The municipality was named after the tree Phyllanthus acidus, which bears edible sour fruits. It is locally known as iba, a name which also applies to the similar kamias (Averrhoa bilimbi). See more

Iba was founded by the Order of Augustinian Recollect priests led by Rodrigo de San Miguel in 1611 as the village of Paynauen. The early inhabitants of the town are called Zambals. They were later joined … See more

The municipality of Iba is bounded by the municipalities of Botolan to the south, Palauig to the north, the province of Tarlac to the east, and the South China Sea to the west. Like most of the municipalities in the province, Ib… See more

In the 2020 census, the population of Iba, Zambales, was 55,581 people, with a density of 360 inhabitants per square kilometre or 930 inhabitants per square mile.
The popula… See more

Poverty Incidence of Iba
The population of Iba increases during daytime because of traders, market buyers, students, government and private employees flocking into town. There are currently tw… See more