Also known as: Lalawigan ng Nueva Vizcaya
Nueva Vizcaya is a province in Region II (Cagayan Valley). Population 530K (PSA 2024 census), 0 cities + 15 municipalities, 275 barangays total, land area 4,813.88 km². Provincial capital: Bayombong.
Nueva Vizcaya is a province in Region II (Cagayan Valley). Its capital is Bayombong.
Nueva Vizcaya had 530,106 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.
Nueva Vizcaya covers 4,813.88 km², per the PSA Philippine Statistical Yearbook figure used on this page.
Nueva Vizcaya has 0 component cities and 15 municipalities (15 LGUs under the province), per PSA's Philippine Standard Geographic Code (2Q 2026), and 275 barangays.
Nueva Vizcaya has no component cities. Its 15 municipalities are Alfonso Castaneda, Ambaguio, Aritao, Bagabag, Bambang, Bayombong, Diadi, Dupax Del Norte, Dupax Del Sur, Kasibu, Kayapa, Quezon, Santa Fe, Solano and Villaverde.
Nueva Vizcaya predates the Philippine Republic: it was created as a separate politico-military province by an 1839 order of Governor-General Luis Lardizabal, confirmed by Spanish royal decree in 1841. Its original inhabitants include the Ayangan, Kalanguya, Isinai, Gaddang, Bugkalot (Ilongot), and Iwak peoples — the Ifugao, often assumed original to the area, are documented as a later migrant group arriving in the 1850s-1930s wave.
Key industries: Gold and copper mining (Didipio Mine, Kasibu), Ginger (official 'Ginger Capital of the Philippines,' DA AO No. 8, s. 2025), Citrus (regional producer; Kasibu specifically branded 'citrus capital of Luzon'), Rice and corn
Roughly three-quarters of the province is classified as protection land, with the Magat watershed alone covering nearly 250,000 hectares and feeding the Magat Dam downstream — a major planning constraint layered on top of the province's most consequential land-use story: the Didipio gold-copper mine in Kasibu, operated by OceanaGold. After the mine's original agreement expired in 2019, affected residents erected barricades at both site entrances for months before a police dispersal in April 2020; OceanaGold has since continued operating and is now considering extending the mine's life to 2037. On the disaster side, the 1990 magnitude-7.8 Luzon earthquake ruptured the Philippine Fault directly through Kayapa municipality, followed shortly after by rainfall-triggered landslides during Typhoon Abe.
Key industries: Gold and copper mining (Didipio Mine, Kasibu), Ginger (official 'Ginger Capital of the Philippines,' DA AO No. 8, s. 2025), Citrus (regional producer; Kasibu specifically branded 'citrus capital of Luzon'), Rice and corn
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