Barangay Osorio

Classified as a large barangay, Barangay Osorio is one of the administrative divisions of City of Trece Martires in Cavite, CALABARZON, Philippines.

According to the 2020 Philippine census, Barangay Osorio had a population of 11,032. This made it the 7th largest of 13 barangays in City of Trece Martires by population, placing it in the middle tier of the city. Residents of Barangay Osorio accounted for approximately 5.24% of the total population of City of Trece Martires, which stood at 210,503 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Osorio moving from 9,938 residents to 11,032 residents, an intercensal change of +11.0%. The trajectory indicates a growing community. Barangay Osorio is officially classified as urban, reflecting the density and built-up character of the area.

City of Trece Martires is a city comprising 13 barangays, and serves as the governing unit directly responsible for local services in Barangay Osorio, including public health, sanitation, peace and order, and civil registration. Within the wider province of Cavite, which contains 829 barangays across its component cities and municipalities, Barangay Osorio ranks 93rd by 2020 population. Cavite is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Like every Philippine barangay, Barangay Osorio is led by an elected Punong Barangay (barangay captain) supported by seven Sangguniang Barangay members (kagawads), an SK Chairperson, a Barangay Secretary, and a Barangay Treasurer. The next Barangay and Sangguniang Kabataan Elections (BSKE) are scheduled for Monday, November 2, 2026, with officials serving four-year terms under Republic Act No. 12232.