Also known as: Lalawigan ng Marinduque
Marinduque is a province in Region IV-B (MIMAROPA). Population 227K (PSA 2024 census), 0 cities + 6 municipalities, 218 barangays total, land area 952.58 km². Provincial capital: Boac.
Marinduque is a province in Region IV-B (MIMAROPA). Its capital is Boac.
Marinduque had 226,522 residents in the 2024 census (PSA 2024 Census of Population (POPCEN 2024), reference date July 1, 2024). That is the most recent official count. There is no 2026 census result, so any 2026 population figure is an estimate.
Marinduque covers 952.58 km², per the PSA Philippine Statistical Yearbook figure used on this page.
Marinduque has 0 component cities and 6 municipalities (6 LGUs under the province), per PSA's Philippine Standard Geographic Code (2Q 2026), and 218 barangays.
Marinduque has no component cities. Its 6 municipalities are Boac, Buenavista, Gasan, Mogpog, Santa Cruz and Torrijos.
Marinduque is nicknamed the 'Heart of the Philippines' for its heart-shaped island outline and its position as the historical geographic center of the archipelago under the Luzon Datum of 1911. The province has zero chartered cities across its 6 municipalities.
Key industries: Agriculture (coconut, rice), Fishing, Tourism (Moriones Festival)
Its most significant land-use and environmental governance event was the March 24, 1996 Marcopper mining disaster: a concrete plug sealing a drainage tunnel beneath a depleted open pit fractured, releasing over 1.6 million cubic meters of mine tailings along 27 kilometers of the Makulapnit-Boac river system, displacing 400 families and forcing evacuation of 20 barangays. The Boac River was declared biologically dead, and the Department of Health declared a renewed health emergency over lingering contamination as recently as 2016; a $100 million lawsuit the province filed against Placer Dome Inc. in 2005 was inherited by Barrick Gold after its 2006 acquisition, with no comprehensive cleanup completed as of the most recent reporting. This 1996 river disaster is distinct from two other, separate Marcopper-related incidents: chronic Calancan Bay tailings dumping (1975-1988) and a December 1993 dam collapse in Mogpog.
Key industries: Agriculture (coconut, rice), Fishing, Tourism (Moriones Festival)
More on the regulatory framework: CLUP explainer · RA 7160 explainer · SGLG explainer · full glossary. Working a CLUP review cycle? Run the CLUP readiness self-check or see CLUP compliance monitoring.
A province still living with the multi-decade environmental and legal aftermath of one of the Philippines' most significant mining disasters is a clear, high-stakes example of the long-horizon environmental governance a live cross-LGU dashboard is built to help a PPDO track.
Three decades after the Marcopper disaster, Marinduque's PPDO is still managing its environmental and land-use aftermath. A Nova Gov pilot brings that alongside CLUP and SGLG status into one view across all 6 municipalities.
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