Castillejos

For the town in Morocco with the same Spanish name, see Fnideq.

Castillejos, officially the Municipality of Castillejos (Ilocano: Ili ti Castillejos; Tagalog: Bayan ng Castillejos), is a municipality in the province of Zambales, Philippines. According to the 2020 census, it has a population of 67,889 people.^[4]

Castillejos
Municipality
Municipality of Castillejos
Castillejos Municipal Hall
Flag Seal
Map of Zambales with Castillejos highlighted
OpenStreetMap
Castillejos Location within the Philippines
Coordinates: 14°56′N 120°12′E
Country	Philippines
Region	Central Luzon
Province	Zambales
District	1st district
Founded	1743
Reestablished	January 1, 1910[1]
Barangays	14 (see Barangays)
Government  [2]
• Type	Sangguniang Bayan
• Mayor	Jeffrey D. Khonhun
• Vice Mayor	Christian Esposo
• Representative	Jay Khonghun
• Municipal Council	Members Maria Cecilia F. Rafanan Voltaire Avera Albert R. Tugadi Jorge Ablao Francis Villanueva Oda R. Guevarra Romeo Calimlim Arturo P. Manzano
• Electorate	36,919 voters (2025)
Area [3]
• Total	92.99 km2 (35.90 sq mi)
Elevation	72 m (236 ft)
Population  (2020 census)[4]
• Total	67,889
• Density	730/km2 (1,900/sq mi)
• Households	17,662
Economy
• Income class	3rd municipal income class
• Poverty incidence	17.88 % (2021)[5]
• Revenue	₱ 341.9 million (2022)
• Assets	₱ 803.5 million (2022)
• Expenditure	₱ 244.4 million (2022)
• Liabilities	₱ 96.09 million (2022)
Service provider
• Electricity	Zambales 2 Electric Cooperative (ZAMECO 2)
Time zone	UTC+8 (PST)
ZIP code	2208
PSGC	0307104000
IDD : area code	+63 (0)47
Native languages	Sambal Ilocano Tagalog Ambala Mag-antsi
Website	castillejos.com.ph

History

Historical marker installed in 1955 at the municipal hall

Castillejos was established in 1743 by Tagalog settler families who migrated from Bataan.^[6][7]

A strong magnitude 6.1 earthquake occurred on 5:11pm (UTC+08:00), April 22, 2019, according to PHIVOLCS.^[8]

Geography

Castillejos is located between San Antonio, Subic, and San Marcelino. It is 57 kilometres (35 mi) from Iba, 21 kilometres (13 mi) from Olongapo, and 147 kilometres (91 mi) from Manila.

Barangays

Castillejos is politically subdivided into 14 barangays, as indicated below. ^[9] Each barangay consists of puroks and some have sitios.

• Balaybay
• Buenavista
• Del Pilar
• Looc
• Magsaysay
• Nagbayan
• Nagbunga
• San Agustin
• San Jose (Poblacion)
• San Juan (Poblacion)
• San Nicolas
• San Pablo (Poblacion)
• San Roque
• Santa Maria

Climate

Climate data for Castillejos, Zambales
Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Mean daily maximum °C (°F)	30 (86)	31 (88)	33 (91)	34 (93)	32 (90)	31 (88)	29 (84)	29 (84)	29 (84)	30 (86)	30 (86)	30 (86)	31 (87)
Mean daily minimum °C (°F)	19 (66)	19 (66)	20 (68)	22 (72)	24 (75)	24 (75)	24 (75)	24 (75)	24 (75)	23 (73)	21 (70)	20 (68)	22 (72)
Average precipitation mm (inches)	8 (0.3)	9 (0.4)	15 (0.6)	34 (1.3)	138 (5.4)	203 (8.0)	242 (9.5)	233 (9.2)	201 (7.9)	126 (5.0)	50 (2.0)	21 (0.8)	1,280 (50.4)
Average rainy days	3.7	4.1	6.5	11.2	21.2	24.9	27.7	26.5	25.5	21.8	12.6	5.6	191.3
Source: Meteoblue (Use with caution: this is modeled/calculated data, not measured locally.)[10]

Demographics

Population census of Castillejos

Year	Pop.	±% p.a.
1903	3,068	—
1918	4,491	+2.57%
1939	5,362	+0.85%
1948	7,699	+4.10%
1960	10,049	+2.24%
1970	14,807	+3.95%
1975	17,999	+3.99%
1980	19,154	+1.25%
1990	26,753	+3.40%
1995	28,357	+1.10%
2000	33,108	+3.38%
2007	42,910	+3.64%
2010	48,845	+4.83%
2015	64,841	+5.54%
2020	67,889	+0.91%
Source: Philippine Statistics Authority[11][12][13][14]

In the 2020 census, the population of Castillejos was 67,889 people,^[4] with a density of 730 inhabitants per square kilometre or 1,900 inhabitants per square mile.

Economy

Poverty incidence of Castillejos

5 10 15 20 25 30 2000 24.97 2003 14.23 2006 6.20 2009 12.47 2012 7.75 2015 18.15 2018 7.04 2021 17.88 Source: Philippine Statistics Authority[15][16][17][18][19][20][21][22]

Education

Ramon Magsaysay Ancestral House

Elementary schools

• Precious Child Montessori of Zambales, Inc.
• San Isidro Elementary School
• Aldersgate Learning Center
• Hanniel Christian Academy
• Castillejos Elementary School
• Pres.Ramon F. Magsaysay Elementary School
• San Agustin Elementary School
• Santa Maria Elementary School
• Magsaysay Elementary School
• Del Pilar Elementary School
• Balaybay Elementary School
• Villaflor Elementary School
• Looc Elementary School
• Nagbayan Elementary School
• Hanjin Integrated School

High schools

• Precious Heritage of Zambales, Inc.
• St. Nicholas Academy
• Castillejos National High School
• San Agustin High School
• Castillejos Resettlement High School (formerly Jesus F. Magsaysay High School Annex)
• Jesus F. Magsaysay Tech. Voc. High School
• Hanjin Integrated School

College/University:

• President Ramon Magsaysay State University, College of Governance