Barangay Francisco De Castro

Situated in Gen. Mariano Alvarez, Cavite, Barangay Francisco De Castro is one of 27 barangays that make up the municipality within CALABARZON.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Francisco De Castro had a population of 10,067. This made it the 4th largest of 27 barangays in Gen. Mariano Alvarez by population, placing it in the upper half of the municipality. Residents of Barangay Francisco De Castro accounted for approximately 5.84% of the total population of Gen. Mariano Alvarez, which stood at 172,433 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Francisco De Castro changed from 8,886 to 10,067, a shift of +13.3% over the five-year period. This places the barangay among those with growing populations in Gen. Mariano Alvarez. The Philippine Statistics Authority classifies Barangay Francisco De Castro as urban, reflecting the density and built-up character of the area.

Gen. Mariano Alvarez is a municipality comprising 27 barangays, and serves as the governing unit directly responsible for local services in Barangay Francisco De Castro, 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 Francisco De Castro ranks 103rd 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 Francisco De Castro 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.