Malolos [maˈlɔlɔs], officially the City of Malolos (Filipino: Lungsod ng Malolos), is a component city and capital of the province of Bulacan, Philippines. According to the 2020 census, it has a population of 261,189 people. [3] It is the capital city of the province of Bulacan as the seat of the provincial government. [5]