Diadi

Diadi, officially the Municipality of Diadi (Gaddang: Ili na Diadi; Ilocano: Ili ti Diadi; Tagalog: Bayan ng Diadi), is a 4th class municipality in the province of Nueva Vizcaya, Philippines. According to the 2020 census, it has a population of 19,236 people.[3]

Diadi
Municipality
Municipality of Diadi
Municipal hall
Municipal hall
Flag of Diadi
Flag
Official seal of Diadi
Seal
Map of Nueva Vizcaya with Diadi highlighted
Map of Nueva Vizcaya with Diadi highlighted
OpenStreetMap
Diadi is located in Philippines
Diadi
Diadi
Location within the Philippines
Coordinates: 16°39′36″N 121°22′07″E
CountryPhilippines
RegionCagayan Valley
ProvinceNueva Vizcaya
District Lone district
FoundedJune 17, 1967
Barangays19 (see Barangays)
Government
 [1]
 • TypeSangguniang Bayan
 • MayorSandy M. Gayaton
 • Vice MayorRolito Dulnuan
 • RepresentativeLuisa L. Cuaresma
 • Electorate11,517 voters (2022)
Area
[2]
 • Total181.20 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
 (2020 census)[3]
 • Total19,236
 • Density110/km2 (270/sq mi)
 • Households
4,911
Economy
 • Income class4th municipal income class
 • Poverty incidence
14.33
% (2018)[4]
 • Revenue₱ 120 million (2020)
 • Assets₱ 133.2 million (2020)
 • Expenditure₱ 93.5 million (2020)
 • Liabilities₱ 40.22 million (2020)
Service provider
 • ElectricityNueva Vizcaya Electric Cooperative (NUVELCO)
Time zoneUTC+8 (PST)
ZIP code
3712
PSGC
025006000
IDD : area code +63 (0)78
Native languagesGaddang
Ilocano
Bugkalot
Tagalog
Websitewww.diadi-nvizcaya.gov.ph

Diadi is 39 kilometres (24 mi) from Bayombong and 304 kilometres (189 mi) from Manila.

History

Diadi was formerly a barangay of Bagabag named Picat. It was originally founded by the Spaniardsin the 18th century at the summit of Mount Namamparang, before being moved into the bottom of the same mountain. The settlement served as a garrison and rest stop along the mountain road between Isabela and Nueva Vizcaya, which was frequently plagued by pagan headhunters, and a resettlement site for christianized Ifugaos and Ilongots.[5]

House Bill No. 182, titled "An Act Creating the Municipal District of Diadi in the Province of Nueva Vizcaya," was introduced by Congressman Leonardo B. Perez on February 28, 1966. It was subsequently approved by the Committee on Provincial and Municipal Governments in Committee Report No. 54. Later, in May 1967, Senator John Osmeña issued Committee Report 1053 recommending passage of the Bill. On 17 June 1967, R.A. 4973 was approved by both chambers of Congress, thus creating the Municipality of Diadi.[6]

Geography

Barangays

Diadi is politically subdivided into 19 barangays. Each barangay consists of puroks and some have sitios.

  • Ampakleng
  • Arwas
  • Balete
  • Bugnay
  • Butao
  • Decabacan
  • Duruarog
  • Escoting
  • Langka
  • Lurad
  • Nagsabaran
  • Namamparan
  • Pinya
  • Poblacion
  • Rosario
  • San Luis (boundary of Cordon, Isabela)
  • San Pablo
  • Villa Aurora
  • Villa Florentino

Climate
Climate data for Diadi, Nueva Vizcaya
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Average high °C (°F) 24
(75)		 25
(77)		 28
(82)		 31
(88)		 31
(88)		 30
(86)		 29
(84)		 29
(84)		 29
(84)		 28
(82)		 26
(79)		 24
(75)		 28
(82)
Average low °C (°F) 18
(64)		 19
(66)		 20
(68)		 22
(72)		 23
(73)		 23
(73)		 23
(73)		 23
(73)		 23
(73)		 22
(72)		 21
(70)		 20
(68)		 21
(70)
Average precipitation mm (inches) 119
(4.7)		 83
(3.3)		 54
(2.1)		 37
(1.5)		 133
(5.2)		 132
(5.2)		 161
(6.3)		 163
(6.4)		 153
(6.0)		 142
(5.6)		 160
(6.3)		 224
(8.8)		 1,561
(61.4)
Average rainy days 18.4 13.6 11.6 9.4 19.3 21.9 23.9 23.4 21.1 16.3 18.1 21.4 218.4
Source: Meteoblue[7]

Demographics
Population census of Diadi
YearPop.±% p.a.
1970 4,407—    
1975 6,649+8.60%
1980 8,605+5.29%
1990 11,351+2.81%
1995 12,469+1.78%
2000 14,374+3.09%
2007 15,567+1.11%
2010 16,484+2.10%
2015 18,122+1.82%
2020 19,236+1.18%
Source: Philippine Statistics Authority[8][9][10][11]

Economy
Poverty Incidence of Diadi
Source: Philippine Statistics Authority[12][13]
[14][15][16][17][18]

