Barangay Masaya

Barangay Masaya forms part of Bay, a municipality in Laguna, and is classified as a large barangay.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Masaya had a population of 5,936. This made it the 4th largest of 15 barangays in Bay by population, placing it in the upper half of the municipality. Residents of Barangay Masaya accounted for approximately 8.84% of the total population of Bay, which stood at 67,182 in the same census year.

The barangay recorded 5,694 residents in the 2015 intercensal count and 5,936 residents in the 2020 Census — a net change of +4.3%, consistent with a growing settlement. The Philippine Statistics Authority classifies Barangay Masaya as urban, reflecting the density and built-up character of the area.

Bay is a municipality comprising 15 barangays, and serves as the governing unit directly responsible for local services in Barangay Masaya, including public health, sanitation, peace and order, and civil registration. Within the wider province of Laguna, which contains 681 barangays across its component cities and municipalities, Barangay Masaya ranks 148th by 2020 population. Laguna is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Masaya 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.