total Population by Province, City, Municipality and Barangay. PSA. Retrieved 20 June 2016.