Isabela, Negros Occidental

Isabela, officially the Municipality of Isabela, is a 2nd class municipality in the province of Negros Occidental, Philippines. According to the 2015 census, it has a population of 62,146 people.[3]

Municipality of Isabela
Barangay Camangcamang with Mabinay Mountains in the distance
The Sweet Heart of Negros
Map of Negros Occidental with Isabela highlighted
Location within the Philippines
Coordinates: 10°12′N 122°59′E
Country Philippines
RegionWestern Visayas (Region VI)
ProvinceNegros Occidental
District5th district of Negros Occidental
Barangays30 (see Barangays)
  TypeSangguniang Bayan
  MayorIrene C. Montilla
  Vice MayorRenato M. Malabor Jr.
  CongresswomanMa. Lourdes T. Arroyo
  Electorate40,017 voters (2019)
  Total178.76 km2 (69.02 sq mi)
 (2015 census)[3]
  Density350/km2 (900/sq mi)
  Income class2nd municipal income class
  Poverty incidence26.84% (2015)[4]
  Revenue (₱)135,452,509.52 (2016)
Time zoneUTC+8 (PST)
ZIP code
IDD:area code+63(0)34
Climate typetropical climate
Native languagesHiligaynon

Isabela is known for BISCOM (Binalbagan Isabela Sugar Company).

In 1951, the barrios of Magallon, Odiong and Guinpanaan were separated from Isabela and formed into the town of Magallon (now Moises Padilla).[5]


Isabela is politically subdivided into 30 barangays ("Pob." means poblacion).

  • Amin
  • Banogbanog
  • Bulad
  • Bungahin
  • Cabcab
  • Camangcamang
  • Camp Clark
  • Cansalongon
  • Guintubhan
  • Libas
  • Limalima
  • Makilignit
  • Mansablay
  • Maytubig
  • Panaquiao
  • Barangay 1 (Poblacion)
  • Barangay 2 (Poblacion)
  • Barangay 3 (Poblacion)
  • Barangay 4 (Poblacion)
  • Barangay 5 (Poblacion)
  • Barangay 6 (Poblacion)
  • Barangay 7 (Poblacion)
  • Barangay 8 (Poblacion)
  • Barangay 9 (Poblacion)
  • Riverside
  • Rumirang
  • San Agustin
  • Sebucawan
  • Sikatuna
  • Tinongan


Population census of Isabela
YearPop.±% p.a.
1903 12,836    
1918 19,653+2.88%
1939 43,509+3.86%
1948 33,743−2.78%
1960 29,769−1.04%
1970 33,636+1.23%
1975 37,400+2.15%
1980 39,704+1.20%
1990 47,010+1.70%
1995 49,019+0.79%
2000 48,719−0.13%
2007 58,819+2.63%
2010 59,523+0.43%
2015 62,146+0.82%
Source: Philippine Statistics Authority[3][6][7][8]


"Tigkalalag" is celebrated on the evening of Nov. 2 every year in the town of Isabela.[9] The Pana-ad victory of Tigkalalag festival is expected to boost the attraction of this unique festival that began in Purok Manacup beside the public cemetery in Isabela town where people would have fun during the night of All Souls Day that was capped with a beauty pageant called Search for the White Lady. It spun off into the municipal festival under Mayor Renato Malabor, when the town was searching for a festival that was going to be its tourism plank.

Tigkalalag festival of Isabela turned what otherwise are morbid concepts of coffins, candelabras and crashing tombs into a whimsical, tightly-designed, skillfully-choreographed presentation that sent it howling to success in yearly competition of all the festivals of Negros Occidental. Tigkalalag is Hiligaynon for All Souls' Day.


  1. "Municipality". Quezon City, Philippines: Department of the Interior and Local Government. Retrieved 31 May 2013.
  2. "Province:". PSGC Interactive. Quezon City, Philippines: Philippine Statistics Authority. Retrieved 12 November 2016.
  3. Census of Population (2015). "Region VI (Western Visayas)". Total Population by Province, City, Municipality and Barangay. PSA. Retrieved 20 June 2016.
  4. "PSA releases the 2015 Municipal and City Level Poverty Estimates". Quezon City, Philippines. Retrieved 12 October 2019.
  5. "An act creating the municipality of Magallon in the province of Negros Occidental". Retrieved 2011-04-09.
  6. Census of Population and Housing (2010). "Region VI (Western Visayas)". Total Population by Province, City, Municipality and Barangay. NSO. Retrieved 29 June 2016.
  7. Censuses of Population (1903–2007). "Region VI (Western Visayas)". Table 1. Population Enumerated in Various Censuses by Province/Highly Urbanized City: 1903 to 2007. NSO.
  8. "Province of". Municipality Population Data. Local Water Utilities Administration Research Division. Retrieved 17 December 2016.
  9. "Municipality of Isabela". Negros Occidental Provincial Government. Retrieved 6 March 2013.
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