Barangay I (Pob.)

Barangay I (Pob.) 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 I (Pob.) had a population of 891. This made it the 26th largest of 81 barangays in Calauag by population, placing it in the middle tier of the municipality. Residents of Barangay I (Pob.) accounted for approximately 1.24% of the total population of Calauag, which stood at 71,809 in the same census year.

Census comparisons between 2015 and 2020 show Barangay I (Pob.) moving from 955 residents to 891 residents, an intercensal change of -6.7%. The trajectory indicates a contracting community. The Philippine Statistics Authority classifies Barangay I (Pob.) 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 I (Pob.), 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 I (Pob.) ranks 658th 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.

Barangay I (Pob.) 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.