Barangay Aninuan

Barangay Aninuan forms part of Puerto Galera, a municipality in Oriental Mindoro, and is classified as a mid-sized barangay.

According to the 2020 Philippine census, Barangay Aninuan had a population of 3,199. This made it the 7th largest of 13 barangays in Puerto Galera by population, placing it in the middle tier of the municipality. Residents of Barangay Aninuan accounted for approximately 7.62% of the total population of Puerto Galera, which stood at 41,961 in the same census year.

Between the 2015 and 2020 censuses, the population of Barangay Aninuan changed from 3,413 to 3,199, a shift of -6.3% over the five-year period. This places the barangay among those with contracting populations in Puerto Galera. Barangay Aninuan is officially classified as urban, reflecting the density and built-up character of the area.

Puerto Galera is a municipality comprising 13 barangays, and serves as the governing unit directly responsible for local services in Barangay Aninuan, including public health, sanitation, peace and order, and civil registration. Within the wider province of Oriental Mindoro, which contains 426 barangays across its component cities and municipalities, Barangay Aninuan ranks 75th by 2020 population. Oriental Mindoro 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.