Abra de Ilog

Abra de Ilog, officially the Municipality of Abra de Ilog (Tagalog: Bayan ng Abra de Ilog), is a municipality in the province of Occidental Mindoro , Philippines. According to the 2020 census, it has a population of 35,176 people.^[5]

Abra de Ilog
Municipality
Municipality of Abra de Ilog
Port of Abra de Ilog
Flag Seal
Nickname:  The Iraya Heartland
Map of Occidental Mindoro with Abra de Ilog highlighted
OpenStreetMap
Abra de Ilog Location within the Philippines
Coordinates: 13°26′41″N 120°43′34″E
Country	Philippines
Region	Mimaropa
Province	Occidental Mindoro
District	Lone district
Founded	1902
Annexation to Mamburao	January 4, 1905
Reestablished	1910
Barangays	10 (see Barangays)
Government  [1]
• Type	Sangguniang Bayan
• Mayor	Meg Constantino
• Vice Mayor	Orlando R. Quito
• Representative	Leody Tarriela
• Municipal Council	Members Maybelle V. Ramos Jasper Brian B. Subol Romeo L. Bacay Arleen A. Montenegro Romulo A. Gutierrez Jr. Diomedes I. Zoleta Jr. Reynaldo T. Belen Patria Unika P. Almajo
• Electorate	20,914 voters (2025)
Area [2]
• Total	533.70 km2 (206.06 sq mi)
Elevation	330 m (1,080 ft)
Highest elevation	1,771 m (5,810 ft)
Lowest elevation	0 m (0 ft)
Population  (2024 census)[3]
• Total	31,910
• Density	60/km2 (150/sq mi)
• Households	8,334
Economy
• Income class	2nd municipal income class
• Poverty incidence	37.28 % (2021)[4]
• Revenue	₱ 307.5 million (2022)
• Assets	₱ 626.1 million (2022)
• Expenditure	₱ 239.6 million (2022)
• Liabilities	₱ 99.05 million (2022)
Service provider
• Electricity	Occidental Mindoro Electric Cooperative (OMECO)
Time zone	UTC+8 (PST)
ZIP code	5108
PSGC	1705101000
IDD : area code	+63 (0)43
Native languages	Iraya Tagalog

Abra de Ilog is classified as partially urban. It is 32 kilometers (20 mi) from Mamburao.

History

Abra de Ilog was formerly a small settlement founded by Spanish religious missionaries sometime in the early part of the 17th century. According to folk history, its former name was Abre de Ilog. The name was derived from the Spanish verb abrir (to open) and the Tagalog noun ilog (river). Later on, the name evolved into its present name: Abra de Ilog, a Chabacano-like terminology which can be loosely translated as bucana ng ilog, or "opening of the river." This can be attributed to the numerous rivers and creeks that traverses strategic areas of the municipality.

In 1902, during the American Occupation the town was officially organized. Abra de Ilog's first "municipal president" was Rosaleo Miciano. But with the passage of Republic Act No. 1280 on January 4, 1905, Abra de Ilog was made a barrio of the municipality of Mamburao.

In 1910, Abra de Ilog regained its status as a municipality. On June 13, 1950, the government approved Republic Act No. 505 dividing Mindoro into two new provinces: Oriental Mindoro and Occidental Mindoro. Abra de Ilog was included as part of Occidental Mindoro.

Geography

Barangays

Abra de Ilog is politically subdivided into 10 barangays. Each barangay consists of puroks and some have sitios.

The newest barangay, Santa Maria was created in 2014 from Wawa.

• Armado (San Julian)
• Balao (San Felife)
• Cabacao (Santissima Trinidad)
• Lumangbayan (Kabayan)
• Poblacion
• San Vicente
• Santa Maria
• Tibag (Saint Amber)
• Udalo (Camurong)
• Wawa (San Benito)

Climate

Climate data for Abra de Ilog, Occidental Mindoro
Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Mean daily maximum °C (°F)	28 (82)	29 (84)	30 (86)	31 (88)	31 (88)	30 (86)	29 (84)	29 (84)	29 (84)	29 (84)	29 (84)	28 (82)	29 (85)
Mean daily minimum °C (°F)	22 (72)	21 (70)	22 (72)	23 (73)	25 (77)	25 (77)	25 (77)	25 (77)	25 (77)	24 (75)	23 (73)	22 (72)	24 (74)
Average precipitation mm (inches)	48 (1.9)	32 (1.3)	41 (1.6)	54 (2.1)	257 (10.1)	410 (16.1)	466 (18.3)	422 (16.6)	429 (16.9)	300 (11.8)	137 (5.4)	92 (3.6)	2,688 (105.7)
Average rainy days	10.8	8.0	9.8	11.7	23.1	27.5	29.2	28.7	28.7	25.5	18.2	12.8	234
Source: Meteoblue[6]

Demographics

Population census of Abra de Ilog

Year	Pop.	±% p.a.
1903	872	—
1918	2,117	+6.09%
1939	3,986	+3.06%
1948	4,504	+1.37%
1960	5,346	+1.44%
1970	7,356	+3.24%
1975	10,810	+8.03%
1980	12,917	+3.62%
1990	13,609	+0.52%
1995	15,253	+2.16%
2000	22,212	+8.39%
2007	25,152	+1.73%
2010	29,225	+5.61%
2015	31,306	+1.32%
2020	35,176	+2.48%
2024	31,910	−2.31%
Source: Philippine Statistics Authority[7][8][9][10][11]

Economy

Poverty incidence of Abra de Ilog

10 20 30 40 50 60 70 2000 67.84 2003 53.78 2006 54.80 2009 37.45 2012 32.29 2015 34.76 2018 20.46 2021 37.28 Source: Philippine Statistics Authority[12][13][14][15][16][17][18][19]