San Mariano, Isabela

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San Mariano
Aerial view of San Mariano, with Benito Soliven in the foreground
Aerial view of San Mariano, with Benito Soliven in the foreground
Official seal of San Mariano
Nickname(s): Rice Bowl of Luzon
Map of Isabela showing the location of San Mariano
Map of Isabela showing the location of San Mariano
San Mariano is located in Philippines
San Mariano
San Mariano
Location within the Philippines
Coordinates: 16°59′N 122°01′E / 16.983°N 122.017°E / 16.983; 122.017Coordinates: 16°59′N 122°01′E / 16.983°N 122.017°E / 16.983; 122.017
Country Philippines
Region Cagayan Valley (Region II)
Province Isabela
District 2nd District of Isabela
Founded 1954
Barangays 36
 • Mayor Dean Anthony G. Domalanta
 • Total 1,469.50 km2 (567.38 sq mi)
Population (2010)[3]
 • Total 51,438
 • Density 35/km2 (91/sq mi)
Time zone PST (UTC+8)
ZIP code 3332
Dialing code 78
Income class 1st class; partly urban

San Mariano is a first class municipality in the province of Isabela, Philippines. According to the 2010 census, it has a population of 51,438 people.[3]

San Mariano has a total land area of 146,950 hectares (363,100 acres).[2] It constitutes 13.78 percent of the total land area of the Province, and is the province's largest and the country's third largest municipality.

The municipality lies in the eastern part of the Province of Isabela. It is bounded on the north by the Ilagan City, on the east by the Municipality of Palanan, on the south by the Municipality of San Guillermo and on the west by the Municipality of Benito Soliven. It is approximately 404 kilometres (251 mi) from Metro Manila and 46 kilometres (29 mi) from Ilagan City, the provincial capital.


San Mariano is politically subdivided into 36 barangays.[2]

  • Alibadabad
  • Balagan
  • Binatug
  • Bitabian
  • Buyasan
  • Cadsalan
  • Casala
  • Cataguing
  • Daragutan East
  • Daragutan West
  • Del Pilar
  • Dibuluan
  • Dicamay
  • Dipusu
  • Disulap
  • Disusuan
  • Gangalan
  • Ibujan
  • Libertad
  • Macayucayu
  • Mallabo
  • Marannao
  • Minanga
  • Old San Mariano
  • Palutan
  • Panninan
  • Zone I (Pob.)
  • Zone II (Pob.)
  • Zone III (Pob.)
  • San Jose
  • San Pablo
  • San Pedro
  • Santa Filomena
  • Tappa
  • Ueg
  • Zamora


Legend has it that San Mariano was once a barrio of Ilagan, the capital city of the province of Isabela. It was first named as Angela in reference to Mariano Kalingog whose family was one of the foremost settlers of the place. Angela was drowned while she was washing clothes along the Pinacanauan River. The incident brought grief to the people and her husband Mariano who also died some years later. Since then, this village teeming with fish and lush trees was known as San Mariano.

In 1920, by virtue of Executive Order 25, San Mariano became a Municipal District and with the passage of Philippines Legislature Act No. 3416 dated December 7, 1927, it was made a distinct and regular municipality.

After some years, there was an influx of migrants coming from the provinces of Ilocos, Cagayan and Pangasinan. These new settlers formed communities in tracks of agricultural lands on which they grew corn and other crops such as rice, root crops, different kinds of vegetables and bananas.

Cultural history[edit]

Records also show that when a German naturalist named Carl Semper hiked the Sierra Madre mountains in May 1860, he observed early inhabitants who are known today as the Kalingas. He described the said group as a typical Filipino “cultural minority” who grew their own food, practiced their own religious rites, smithed their own tools, decorated their own artifacts with distinctive designs and traded forest products for metal and salt.

On the pacific side of the mountains, Semper saw the “Negritos” and concluded that they were new arrivals because he observed no “Kalinga-Negrito” mestizos among them. They inhabited the forest close to the “Kalinga” settlements and showed up with games in seasonal periods to barter for agricultural products. Years later, some sociologists noted that there were inter-marriages entered into between these tribes.

These natives, however, were out-numbered by the mestizos or the “Ibanag-Kalinga,” the pure Ibanags and Ilocanos with a ratio of about four to one. These settlers tilled permanent farms at a place which is now known as Barangays Disulap and Minanga.

There was also an influx of several groups from the Bicol and Tagalog regions during the logging concession boom. The continuing acculturation of these groups brought about social changes in the locality. The once verdant forest slowly became barren and denuded with the ceaseless illegal logging and kaingin system employed by the local people and new migrants. When the national government decided to impose a total log ban, the ethnic groups decided to settle in the remote areas of the municipality to farm their lands. The Bicolanos and Tagalogs, on the other hand, went back to their own regions.


Population census of San Mariano
Year Pop. ±% p.a.
1990 36,295 —    
1995 37,861 +0.79%
2000 41,309 +1.89%
2007 44,718 +1.10%
2010 51,438 +5.23%
Source: National Statistics Office[3]


Climate data for San Mariano, Isabela
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Average high °C (°F) 29
Average low °C (°F) 19
Average precipitation mm (inches) 31.2
Average rainy days 10 6 5 5 13 12 15 15 15 17 16 15 144
Source: World Weather Online[4]

List of former mayors[edit]

Leaders of Town Date
Ferando Ampa 1924 - 1927
Placido Buensuceso 1927 - 1931
Eulogio Alejo 1931 - 1934
Elias Gabriel 1934 - 1945
Jose Miranda 1945 - 1947
Felicisimo Baua 1947 - 1963
Emilio Bueno 1964 - 1967
Jose Miranda 1967 - 1976
Carlos Dumelod 1976 to 1980
Deodoro Go 1980
Carlos Dumelod December 1980 - 1986
Aristotle Claravall 1986 - 1987
Romulo S. Taggueg Jr. 1987 - 1988
Deodoro Go 1988 - 1995
Jesus C Miranda 1995 - 2004
Edgar T. Go 2004 - 2013
Dean Anthony Domalanta 2013 -2016

Existing general and urban land uses[edit]

Of the total land area of the municipality, built-up area constitutes 1,268 hectares or 0.86 percent with the Poblacion as the largest and most densely populated built-up area. Open grasslands occupy a total area of approximately 20,700 hectares representing about 14.09 percent. Generally, the open grasslands are flanked by either agricultural areas or forest areas. Vast forest areas of the municipality are mostly found at its eastern portion, which covers about 53.39 percent or an approximated area of 78,450.50 hectares. About 29,264 hectares or 19.91 percent are presently devoted to extensive agricultural activities with corn, rice and bananas as the major crops. Water bodies, including banks, buffer or salvage zones occupy an estimated 11.58 percent while existing roads and streets cover 2.17 percent of the municipality’s total area.


  1. ^ "Official City/Municipal 2013 Election Results". Intramuros, Manila, Philippines: Commission on Elections (COMELEC). 11 September 2013. Retrieved 9 January 2014. 
  2. ^ a b c "Province: ISABELA". PSGC Interactive. Makati City, Philippines: National Statistical Coordination Board. Retrieved 9 January 2014. 
  3. ^ a b c "Total Population by Province, City, Municipality and Barangay: as of May 1, 2010" (PDF). 2010 Census of Population and Housing. National Statistics Office. Retrieved 9 January 2014. 
  4. ^ "San Mariano, Isabela: Average Temperatures and Rainfall". World Weather Online. Retrieved 3 November 2015. 

External links[edit]