Barangay 51

Situated in City of Cavite, Cavite, Barangay 51 is one of 84 barangays that make up the city within CALABARZON.

According to the 2020 Philippine census, Barangay 51 had a population of 732. This made it the 59th largest of 84 barangays in City of Cavite by population, placing it in the middle tier of the city. Residents of Barangay 51 accounted for approximately 0.73% of the total population of City of Cavite, which stood at 100,674 in the same census year.

Census comparisons between 2015 and 2020 show Barangay 51 moving from 893 residents to 732 residents, an intercensal change of -18.0%. The trajectory indicates a contracting community. Barangay 51 is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

City of Cavite is a city comprising 84 barangays, and serves as the governing unit directly responsible for local services in Barangay 51, 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 51 ranks 759th 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 51 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.