Barangay Lewin

Situated in Lumban, Laguna, Barangay Lewin is one of 16 barangays that make up the municipality within CALABARZON.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Lewin had a population of 2,391. This made it the 5th largest of 16 barangays in Lumban by population, placing it in the upper half of the municipality. Residents of Barangay Lewin accounted for approximately 7.40% of the total population of Lumban, which stood at 32,330 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Lewin moving from 2,125 residents to 2,391 residents, an intercensal change of +12.5%. The trajectory indicates a growing community. The Philippine Statistics Authority classifies Barangay Lewin as urban, reflecting the density and built-up character of the area.

Lumban is a municipality comprising 16 barangays, and serves as the governing unit directly responsible for local services in Barangay Lewin, 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 Lewin ranks 327th 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.

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.