Barangay San Luis I

Situated in City of Dasmariñas, Cavite, Barangay San Luis I is one of 75 barangays that make up the city within CALABARZON.

According to the 2020 Philippine census, Barangay San Luis I had a population of 3,963. This made it the 48th largest of 75 barangays in City of Dasmariñas by population, placing it in the middle tier of the city. Residents of Barangay San Luis I accounted for approximately 0.56% of the total population of City of Dasmariñas, which stood at 703,141 in the same census year.

The barangay recorded 3,921 residents in the 2015 intercensal count and 3,963 residents in the 2020 Census — a net change of +1.1%, consistent with a slowly expanding settlement. Barangay San Luis I is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

City of Dasmariñas is a city comprising 75 barangays, and serves as the governing unit directly responsible for local services in Barangay San Luis I, 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 San Luis I ranks 289th 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.

The barangay's legislative and executive affairs are handled by a Punong Barangay and the Sangguniang Barangay, elected nationwide during the Barangay and SK Elections. The next BSKE is scheduled for Monday, November 2, 2026, following the synchronized election schedule set by COMELEC Resolution No. 11191.