Barangay Malusak (Pob.)

Situated in Boac, Marinduque, Barangay Malusak (Pob.) is one of 61 barangays that make up the municipality within MIMAROPA Region.

According to the 2020 Philippine census, Barangay Malusak (Pob.) had a population of 292. This made it the 57th largest of 61 barangays in Boac by population, placing it among the smaller barangays of the municipality. Residents of Barangay Malusak (Pob.) accounted for approximately 0.51% of the total population of Boac, which stood at 57,283 in the same census year.

The barangay recorded 293 residents in the 2015 intercensal count and 292 residents in the 2020 Census — a net change of -0.3%, consistent with a broadly stable settlement. Barangay Malusak (Pob.) is officially classified as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

Boac is a municipality comprising 61 barangays, and serves as the governing unit directly responsible for local services in Barangay Malusak (Pob.), including public health, sanitation, peace and order, and civil registration. Within the wider province of Marinduque, which contains 218 barangays across its component cities and municipalities, Barangay Malusak (Pob.) ranks 208th by 2020 population. Marinduque is classified as a 4th by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Like every Philippine barangay, Barangay Malusak (Pob.) 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.