Barangay Biga I

Classified as a large barangay, Barangay Biga I is one of the administrative divisions of Silang in Cavite, CALABARZON, Philippines.

According to the 2020 Philippine census, Barangay Biga I had a population of 7,639. This made it the 9th largest of 64 barangays in Silang by population, placing it in the upper half of the municipality. Residents of Barangay Biga I accounted for approximately 2.58% of the total population of Silang, which stood at 295,644 in the same census year.

The barangay recorded 6,848 residents in the 2015 intercensal count and 7,639 residents in the 2020 Census — a net change of +11.6%, consistent with a growing settlement. Barangay Biga I is officially classified as urban, reflecting the density and built-up character of the area.

Silang is a municipality comprising 64 barangays, and serves as the governing unit directly responsible for local services in Barangay Biga 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 Biga I ranks 133rd 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.