Diadi

Diadi
Municipality of Diadi
Municipal hall
Map of Nueva Vizcaya with Diadi highlighted
Interactive map of Diadi
Diadi
Location within the Philippines
Coordinates: 16°39′36″N 121°22′07″E / 16.66°N 121.3686°E / 16.66; 121.3686
CountryPhilippines
RegionCagayan Valley
ProvinceNueva Vizcaya
District Lone district
FoundedJune 17, 1967
Barangays19 (see Barangays)
Government
 • TypeSangguniang Bayan
 • MayorSandy M. Gayaton
 • Vice MayorRolito Dulnuan
 • RepresentativeTimothy Joseph Cayton (Aksyon)
 • Electorate12,121 voters (2025)
Area
 • Total
181.20 km2 (69.96 sq mi)
Elevation
320 m (1,050 ft)
Highest elevation
803 m (2,635 ft)
Lowest elevation
169 m (554 ft)
Population
 (2024 census)
 • Total
20,438
 • Density112.79/km2 (292.13/sq mi)
 • Households
4,911
Economy
 • Income class4th municipal income class
 • Poverty incidence
12.97
% (2021)
 • Revenue₱ 162 million (2022)
 • Assets₱ 186.7 million (2022)
 • Expenditure₱ 121.8 million (2022)
 • Liabilities₱ 49.72 million (2022)
Service provider
 • ElectricityNueva Vizcaya Electric Cooperative (NUVELCO)
Time zoneUTC+8 (PST)
ZIP code
3712
PSGC
IDD:area code+63 (0)78
Native languagesGaddang
Ilocano
Bugkalot
Tagalog
Websitewww.diadi-nvizcaya.gov.ph

Diadi, officially the Municipality of Diadi (Gaddang: Ili na Diadi; Ilocano: Ili ti Diadi; Tagalog: Bayan ng Diadi), is a municipality in the province of Nueva Vizcaya, Philippines. According to the 2024 census, it has a population of 20,438 people.