Laoag, officially the City of Laoag, is a 3rd class component city and capital of the province of Ilocos Norte, Philippines. According to the 2…Laoag, officially the City of Laoag, is a 3rd class component city and capital of the province of Ilocos Norte, Philippines. According to the 2020 census, it has a population of 111,651 people. It is the province's political, commercial, and industrial hub and the location of Ilocos Region's busiest commercial airport.