Tilapia industry

On January 11, 2008, the Cagayan Bureau of Fisheries and Aquatic Resources (BFAR) stated that tilapia production grew and Cagayan Valley is now the Philippines’ tilapia capital. Production supply grew 37.25% since 2003, with 14,000 metric tons (MT) in 2007. The recent aquaculture congress found that the growth of tilapia production was due to government interventions: provision of fast-growing species, accreditation of private hatcheries to ensure supply of quality fingerlings, establishment of demonstration farms, providing free fingerlings to newly constructed fishponds, and the dissemination of tilapia to Nueva Vizcaya (in Diadi town). Former cycling champion Lupo Alava is a multi-awarded tilapia raiser in Bagabag, Nueva Vizcaya. Chairman Thompson Lantion of the Land Transportation Franchising and Regulatory Board, a retired two-star police general, has fishponds in La Torre, Bayombong, Nueva Vizcaya. Also, Nueva Vizcaya Gov. Luisa Lloren Cuaresma also entered into similar aquaculture endeavors in addition to tilapia production.[19]

Government

Local government
Main article: Sangguniang Bayan
Downtown area

Diadi, belonging to the lone congressional district of the province of Nueva Vizcaya, is governed by a mayor designated as its local chief executive and by a municipal council as its legislative body in accordance with the Local Government Code. The mayor, vice mayor, and the councilors are elected directly by the people through an election which is being held every three years.

Elected officials
Members of the Municipal Council
(2019–2022)[20]
Position Name
Governor Jose V. Gambito
Mayor Sandy M. Gayaton
Vice-Mayor Norma U. Miguel
Councilors Rhodora F. Bilog
Froilan T. Madume
Rommel F. Cariño
Elena G. Llantada
Jojo M. Cabezon
Salvacion N. Gile
Marvic S. Padilla
Alanvin D. Tacadena

Education

The Schools Division of Nueva Vizcaya governs the town's public education system. The division office is a field office of the DepEd in Cagayan Valley region.[21] The office governs the public and private elementary and public and private high schools throughout the municipality.

References
  1.  Municipality of Diadi | (DILG)
  2. "2015 Census of Population, Report No. 3 – Population, Land Area, and Population Density" (PDF). Philippine Statistics Authority. Quezon City, Philippines. August 2016. ISSN 0117-1453. Archived (PDF) from the original on May 25, 2021. Retrieved July 16, 2021.
  3. Census of Population (2020). "Region II (Cagayan Valley)". Total Population by Province, City, Municipality and Barangay. Philippine Statistics Authority. Retrieved 8 July 2021.
  4. "PSA Releases the 2018 Municipal and City Level Poverty Estimates". Philippine Statistics Authority. 15 December 2021. Retrieved 22 January 2022.
  5. Salgado, Pedro. "Various Towns of Nueva Vizcaya". Cagayan Valley and Easter Cordillera: 1581-1898, Volume II. Rex Publishing. pp. 884–887.
  6. "An Act Creating the Municipal District of Diadi in the Province of Nueva Vizcaya". LawPhil.net. Retrieved 2021-01-12.
  7. "Diadi: Average Temperatures and Rainfall". Meteoblue. Retrieved 4 July 2021.
  8. Census of Population (2015). "Region II (Cagayan Valley)". Total Population by Province, City, Municipality and Barangay. Philippine Statistics Authority. Retrieved 20 June 2016.
  9. Census of Population and Housing (2010). "Region II (Cagayan Valley)" (PDF). Total Population by Province, City, Municipality and Barangay. National Statistics Office. Retrieved 29 June 2016.
  10. Censuses of Population (1903–2007). "Region II (Cagayan Valley)". Table 1. Population Enumerated in Various Censuses by Province/Highly Urbanized City: 1903 to 2007. National Statistics Office.
  11. "Province of Nueva Vizcaya". Municipality Population Data. Local Water Utilities Administration Research Division. Retrieved 17 December 2016.
  12. "Poverty incidence (PI):". Philippine Statistics Authority. Retrieved December 28, 2020.
  13. "Estimation of Local Poverty in the Philippines" (PDF). Philippine Statistics Authority. 29 November 2005.
  14. "2003 City and Municipal Level Poverty Estimates" (PDF). Philippine Statistics Authority. 23 March 2009.
  15. "City and Municipal Level Poverty Estimates; 2006 and 2009" (PDF). Philippine Statistics Authority. 3 August 2012.
  16. "2012 Municipal and City Level Poverty Estimates" (PDF). Philippine Statistics Authority. 31 May 2016.
  17. "Municipal and City Level Small Area Poverty Estimates; 2009, 2012 and 2015". Philippine Statistics Authority. 10 July 2019.
  18. "PSA Releases the 2018 Municipal and City Level Poverty Estimates". Philippine Statistics Authority. 15 December 2021. Retrieved 22 January 2022.
  19. Abs-Cbn Interactive, Cagayan Valley country’s tilapia capital
  20. "2019 National and Local Elections" (PDF). Commission on Elections. Retrieved March 10, 2022.
  21. "DEPED REGIONAL OFFICE NO. 02". DepED RO2 | The official website of DepED Regional Office No. 02.

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