Barangay Anusan

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

According to the 2020 Philippine census, Barangay Anusan had a population of 790. This made it the 37th largest of 46 barangays in Catanauan by population, placing it among the smaller barangays of the municipality. Residents of Barangay Anusan accounted for approximately 1.09% of the total population of Catanauan, which stood at 72,752 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Anusan changed from 810 to 790, a shift of -2.5% over the five-year period. This places the barangay among those with contracting populations in Catanauan. Barangay Anusan is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Catanauan is a municipality comprising 46 barangays, and serves as the governing unit directly responsible for local services in Barangay Anusan, 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 Anusan ranks 727th 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 Anusan 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.