Barangay Calero (Pob.)

Barangay Calero (Pob.) forms part of City of Calapan, a city in Oriental Mindoro, and is classified as a small barangay.

According to the 2020 Philippine census, Barangay Calero (Pob.) had a population of 1,439. This made it the 40th largest of 62 barangays in City of Calapan by population, placing it in the middle tier of the city. Residents of Barangay Calero (Pob.) accounted for approximately 0.99% of the total population of City of Calapan, which stood at 145,786 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Calero (Pob.) moving from 1,478 residents to 1,439 residents, an intercensal change of -2.6%. The trajectory indicates a contracting community. Barangay Calero (Pob.) is officially classified as urban, reflecting the density and built-up character of the area.

City of Calapan is a city comprising 62 barangays, and serves as the governing unit directly responsible for local services in Barangay Calero (Pob.), including public health, sanitation, peace and order, and civil registration. Within the wider province of Oriental Mindoro, which contains 426 barangays across its component cities and municipalities, Barangay Calero (Pob.) ranks 274th by 2020 population. Oriental Mindoro is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Calero (Pob.) 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.