Castillejos, officially the Municipality of Castillejos, is a 3rd class municipality in the province of Zambales, Philippines. According to the 2020 census, it has a population of 67,889 people.

History

Castillejos was established in 1743 by Tagalog settler families who migrated from Bataan. A strong magnitude 6.1 earthquake occurred on 5:11pm (UTC+08:00), April 22, 2019, according to PHIVOLCS.

Geography

Castillejos is located between San Antonio, Subic and San Marcelino. It is 57 km from Iba, 21 km from Olongapo, and 147 km from Manila.

Barangays

Castillejos is politically subdivided into 14 barangays. Each barangay consists of puroks and some have sitios.

Climate

Demographics

In the 2020 census, the population of Castillejos was 67,889 people, with a density of undefined PD/km2.

Economy

Education

College/University: