Barangay Gregorio

Barangay Gregorio forms part of City of Trece Martires, a city in Cavite, and is classified as a large barangay.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Gregorio had a population of 5,166. This made it the 12th largest of 13 barangays in City of Trece Martires by population, placing it among the smaller barangays of the city. Residents of Barangay Gregorio accounted for approximately 2.45% 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 Gregorio moving from 4,568 residents to 5,166 residents, an intercensal change of +13.1%. The trajectory indicates a growing community. The Philippine Statistics Authority classifies Barangay Gregorio 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 Gregorio, 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 Gregorio ranks 213th 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 Gregorio 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.