Barangay Calero

Classified as a small barangay, Barangay Calero is one of the administrative divisions of City of Malolos in Bulacan, Central Luzon, Philippines.

According to the 2020 Philippine census, Barangay Calero had a population of 1,316. This made it the 45th largest of 51 barangays in City of Malolos by population, placing it among the smaller barangays of the city. Residents of Barangay Calero accounted for approximately 0.50% of the total population of City of Malolos, which stood at 261,189 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Calero moving from 1,281 residents to 1,316 residents, an intercensal change of +2.7%. The trajectory indicates a growing community. Barangay Calero is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

City of Malolos is a city comprising 51 barangays, and serves as the governing unit directly responsible for local services in Barangay Calero, including public health, sanitation, peace and order, and civil registration. Within the wider province of Bulacan, which contains 569 barangays across its component cities and municipalities, Barangay Calero ranks 543rd by 2020 population. Bulacan is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Calero 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.