Barangay 21

Situated in City of Cavite, Cavite, Barangay 21 is one of 84 barangays that make up the city within CALABARZON.

According to the 2020 Philippine census, Barangay 21 had a population of 753. This made it the 57th largest of 84 barangays in City of Cavite by population, placing it in the middle tier of the city. Residents of Barangay 21 accounted for approximately 0.75% 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 21 moving from 539 residents to 753 residents, an intercensal change of +39.7%. The trajectory indicates a growing community. Barangay 21 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 21, 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 21 ranks 755th 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.

Barangay 21 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.