Barangay San Lorenzo Ruiz I

Barangay San Lorenzo Ruiz I forms part of City of Dasmariñas, a city in Cavite, and is classified as a mid-sized barangay.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay San Lorenzo Ruiz I had a population of 3,311. This made it the 58th largest of 75 barangays in City of Dasmariñas by population, placing it among the smaller barangays of the city. Residents of Barangay San Lorenzo Ruiz I accounted for approximately 0.47% of the total population of City of Dasmariñas, which stood at 703,141 in the same census year.

The barangay recorded 3,190 residents in the 2015 intercensal count and 3,311 residents in the 2020 Census — a net change of +3.8%, consistent with a growing settlement. The Philippine Statistics Authority classifies Barangay San Lorenzo Ruiz I 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 Lorenzo Ruiz 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 Lorenzo Ruiz I ranks 342nd 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.