Barangay Maramba

Barangay Maramba forms part of Oas, a municipality in Albay, and is classified as a mid-sized barangay.

According to the 2020 Philippine census, Barangay Maramba had a population of 2,935. This made it the 3rd largest of 53 barangays in Oas by population, placing it among the most populous barangays of the municipality. Residents of Barangay Maramba accounted for approximately 4.44% of the total population of Oas, which stood at 66,084 in the same census year.

Census comparisons between 2015 and 2020 show Barangay Maramba moving from 3,301 residents to 2,935 residents, an intercensal change of -11.1%. The trajectory indicates a contracting community. Barangay Maramba is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Oas is a municipality comprising 53 barangays, and serves as the governing unit directly responsible for local services in Barangay Maramba, including public health, sanitation, peace and order, and civil registration. Within the wider province of Albay, which contains 720 barangays across its component cities and municipalities, Barangay Maramba ranks 131st by 2020 population. Albay 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 Maramba 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.