Barangay Sapa IV

Barangay Sapa IV forms part of Rosario, a municipality in Cavite, and is classified as a small barangay.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Sapa IV had a population of 968. This made it the 20th largest of 20 barangays in Rosario by population, placing it among the smaller barangays of the municipality. Residents of Barangay Sapa IV accounted for approximately 0.87% of the total population of Rosario, which stood at 110,807 in the same census year.

The barangay recorded 969 residents in the 2015 intercensal count and 968 residents in the 2020 Census — a net change of -0.1%, consistent with a broadly stable settlement. The Philippine Statistics Authority classifies Barangay Sapa IV as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Rosario is a municipality comprising 20 barangays, and serves as the governing unit directly responsible for local services in Barangay Sapa IV, 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 Sapa IV ranks 722nd 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 Sapa IV 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.