Barangay Sumilang

Barangay Sumilang forms part of Calauag, a municipality in Quezon, and is classified as a small barangay.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Sumilang had a population of 1,846. This made it the 7th largest of 81 barangays in Calauag by population, placing it among the most populous barangays of the municipality. Residents of Barangay Sumilang accounted for approximately 2.57% of the total population of Calauag, which stood at 71,809 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Sumilang moving from 1,385 residents to 1,846 residents, an intercensal change of +33.3%. The trajectory indicates a growing community. The Philippine Statistics Authority classifies Barangay Sumilang as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Calauag is a municipality comprising 81 barangays, and serves as the governing unit directly responsible for local services in Barangay Sumilang, including public health, sanitation, peace and order, and civil registration. Within the wider province of Quezon, which contains 1,242 barangays across its component cities and municipalities, Barangay Sumilang ranks 344th by 2020 population. Quezon 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 Sumilang 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.