Barangay Sisirin

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

According to the 2020 Philippine census, Barangay Sisirin had a population of 735. This made it the 12th largest of 39 barangays in Pitogo by population, placing it in the upper half of the municipality. Residents of Barangay Sisirin accounted for approximately 3.22% of the total population of Pitogo, which stood at 22,798 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Sisirin moving from 788 residents to 735 residents, an intercensal change of -6.7%. The trajectory indicates a contracting community. Barangay Sisirin is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Pitogo is a municipality comprising 39 barangays, and serves as the governing unit directly responsible for local services in Barangay Sisirin, 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 Sisirin ranks 767th 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 Sisirin 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.